patch_via.c

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/*
 * Universal Interface for Intel High Definition Audio Codec
 *
 * HD audio interface patch for VIA VT17xx/VT18xx/VT20xx codec
 *
 *  (C) 2006-2009 VIA Technology, Inc.
 *  (C) 2006-2008 Takashi Iwai <[email protected]>
 *
 *  This driver is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This driver is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */

/* * * * * * * * * * * * * * Release History * * * * * * * * * * * * * * * * */
/*                                       */
/* 2006-03-03  Lydia Wang  Create the basic patch to support VT1708 codec    */
/* 2006-03-14  Lydia Wang  Modify hard code for some pin widget nid      */
/* 2006-08-02  Lydia Wang  Add support to VT1709 codec               */
/* 2006-09-08  Lydia Wang  Fix internal loopback recording source select bug */
/* 2007-09-12  Lydia Wang  Add EAPD enable during driver initialization      */
/* 2007-09-17  Lydia Wang  Add VT1708B codec support                */
/* 2007-11-14  Lydia Wang  Add VT1708A codec HP and CD pin connect config    */
/* 2008-02-03  Lydia Wang  Fix Rear channels and Back channels inverse issue */
/* 2008-03-06  Lydia Wang  Add VT1702 codec and VT1708S codec support        */
/* 2008-04-09  Lydia Wang  Add mute front speaker when HP plugin         */
/* 2008-04-09  Lydia Wang  Add Independent HP feature                */
/* 2008-05-28  Lydia Wang  Add second S/PDIF Out support for VT1702      */
/* 2008-09-15  Logan Li    Add VT1708S Mic Boost workaround/backdoor         */
/* 2009-02-16  Logan Li    Add support for VT1718S               */
/* 2009-03-13  Logan Li    Add support for VT1716S               */
/* 2009-04-14  Lydai Wang  Add support for VT1828S and VT2020            */
/* 2009-07-08  Lydia Wang  Add support for VT2002P               */
/* 2009-07-21  Lydia Wang  Add support for VT1812                */
/* 2009-09-19  Lydia Wang  Add support for VT1818S               */
/*                                       */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */


#include <linux/init.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/asoundef.h>
#include "hda_codec.h"
#include "hda_local.h"
#include "hda_auto_parser.h"
#include "hda_jack.h"

/* Pin Widget NID */
#define VT1708_HP_PIN_NID   0x20
#define VT1708_CD_PIN_NID   0x24

enum VIA_HDA_CODEC {
    UNKNOWN = -1,
    VT1708,
    VT1709_10CH,
    VT1709_6CH,
    VT1708B_8CH,
    VT1708B_4CH,
    VT1708S,
    VT1708BCE,
    VT1702,
    VT1718S,
    VT1716S,
    VT2002P,
    VT1812,
    VT1802,
    CODEC_TYPES,
};

#define VT2002P_COMPATIBLE(spec) \
    ((spec)->codec_type == VT2002P ||\
     (spec)->codec_type == VT1812 ||\
     (spec)->codec_type == VT1802)

#define MAX_NID_PATH_DEPTH  5

/* output-path: DAC -> ... -> pin
 * idx[] contains the source index number of the next widget;
 * e.g. idx[0] is the index of the DAC selected by path[1] widget
 * multi[] indicates whether it's a selector widget with multi-connectors
 * (i.e. the connection selection is mandatory)
 * vol_ctl and mute_ctl contains the NIDs for the assigned mixers
 */
struct nid_path {
    int depth;
    hda_nid_t path[MAX_NID_PATH_DEPTH];
    unsigned char idx[MAX_NID_PATH_DEPTH];
    unsigned char multi[MAX_NID_PATH_DEPTH];
    unsigned int vol_ctl;
    unsigned int mute_ctl;
};

/* input-path */
struct via_input {
    hda_nid_t pin;  /* input-pin or aa-mix */
    int adc_idx;    /* ADC index to be used */
    int mux_idx;    /* MUX index (if any) */
    const char *label;  /* input-source label */
};

#define VIA_MAX_ADCS    3

enum {
    STREAM_MULTI_OUT = (1 << 0),
    STREAM_INDEP_HP = (1 << 1),
};

struct via_spec {
    struct hda_gen_spec gen;

    /* codec parameterization */
    const struct snd_kcontrol_new *mixers[6];
    unsigned int num_mixers;

    const struct hda_verb *init_verbs[5];
    unsigned int num_iverbs;

    char stream_name_analog[32];
    char stream_name_hp[32];
    const struct hda_pcm_stream *stream_analog_playback;
    const struct hda_pcm_stream *stream_analog_capture;

    char stream_name_digital[32];
    const struct hda_pcm_stream *stream_digital_playback;
    const struct hda_pcm_stream *stream_digital_capture;

    /* playback */
    struct hda_multi_out multiout;
    hda_nid_t slave_dig_outs[2];
    hda_nid_t hp_dac_nid;
    hda_nid_t speaker_dac_nid;
    int hp_indep_shared;    /* indep HP-DAC is shared with side ch */
    int opened_streams; /* STREAM_* bits */
    int active_streams; /* STREAM_* bits */
    int aamix_mode;     /* loopback is enabled for output-path? */

    /* Output-paths:
     * There are different output-paths depending on the setup.
     * out_path, hp_path and speaker_path are primary paths.  If both
     * direct DAC and aa-loopback routes are available, these contain
     * the former paths.  Meanwhile *_mix_path contain the paths with
     * loopback mixer.  (Since the loopback is only for front channel,
     * no out_mix_path for surround channels.)
     * The HP output has another path, hp_indep_path, which is used in
     * the independent-HP mode.
     */
    struct nid_path out_path[HDA_SIDE + 1];
    struct nid_path out_mix_path;
    struct nid_path hp_path;
    struct nid_path hp_mix_path;
    struct nid_path hp_indep_path;
    struct nid_path speaker_path;
    struct nid_path speaker_mix_path;

    /* capture */
    unsigned int num_adc_nids;
    hda_nid_t adc_nids[VIA_MAX_ADCS];
    hda_nid_t mux_nids[VIA_MAX_ADCS];
    hda_nid_t aa_mix_nid;
    hda_nid_t dig_in_nid;

    /* capture source */
    bool dyn_adc_switch;
    int num_inputs;
    struct via_input inputs[AUTO_CFG_MAX_INS + 1];
    unsigned int cur_mux[VIA_MAX_ADCS];

    /* dynamic DAC switching */
    unsigned int cur_dac_stream_tag;
    unsigned int cur_dac_format;
    unsigned int cur_hp_stream_tag;
    unsigned int cur_hp_format;

    /* dynamic ADC switching */
    hda_nid_t cur_adc;
    unsigned int cur_adc_stream_tag;
    unsigned int cur_adc_format;

    /* PCM information */
    struct hda_pcm pcm_rec[3];

    /* dynamic controls, init_verbs and input_mux */
    struct auto_pin_cfg autocfg;
    struct snd_array kctls;
    hda_nid_t private_dac_nids[AUTO_CFG_MAX_OUTS];

    /* HP mode source */
    unsigned int hp_independent_mode;
    unsigned int dmic_enabled;
    unsigned int no_pin_power_ctl;
    enum VIA_HDA_CODEC codec_type;

    /* analog low-power control */
    bool alc_mode;

    /* smart51 setup */
    unsigned int smart51_nums;
    hda_nid_t smart51_pins[2];
    int smart51_idxs[2];
    const char *smart51_labels[2];
    unsigned int smart51_enabled;

    /* work to check hp jack state */
    struct hda_codec *codec;
    struct delayed_work vt1708_hp_work;
    int hp_work_active;
    int vt1708_jack_detect;
    int vt1708_hp_present;

    void (*set_widgets_power_state)(struct hda_codec *codec);

    struct hda_loopback_check loopback;
    int num_loopbacks;
    struct hda_amp_list loopback_list[8];

    /* bind capture-volume */
    struct hda_bind_ctls *bind_cap_vol;
    struct hda_bind_ctls *bind_cap_sw;

    struct mutex config_mutex;
};

static enum VIA_HDA_CODEC get_codec_type(struct hda_codec *codec);
static struct via_spec * via_new_spec(struct hda_codec *codec)
{
    struct via_spec *spec;

    spec = kzalloc(sizeof(*spec), GFP_KERNEL);
    if (spec == NULL)
        return NULL;

    mutex_init(&spec->config_mutex);
    codec->spec = spec;
    spec->codec = codec;
    spec->codec_type = get_codec_type(codec);
    /* VT1708BCE & VT1708S are almost same */
    if (spec->codec_type == VT1708BCE)
        spec->codec_type = VT1708S;
    snd_hda_gen_init(&spec->gen);
    return spec;
}

static enum VIA_HDA_CODEC get_codec_type(struct hda_codec *codec)
{
    u32 vendor_id = codec->vendor_id;
    u16 ven_id = vendor_id >> 16;
    u16 dev_id = vendor_id & 0xffff;
    enum VIA_HDA_CODEC codec_type;

    /* get codec type */
    if (ven_id != 0x1106)
        codec_type = UNKNOWN;
    else if (dev_id >= 0x1708 && dev_id <= 0x170b)
        codec_type = VT1708;
    else if (dev_id >= 0xe710 && dev_id <= 0xe713)
        codec_type = VT1709_10CH;
    else if (dev_id >= 0xe714 && dev_id <= 0xe717)
        codec_type = VT1709_6CH;
    else if (dev_id >= 0xe720 && dev_id <= 0xe723) {
        codec_type = VT1708B_8CH;
        if (snd_hda_param_read(codec, 0x16, AC_PAR_CONNLIST_LEN) == 0x7)
            codec_type = VT1708BCE;
    } else if (dev_id >= 0xe724 && dev_id <= 0xe727)
        codec_type = VT1708B_4CH;
    else if ((dev_id & 0xfff) == 0x397
         && (dev_id >> 12) < 8)
        codec_type = VT1708S;
    else if ((dev_id & 0xfff) == 0x398
         && (dev_id >> 12) < 8)
        codec_type = VT1702;
    else if ((dev_id & 0xfff) == 0x428
         && (dev_id >> 12) < 8)
        codec_type = VT1718S;
    else if (dev_id == 0x0433 || dev_id == 0xa721)
        codec_type = VT1716S;
    else if (dev_id == 0x0441 || dev_id == 0x4441)
        codec_type = VT1718S;
    else if (dev_id == 0x0438 || dev_id == 0x4438)
        codec_type = VT2002P;
    else if (dev_id == 0x0448)
        codec_type = VT1812;
    else if (dev_id == 0x0440)
        codec_type = VT1708S;
    else if ((dev_id & 0xfff) == 0x446)
        codec_type = VT1802;
    else
        codec_type = UNKNOWN;
    return codec_type;
};

#define VIA_JACK_EVENT      0x20
#define VIA_HP_EVENT        0x01
#define VIA_LINE_EVENT      0x03

enum {
    VIA_CTL_WIDGET_VOL,
    VIA_CTL_WIDGET_MUTE,
    VIA_CTL_WIDGET_ANALOG_MUTE,
};

static void analog_low_current_mode(struct hda_codec *codec);
static bool is_aa_path_mute(struct hda_codec *codec);

#define hp_detect_with_aa(codec) \
    (snd_hda_get_bool_hint(codec, "analog_loopback_hp_detect") == 1 && \
     !is_aa_path_mute(codec))

static void vt1708_stop_hp_work(struct via_spec *spec)
{
    if (spec->codec_type != VT1708 || spec->autocfg.hp_pins[0] == 0)
        return;
    if (spec->hp_work_active) {
        snd_hda_codec_write(spec->codec, 0x1, 0, 0xf81, 1);
        cancel_delayed_work_sync(&spec->vt1708_hp_work);
        spec->hp_work_active = 0;
    }
}

static void vt1708_update_hp_work(struct via_spec *spec)
{
    if (spec->codec_type != VT1708 || spec->autocfg.hp_pins[0] == 0)
        return;
    if (spec->vt1708_jack_detect &&
        (spec->active_streams || hp_detect_with_aa(spec->codec))) {
        if (!spec->hp_work_active) {
            snd_hda_codec_write(spec->codec, 0x1, 0, 0xf81, 0);
            schedule_delayed_work(&spec->vt1708_hp_work,
                          msecs_to_jiffies(100));
            spec->hp_work_active = 1;
        }
    } else if (!hp_detect_with_aa(spec->codec))
        vt1708_stop_hp_work(spec);
}

static void set_widgets_power_state(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    if (spec->set_widgets_power_state)
        spec->set_widgets_power_state(codec);
}

static int analog_input_switch_put(struct snd_kcontrol *kcontrol,
                   struct snd_ctl_elem_value *ucontrol)
{
    int change = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
    struct hda_codec *codec = snd_kcontrol_chip(kcontrol);

    set_widgets_power_state(codec);
    analog_low_current_mode(snd_kcontrol_chip(kcontrol));
    vt1708_update_hp_work(codec->spec);
    return change;
}

/* modify .put = snd_hda_mixer_amp_switch_put */
#define ANALOG_INPUT_MUTE                       \
    {       .iface = SNDRV_CTL_ELEM_IFACE_MIXER,        \
            .name = NULL,                   \
            .index = 0,                 \
            .info = snd_hda_mixer_amp_switch_info,      \
            .get = snd_hda_mixer_amp_switch_get,        \
            .put = analog_input_switch_put,         \
            .private_value = HDA_COMPOSE_AMP_VAL(0, 3, 0, 0) }

static const struct snd_kcontrol_new via_control_templates[] = {
    HDA_CODEC_VOLUME(NULL, 0, 0, 0),
    HDA_CODEC_MUTE(NULL, 0, 0, 0),
    ANALOG_INPUT_MUTE,
};


/* add dynamic controls */
static struct snd_kcontrol_new *__via_clone_ctl(struct via_spec *spec,
                const struct snd_kcontrol_new *tmpl,
                const char *name)
{
    struct snd_kcontrol_new *knew;

    snd_array_init(&spec->kctls, sizeof(*knew), 32);
    knew = snd_array_new(&spec->kctls);
    if (!knew)
        return NULL;
    *knew = *tmpl;
    if (!name)
        name = tmpl->name;
    if (name) {
        knew->name = kstrdup(name, GFP_KERNEL);
        if (!knew->name)
            return NULL;
    }
    return knew;
}

static int __via_add_control(struct via_spec *spec, int type, const char *name,
                 int idx, unsigned long val)
{
    struct snd_kcontrol_new *knew;

    knew = __via_clone_ctl(spec, &via_control_templates[type], name);
    if (!knew)
        return -ENOMEM;
    knew->index = idx;
    if (get_amp_nid_(val))
        knew->subdevice = HDA_SUBDEV_AMP_FLAG;
    knew->private_value = val;
    return 0;
}

#define via_add_control(spec, type, name, val) \
    __via_add_control(spec, type, name, 0, val)

#define via_clone_control(spec, tmpl) __via_clone_ctl(spec, tmpl, NULL)

static void via_free_kctls(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;

    if (spec->kctls.list) {
        struct snd_kcontrol_new *kctl = spec->kctls.list;
        int i;
        for (i = 0; i < spec->kctls.used; i++)
            kfree(kctl[i].name);
    }
    snd_array_free(&spec->kctls);
}

/* create input playback/capture controls for the given pin */
static int via_new_analog_input(struct via_spec *spec, const char *ctlname,
                int type_idx, int idx, int mix_nid)
{
    char name[32];
    int err;

    sprintf(name, "%s Playback Volume", ctlname);
    err = __via_add_control(spec, VIA_CTL_WIDGET_VOL, name, type_idx,
                  HDA_COMPOSE_AMP_VAL(mix_nid, 3, idx, HDA_INPUT));
    if (err < 0)
        return err;
    sprintf(name, "%s Playback Switch", ctlname);
    err = __via_add_control(spec, VIA_CTL_WIDGET_ANALOG_MUTE, name, type_idx,
                  HDA_COMPOSE_AMP_VAL(mix_nid, 3, idx, HDA_INPUT));
    if (err < 0)
        return err;
    return 0;
}

#define get_connection_index(codec, mux, nid) \
    snd_hda_get_conn_index(codec, mux, nid, 0)

static bool check_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir,
               unsigned int mask)
{
    unsigned int caps;
    if (!nid)
        return false;
    caps = get_wcaps(codec, nid);
    if (dir == HDA_INPUT)
        caps &= AC_WCAP_IN_AMP;
    else
        caps &= AC_WCAP_OUT_AMP;
    if (!caps)
        return false;
    if (query_amp_caps(codec, nid, dir) & mask)
        return true;
    return false;
}

#define have_mute(codec, nid, dir) \
    check_amp_caps(codec, nid, dir, AC_AMPCAP_MUTE)

/* enable/disable the output-route mixers */
static void activate_output_mix(struct hda_codec *codec, struct nid_path *path,
                hda_nid_t mix_nid, int idx, bool enable)
{
    int i, num, val;

    if (!path)
        return;
    num = snd_hda_get_num_conns(codec, mix_nid);
    for (i = 0; i < num; i++) {
        if (i == idx)
            val = AMP_IN_UNMUTE(i);
        else
            val = AMP_IN_MUTE(i);
        snd_hda_codec_write(codec, mix_nid, 0,
                    AC_VERB_SET_AMP_GAIN_MUTE, val);
    }
}

/* enable/disable the output-route */
static void activate_output_path(struct hda_codec *codec, struct nid_path *path,
                 bool enable, bool force)
{
    struct via_spec *spec = codec->spec;
    int i;
    for (i = 0; i < path->depth; i++) {
        hda_nid_t src, dst;
        int idx = path->idx[i];
        src = path->path[i];            
        if (i < path->depth - 1)
            dst = path->path[i + 1];
        else
            dst = 0;
        if (enable && path->multi[i])
            snd_hda_codec_write(codec, dst, 0,
                        AC_VERB_SET_CONNECT_SEL, idx);
        if (!force && (dst == spec->aa_mix_nid))
            continue;
        if (have_mute(codec, dst, HDA_INPUT))
            activate_output_mix(codec, path, dst, idx, enable);
        if (!force && (src == path->vol_ctl || src == path->mute_ctl))
            continue;
        if (have_mute(codec, src, HDA_OUTPUT)) {
            int val = enable ? AMP_OUT_UNMUTE : AMP_OUT_MUTE;
            snd_hda_codec_write(codec, src, 0,
                        AC_VERB_SET_AMP_GAIN_MUTE, val);
        }
    }
}

/* set the given pin as output */
static void init_output_pin(struct hda_codec *codec, hda_nid_t pin,
                int pin_type)
{
    if (!pin)
        return;
    snd_hda_set_pin_ctl(codec, pin, pin_type);
    if (snd_hda_query_pin_caps(codec, pin) & AC_PINCAP_EAPD)
        snd_hda_codec_write(codec, pin, 0,
                    AC_VERB_SET_EAPD_BTLENABLE, 0x02);
}

static void via_auto_init_output(struct hda_codec *codec,
                 struct nid_path *path, int pin_type)
{
    unsigned int caps;
    hda_nid_t pin;

    if (!path->depth)
        return;
    pin = path->path[path->depth - 1];

    init_output_pin(codec, pin, pin_type);
    if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
        caps = query_amp_caps(codec, pin, HDA_OUTPUT);
    else
        caps = 0;
    if (caps & AC_AMPCAP_MUTE) {
        unsigned int val;
        val = (caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT;
        snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE,
                    AMP_OUT_MUTE | val);
    }
    activate_output_path(codec, path, true, true); /* force on */
}

static void via_auto_init_multi_out(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    struct nid_path *path;
    int i;

    for (i = 0; i < spec->autocfg.line_outs + spec->smart51_nums; i++) {
        path = &spec->out_path[i];
        if (!i && spec->aamix_mode && spec->out_mix_path.depth)
            path = &spec->out_mix_path;
        via_auto_init_output(codec, path, PIN_OUT);
    }
}

/* deactivate the inactive headphone-paths */
static void deactivate_hp_paths(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    int shared = spec->hp_indep_shared;

    if (spec->hp_independent_mode) {
        activate_output_path(codec, &spec->hp_path, false, false);
        activate_output_path(codec, &spec->hp_mix_path, false, false);
        if (shared)
            activate_output_path(codec, &spec->out_path[shared],
                         false, false);
    } else if (spec->aamix_mode || !spec->hp_path.depth) {
        activate_output_path(codec, &spec->hp_indep_path, false, false);
        activate_output_path(codec, &spec->hp_path, false, false);
    } else {
        activate_output_path(codec, &spec->hp_indep_path, false, false);
        activate_output_path(codec, &spec->hp_mix_path, false, false);
    }
}

static void via_auto_init_hp_out(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;

    if (!spec->hp_path.depth) {
        via_auto_init_output(codec, &spec->hp_mix_path, PIN_HP);
        return;
    }
    deactivate_hp_paths(codec);
    if (spec->hp_independent_mode)
        via_auto_init_output(codec, &spec->hp_indep_path, PIN_HP);
    else if (spec->aamix_mode)
        via_auto_init_output(codec, &spec->hp_mix_path, PIN_HP);
    else
        via_auto_init_output(codec, &spec->hp_path, PIN_HP);
}

static void via_auto_init_speaker_out(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;

    if (!spec->autocfg.speaker_outs)
        return;
    if (!spec->speaker_path.depth) {
        via_auto_init_output(codec, &spec->speaker_mix_path, PIN_OUT);
        return;
    }
    if (!spec->aamix_mode) {
        activate_output_path(codec, &spec->speaker_mix_path,
                     false, false);
        via_auto_init_output(codec, &spec->speaker_path, PIN_OUT);
    } else {
        activate_output_path(codec, &spec->speaker_path, false, false);
        via_auto_init_output(codec, &spec->speaker_mix_path, PIN_OUT);
    }
}

static bool is_smart51_pins(struct hda_codec *codec, hda_nid_t pin);
static void via_hp_automute(struct hda_codec *codec);

static void via_auto_init_analog_input(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    const struct auto_pin_cfg *cfg = &spec->autocfg;
    hda_nid_t conn[HDA_MAX_CONNECTIONS];
    unsigned int ctl;
    int i, num_conns;

    /* init ADCs */
    for (i = 0; i < spec->num_adc_nids; i++) {
        hda_nid_t nid = spec->adc_nids[i];
        if (!(get_wcaps(codec, nid) & AC_WCAP_IN_AMP) ||
            !(query_amp_caps(codec, nid, HDA_INPUT) & AC_AMPCAP_MUTE))
            continue;
        snd_hda_codec_write(codec, spec->adc_nids[i], 0,
                    AC_VERB_SET_AMP_GAIN_MUTE,
                    AMP_IN_UNMUTE(0));
    }

    /* init pins */
    for (i = 0; i < cfg->num_inputs; i++) {
        hda_nid_t nid = cfg->inputs[i].pin;
        if (spec->smart51_enabled && is_smart51_pins(codec, nid))
            ctl = PIN_OUT;
        else {
            ctl = PIN_IN;
            if (cfg->inputs[i].type == AUTO_PIN_MIC)
                ctl |= snd_hda_get_default_vref(codec, nid);
        }
        snd_hda_set_pin_ctl(codec, nid, ctl);
    }

    /* init input-src */
    for (i = 0; i < spec->num_adc_nids; i++) {
        int adc_idx = spec->inputs[spec->cur_mux[i]].adc_idx;
        /* secondary ADCs must have the unique MUX */
        if (i > 0 && !spec->mux_nids[i])
            break;
        if (spec->mux_nids[adc_idx]) {
            int mux_idx = spec->inputs[spec->cur_mux[i]].mux_idx;
            snd_hda_codec_write(codec, spec->mux_nids[adc_idx], 0,
                        AC_VERB_SET_CONNECT_SEL,
                        mux_idx);
        }
        if (spec->dyn_adc_switch)
            break; /* only one input-src */
    }

    /* init aa-mixer */
    if (!spec->aa_mix_nid)
        return;
    num_conns = snd_hda_get_connections(codec, spec->aa_mix_nid, conn,
                        ARRAY_SIZE(conn));
    for (i = 0; i < num_conns; i++) {
        unsigned int caps = get_wcaps(codec, conn[i]);
        if (get_wcaps_type(caps) == AC_WID_PIN)
            snd_hda_codec_write(codec, spec->aa_mix_nid, 0,
                        AC_VERB_SET_AMP_GAIN_MUTE,
                        AMP_IN_MUTE(i));
    }
}

static void update_power_state(struct hda_codec *codec, hda_nid_t nid,
                   unsigned int parm)
{
    if (snd_hda_codec_read(codec, nid, 0,
                   AC_VERB_GET_POWER_STATE, 0) == parm)
        return;
    snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE, parm);
}

static void set_pin_power_state(struct hda_codec *codec, hda_nid_t nid,
                unsigned int *affected_parm)
{
    unsigned parm;
    unsigned def_conf = snd_hda_codec_get_pincfg(codec, nid);
    unsigned no_presence = (def_conf & AC_DEFCFG_MISC)
        >> AC_DEFCFG_MISC_SHIFT
        & AC_DEFCFG_MISC_NO_PRESENCE; /* do not support pin sense */
    struct via_spec *spec = codec->spec;
    unsigned present = 0;

    no_presence |= spec->no_pin_power_ctl;
    if (!no_presence)
        present = snd_hda_jack_detect(codec, nid);
    if ((spec->smart51_enabled && is_smart51_pins(codec, nid))
        || ((no_presence || present)
        && get_defcfg_connect(def_conf) != AC_JACK_PORT_NONE)) {
        *affected_parm = AC_PWRST_D0; /* if it's connected */
        parm = AC_PWRST_D0;
    } else
        parm = AC_PWRST_D3;

    update_power_state(codec, nid, parm);
}

static int via_pin_power_ctl_info(struct snd_kcontrol *kcontrol,
                  struct snd_ctl_elem_info *uinfo)
{
    static const char * const texts[] = {
        "Disabled", "Enabled"
    };

    uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
    uinfo->count = 1;
    uinfo->value.enumerated.items = 2;
    if (uinfo->value.enumerated.item >= uinfo->value.enumerated.items)
        uinfo->value.enumerated.item = uinfo->value.enumerated.items - 1;
    strcpy(uinfo->value.enumerated.name,
           texts[uinfo->value.enumerated.item]);
    return 0;
}

static int via_pin_power_ctl_get(struct snd_kcontrol *kcontrol,
                 struct snd_ctl_elem_value *ucontrol)
{
    struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
    struct via_spec *spec = codec->spec;
    ucontrol->value.enumerated.item[0] = !spec->no_pin_power_ctl;
    return 0;
}

static int via_pin_power_ctl_put(struct snd_kcontrol *kcontrol,
                 struct snd_ctl_elem_value *ucontrol)
{
    struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
    struct via_spec *spec = codec->spec;
    unsigned int val = !ucontrol->value.enumerated.item[0];

    if (val == spec->no_pin_power_ctl)
        return 0;
    spec->no_pin_power_ctl = val;
    set_widgets_power_state(codec);
    analog_low_current_mode(codec);
    return 1;
}

static const struct snd_kcontrol_new via_pin_power_ctl_enum = {
    .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
    .name = "Dynamic Power-Control",
    .info = via_pin_power_ctl_info,
    .get = via_pin_power_ctl_get,
    .put = via_pin_power_ctl_put,
};


static int via_independent_hp_info(struct snd_kcontrol *kcontrol,
                   struct snd_ctl_elem_info *uinfo)
{
    static const char * const texts[] = { "OFF", "ON" };

    uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
    uinfo->count = 1;
    uinfo->value.enumerated.items = 2;
    if (uinfo->value.enumerated.item >= 2)
        uinfo->value.enumerated.item = 1;
    strcpy(uinfo->value.enumerated.name,
           texts[uinfo->value.enumerated.item]);
    return 0;
}

static int via_independent_hp_get(struct snd_kcontrol *kcontrol,
                  struct snd_ctl_elem_value *ucontrol)
{
    struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
    struct via_spec *spec = codec->spec;

    ucontrol->value.enumerated.item[0] = spec->hp_independent_mode;
    return 0;
}

/* adjust spec->multiout setup according to the current flags */
static void setup_playback_multi_pcm(struct via_spec *spec)
{
    const struct auto_pin_cfg *cfg = &spec->autocfg;
    spec->multiout.num_dacs = cfg->line_outs + spec->smart51_nums;
    spec->multiout.hp_nid = 0;
    if (!spec->hp_independent_mode) {
        if (!spec->hp_indep_shared)
            spec->multiout.hp_nid = spec->hp_dac_nid;
    } else {
        if (spec->hp_indep_shared)
            spec->multiout.num_dacs = cfg->line_outs - 1;
    }
}

/* update DAC setups according to indep-HP switch;
 * this function is called only when indep-HP is modified
 */
static void switch_indep_hp_dacs(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    int shared = spec->hp_indep_shared;
    hda_nid_t shared_dac, hp_dac;

    if (!spec->opened_streams)
        return;

    shared_dac = shared ? spec->multiout.dac_nids[shared] : 0;
    hp_dac = spec->hp_dac_nid;
    if (spec->hp_independent_mode) {
        /* switch to indep-HP mode */
        if (spec->active_streams & STREAM_MULTI_OUT) {
            __snd_hda_codec_cleanup_stream(codec, hp_dac, 1);
            __snd_hda_codec_cleanup_stream(codec, shared_dac, 1);
        }
        if (spec->active_streams & STREAM_INDEP_HP)
            snd_hda_codec_setup_stream(codec, hp_dac,
                           spec->cur_hp_stream_tag, 0,
                           spec->cur_hp_format);
    } else {
        /* back to HP or shared-DAC */
        if (spec->active_streams & STREAM_INDEP_HP)
            __snd_hda_codec_cleanup_stream(codec, hp_dac, 1);
        if (spec->active_streams & STREAM_MULTI_OUT) {
            hda_nid_t dac;
            int ch;
            if (shared_dac) { /* reset mutli-ch DAC */
                dac = shared_dac;
                ch = shared * 2;
            } else { /* reset HP DAC */
                dac = hp_dac;
                ch = 0;
            }
            snd_hda_codec_setup_stream(codec, dac,
                           spec->cur_dac_stream_tag, ch,
                           spec->cur_dac_format);
        }
    }
    setup_playback_multi_pcm(spec);
}

static int via_independent_hp_put(struct snd_kcontrol *kcontrol,
                  struct snd_ctl_elem_value *ucontrol)
{
    struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
    struct via_spec *spec = codec->spec;
    int cur, shared;

    mutex_lock(&spec->config_mutex);
    cur = !!ucontrol->value.enumerated.item[0];
    if (spec->hp_independent_mode == cur) {
        mutex_unlock(&spec->config_mutex);
        return 0;
    }
    spec->hp_independent_mode = cur;
    shared = spec->hp_indep_shared;
    deactivate_hp_paths(codec);
    if (cur)
        activate_output_path(codec, &spec->hp_indep_path, true, false);
    else {
        if (shared)
            activate_output_path(codec, &spec->out_path[shared],
                         true, false);
        if (spec->aamix_mode || !spec->hp_path.depth)
            activate_output_path(codec, &spec->hp_mix_path,
                         true, false);
        else
            activate_output_path(codec, &spec->hp_path,
                         true, false);
    }

    switch_indep_hp_dacs(codec);
    mutex_unlock(&spec->config_mutex);

    /* update jack power state */
    set_widgets_power_state(codec);
    via_hp_automute(codec);
    return 1;
}

static const struct snd_kcontrol_new via_hp_mixer = {
    .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
    .name = "Independent HP",
    .info = via_independent_hp_info,
    .get = via_independent_hp_get,
    .put = via_independent_hp_put,
};

static int via_hp_build(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    struct snd_kcontrol_new *knew;
    hda_nid_t nid;

    nid = spec->autocfg.hp_pins[0];
    knew = via_clone_control(spec, &via_hp_mixer);
    if (knew == NULL)
        return -ENOMEM;

    knew->subdevice = HDA_SUBDEV_NID_FLAG | nid;

    return 0;
}

static void notify_aa_path_ctls(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    int i;

    for (i = 0; i < spec->smart51_nums; i++) {
        struct snd_kcontrol *ctl;
        struct snd_ctl_elem_id id;
        memset(&id, 0, sizeof(id));
        id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
        sprintf(id.name, "%s Playback Volume", spec->smart51_labels[i]);
        ctl = snd_hda_find_mixer_ctl(codec, id.name);
        if (ctl)
            snd_ctl_notify(codec->bus->card,
                    SNDRV_CTL_EVENT_MASK_VALUE,
                    &ctl->id);
    }
}

static void mute_aa_path(struct hda_codec *codec, int mute)
{
    struct via_spec *spec = codec->spec;
    int val = mute ? HDA_AMP_MUTE : HDA_AMP_UNMUTE;
    int i;

    /* check AA path's mute status */
    for (i = 0; i < spec->smart51_nums; i++) {
        if (spec->smart51_idxs[i] < 0)
            continue;
        snd_hda_codec_amp_stereo(codec, spec->aa_mix_nid,
                     HDA_INPUT, spec->smart51_idxs[i],
                     HDA_AMP_MUTE, val);
    }
}

static bool is_smart51_pins(struct hda_codec *codec, hda_nid_t pin)
{
    struct via_spec *spec = codec->spec;
    int i;

    for (i = 0; i < spec->smart51_nums; i++)
        if (spec->smart51_pins[i] == pin)
            return true;
    return false;
}

static int via_smart51_get(struct snd_kcontrol *kcontrol,
               struct snd_ctl_elem_value *ucontrol)
{
    struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
    struct via_spec *spec = codec->spec;

    *ucontrol->value.integer.value = spec->smart51_enabled;
    return 0;
}

static int via_smart51_put(struct snd_kcontrol *kcontrol,
               struct snd_ctl_elem_value *ucontrol)
{
    struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
    struct via_spec *spec = codec->spec;
    int out_in = *ucontrol->value.integer.value
        ? AC_PINCTL_OUT_EN : AC_PINCTL_IN_EN;
    int i;

    for (i = 0; i < spec->smart51_nums; i++) {
        hda_nid_t nid = spec->smart51_pins[i];
        unsigned int parm;

        parm = snd_hda_codec_read(codec, nid, 0,
                      AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
        parm &= ~(AC_PINCTL_IN_EN | AC_PINCTL_OUT_EN);
        parm |= out_in;
        snd_hda_set_pin_ctl(codec, nid, parm);
        if (out_in == AC_PINCTL_OUT_EN) {
            mute_aa_path(codec, 1);
            notify_aa_path_ctls(codec);
        }
    }
    spec->smart51_enabled = *ucontrol->value.integer.value;
    set_widgets_power_state(codec);
    return 1;
}

static const struct snd_kcontrol_new via_smart51_mixer = {
    .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
    .name = "Smart 5.1",
    .count = 1,
    .info = snd_ctl_boolean_mono_info,
    .get = via_smart51_get,
    .put = via_smart51_put,
};

static int via_smart51_build(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;

    if (!spec->smart51_nums)
        return 0;
    if (!via_clone_control(spec, &via_smart51_mixer))
        return -ENOMEM;
    return 0;
}

/* check AA path's mute status */
static bool is_aa_path_mute(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    const struct hda_amp_list *p;
    int i, ch, v;

    for (i = 0; i < spec->num_loopbacks; i++) {
        p = &spec->loopback_list[i];
        for (ch = 0; ch < 2; ch++) {
            v = snd_hda_codec_amp_read(codec, p->nid, ch, p->dir,
                           p->idx);
            if (!(v & HDA_AMP_MUTE) && v > 0)
                return false;
        }
    }
    return true;
}

/* enter/exit analog low-current mode */
static void __analog_low_current_mode(struct hda_codec *codec, bool force)
{
    struct via_spec *spec = codec->spec;
    bool enable;
    unsigned int verb, parm;

    if (spec->no_pin_power_ctl)
        enable = false;
    else
        enable = is_aa_path_mute(codec) && !spec->opened_streams;
    if (enable == spec->alc_mode && !force)
        return;
    spec->alc_mode = enable;

    /* decide low current mode's verb & parameter */
    switch (spec->codec_type) {
    case VT1708B_8CH:
    case VT1708B_4CH:
        verb = 0xf70;
        parm = enable ? 0x02 : 0x00; /* 0x02: 2/3x, 0x00: 1x */
        break;
    case VT1708S:
    case VT1718S:
    case VT1716S:
        verb = 0xf73;
        parm = enable ? 0x51 : 0xe1; /* 0x51: 4/28x, 0xe1: 1x */
        break;
    case VT1702:
        verb = 0xf73;
        parm = enable ? 0x01 : 0x1d; /* 0x01: 4/40x, 0x1d: 1x */
        break;
    case VT2002P:
    case VT1812:
    case VT1802:
        verb = 0xf93;
        parm = enable ? 0x00 : 0xe0; /* 0x00: 4/40x, 0xe0: 1x */
        break;
    default:
        return;     /* other codecs are not supported */
    }
    /* send verb */
    snd_hda_codec_write(codec, codec->afg, 0, verb, parm);
}

static void analog_low_current_mode(struct hda_codec *codec)
{
    return __analog_low_current_mode(codec, false);
}

/*
 * generic initialization of ADC, input mixers and output mixers
 */
static const struct hda_verb vt1708_init_verbs[] = {
    /* power down jack detect function */
    {0x1, 0xf81, 0x1},
    { }
};

static void set_stream_open(struct hda_codec *codec, int bit, bool active)
{
    struct via_spec *spec = codec->spec;

    if (active)
        spec->opened_streams |= bit;
    else
        spec->opened_streams &= ~bit;
    analog_low_current_mode(codec);
}

static int via_playback_multi_pcm_open(struct hda_pcm_stream *hinfo,
                 struct hda_codec *codec,
                 struct snd_pcm_substream *substream)
{
    struct via_spec *spec = codec->spec;
    const struct auto_pin_cfg *cfg = &spec->autocfg;
    int err;

    spec->multiout.num_dacs = cfg->line_outs + spec->smart51_nums;
    spec->multiout.max_channels = spec->multiout.num_dacs * 2;
    set_stream_open(codec, STREAM_MULTI_OUT, true);
    err = snd_hda_multi_out_analog_open(codec, &spec->multiout, substream,
                        hinfo);
    if (err < 0) {
        set_stream_open(codec, STREAM_MULTI_OUT, false);
        return err;
    }
    return 0;
}

static int via_playback_multi_pcm_close(struct hda_pcm_stream *hinfo,
                  struct hda_codec *codec,
                  struct snd_pcm_substream *substream)
{
    set_stream_open(codec, STREAM_MULTI_OUT, false);
    return 0;
}

static int via_playback_hp_pcm_open(struct hda_pcm_stream *hinfo,
                    struct hda_codec *codec,
                    struct snd_pcm_substream *substream)
{
    struct via_spec *spec = codec->spec;

    if (snd_BUG_ON(!spec->hp_dac_nid))
        return -EINVAL;
    set_stream_open(codec, STREAM_INDEP_HP, true);
    return 0;
}

static int via_playback_hp_pcm_close(struct hda_pcm_stream *hinfo,
                     struct hda_codec *codec,
                     struct snd_pcm_substream *substream)
{
    set_stream_open(codec, STREAM_INDEP_HP, false);
    return 0;
}

static int via_playback_multi_pcm_prepare(struct hda_pcm_stream *hinfo,
                      struct hda_codec *codec,
                      unsigned int stream_tag,
                      unsigned int format,
                      struct snd_pcm_substream *substream)
{
    struct via_spec *spec = codec->spec;

    mutex_lock(&spec->config_mutex);
    setup_playback_multi_pcm(spec);
    snd_hda_multi_out_analog_prepare(codec, &spec->multiout, stream_tag,
                     format, substream);
    /* remember for dynamic DAC switch with indep-HP */
    spec->active_streams |= STREAM_MULTI_OUT;
    spec->cur_dac_stream_tag = stream_tag;
    spec->cur_dac_format = format;
    mutex_unlock(&spec->config_mutex);
    vt1708_update_hp_work(spec);
    return 0;
}

static int via_playback_hp_pcm_prepare(struct hda_pcm_stream *hinfo,
                       struct hda_codec *codec,
                       unsigned int stream_tag,
                       unsigned int format,
                       struct snd_pcm_substream *substream)
{
    struct via_spec *spec = codec->spec;

    mutex_lock(&spec->config_mutex);
    if (spec->hp_independent_mode)
        snd_hda_codec_setup_stream(codec, spec->hp_dac_nid,
                       stream_tag, 0, format);
    spec->active_streams |= STREAM_INDEP_HP;
    spec->cur_hp_stream_tag = stream_tag;
    spec->cur_hp_format = format;
    mutex_unlock(&spec->config_mutex);
    vt1708_update_hp_work(spec);
    return 0;
}

static int via_playback_multi_pcm_cleanup(struct hda_pcm_stream *hinfo,
                    struct hda_codec *codec,
                    struct snd_pcm_substream *substream)
{
    struct via_spec *spec = codec->spec;

    mutex_lock(&spec->config_mutex);
    snd_hda_multi_out_analog_cleanup(codec, &spec->multiout);
    spec->active_streams &= ~STREAM_MULTI_OUT;
    mutex_unlock(&spec->config_mutex);
    vt1708_update_hp_work(spec);
    return 0;
}

static int via_playback_hp_pcm_cleanup(struct hda_pcm_stream *hinfo,
                       struct hda_codec *codec,
                       struct snd_pcm_substream *substream)
{
    struct via_spec *spec = codec->spec;

    mutex_lock(&spec->config_mutex);
    if (spec->hp_independent_mode)
        snd_hda_codec_setup_stream(codec, spec->hp_dac_nid, 0, 0, 0);
    spec->active_streams &= ~STREAM_INDEP_HP;
    mutex_unlock(&spec->config_mutex);
    vt1708_update_hp_work(spec);
    return 0;
}

/*
 * Digital out
 */
static int via_dig_playback_pcm_open(struct hda_pcm_stream *hinfo,
                     struct hda_codec *codec,
                     struct snd_pcm_substream *substream)
{
    struct via_spec *spec = codec->spec;
    return snd_hda_multi_out_dig_open(codec, &spec->multiout);
}

static int via_dig_playback_pcm_close(struct hda_pcm_stream *hinfo,
                      struct hda_codec *codec,
                      struct snd_pcm_substream *substream)
{
    struct via_spec *spec = codec->spec;
    return snd_hda_multi_out_dig_close(codec, &spec->multiout);
}

static int via_dig_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
                    struct hda_codec *codec,
                    unsigned int stream_tag,
                    unsigned int format,
                    struct snd_pcm_substream *substream)
{
    struct via_spec *spec = codec->spec;
    return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
                         stream_tag, format, substream);
}

static int via_dig_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
                    struct hda_codec *codec,
                    struct snd_pcm_substream *substream)
{
    struct via_spec *spec = codec->spec;
    snd_hda_multi_out_dig_cleanup(codec, &spec->multiout);
    return 0;
}

/*
 * Analog capture
 */
static int via_capture_pcm_prepare(struct hda_pcm_stream *hinfo,
                   struct hda_codec *codec,
                   unsigned int stream_tag,
                   unsigned int format,
                   struct snd_pcm_substream *substream)
{
    struct via_spec *spec = codec->spec;

    snd_hda_codec_setup_stream(codec, spec->adc_nids[substream->number],
                   stream_tag, 0, format);
    return 0;
}

static int via_capture_pcm_cleanup(struct hda_pcm_stream *hinfo,
                   struct hda_codec *codec,
                   struct snd_pcm_substream *substream)
{
    struct via_spec *spec = codec->spec;
    snd_hda_codec_cleanup_stream(codec, spec->adc_nids[substream->number]);
    return 0;
}

/* analog capture with dynamic ADC switching */
static int via_dyn_adc_capture_pcm_prepare(struct hda_pcm_stream *hinfo,
                       struct hda_codec *codec,
                       unsigned int stream_tag,
                       unsigned int format,
                       struct snd_pcm_substream *substream)
{
    struct via_spec *spec = codec->spec;
    int adc_idx = spec->inputs[spec->cur_mux[0]].adc_idx;

    mutex_lock(&spec->config_mutex);
    spec->cur_adc = spec->adc_nids[adc_idx];
    spec->cur_adc_stream_tag = stream_tag;
    spec->cur_adc_format = format;
    snd_hda_codec_setup_stream(codec, spec->cur_adc, stream_tag, 0, format);
    mutex_unlock(&spec->config_mutex);
    return 0;
}

static int via_dyn_adc_capture_pcm_cleanup(struct hda_pcm_stream *hinfo,
                       struct hda_codec *codec,
                       struct snd_pcm_substream *substream)
{
    struct via_spec *spec = codec->spec;

    mutex_lock(&spec->config_mutex);
    snd_hda_codec_cleanup_stream(codec, spec->cur_adc);
    spec->cur_adc = 0;
    mutex_unlock(&spec->config_mutex);
    return 0;
}

/* re-setup the stream if running; called from input-src put */
static bool via_dyn_adc_pcm_resetup(struct hda_codec *codec, int cur)
{
    struct via_spec *spec = codec->spec;
    int adc_idx = spec->inputs[cur].adc_idx;
    hda_nid_t adc = spec->adc_nids[adc_idx];
    bool ret = false;

    mutex_lock(&spec->config_mutex);
    if (spec->cur_adc && spec->cur_adc != adc) {
        /* stream is running, let's swap the current ADC */
        __snd_hda_codec_cleanup_stream(codec, spec->cur_adc, 1);
        spec->cur_adc = adc;
        snd_hda_codec_setup_stream(codec, adc,
                       spec->cur_adc_stream_tag, 0,
                       spec->cur_adc_format);
        ret = true;
    }
    mutex_unlock(&spec->config_mutex);
    return ret;
}

static const struct hda_pcm_stream via_pcm_analog_playback = {
    .substreams = 1,
    .channels_min = 2,
    .channels_max = 8,
    /* NID is set in via_build_pcms */
    .ops = {
        .open = via_playback_multi_pcm_open,
        .close = via_playback_multi_pcm_close,
        .prepare = via_playback_multi_pcm_prepare,
        .cleanup = via_playback_multi_pcm_cleanup
    },
};

static const struct hda_pcm_stream via_pcm_hp_playback = {
    .substreams = 1,
    .channels_min = 2,
    .channels_max = 2,
    /* NID is set in via_build_pcms */
    .ops = {
        .open = via_playback_hp_pcm_open,
        .close = via_playback_hp_pcm_close,
        .prepare = via_playback_hp_pcm_prepare,
        .cleanup = via_playback_hp_pcm_cleanup
    },
};

static const struct hda_pcm_stream vt1708_pcm_analog_s16_playback = {
    .substreams = 1,
    .channels_min = 2,
    .channels_max = 8,
    /* NID is set in via_build_pcms */
    /* We got noisy outputs on the right channel on VT1708 when
     * 24bit samples are used.  Until any workaround is found,
     * disable the 24bit format, so far.
     */
    .formats = SNDRV_PCM_FMTBIT_S16_LE,
    .ops = {
        .open = via_playback_multi_pcm_open,
        .close = via_playback_multi_pcm_close,
        .prepare = via_playback_multi_pcm_prepare,
        .cleanup = via_playback_multi_pcm_cleanup
    },
};

static const struct hda_pcm_stream via_pcm_analog_capture = {
    .substreams = 1, /* will be changed in via_build_pcms() */
    .channels_min = 2,
    .channels_max = 2,
    /* NID is set in via_build_pcms */
    .ops = {
        .prepare = via_capture_pcm_prepare,
        .cleanup = via_capture_pcm_cleanup
    },
};

static const struct hda_pcm_stream via_pcm_dyn_adc_analog_capture = {
    .substreams = 1,
    .channels_min = 2,
    .channels_max = 2,
    /* NID is set in via_build_pcms */
    .ops = {
        .prepare = via_dyn_adc_capture_pcm_prepare,
        .cleanup = via_dyn_adc_capture_pcm_cleanup,
    },
};

static const struct hda_pcm_stream via_pcm_digital_playback = {
    .substreams = 1,
    .channels_min = 2,
    .channels_max = 2,
    /* NID is set in via_build_pcms */
    .ops = {
        .open = via_dig_playback_pcm_open,
        .close = via_dig_playback_pcm_close,
        .prepare = via_dig_playback_pcm_prepare,
        .cleanup = via_dig_playback_pcm_cleanup
    },
};

static const struct hda_pcm_stream via_pcm_digital_capture = {
    .substreams = 1,
    .channels_min = 2,
    .channels_max = 2,
};

/*
 * slave controls for virtual master
 */
static const char * const via_slave_pfxs[] = {
    "Front", "Surround", "Center", "LFE", "Side",
    "Headphone", "Speaker",
    NULL,
};

static int via_build_controls(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    struct snd_kcontrol *kctl;
    int err, i;

    spec->no_pin_power_ctl = 1;
    if (spec->set_widgets_power_state)
        if (!via_clone_control(spec, &via_pin_power_ctl_enum))
            return -ENOMEM;

    for (i = 0; i < spec->num_mixers; i++) {
        err = snd_hda_add_new_ctls(codec, spec->mixers[i]);
        if (err < 0)
            return err;
    }

    if (spec->multiout.dig_out_nid) {
        err = snd_hda_create_spdif_out_ctls(codec,
                            spec->multiout.dig_out_nid,
                            spec->multiout.dig_out_nid);
        if (err < 0)
            return err;
        err = snd_hda_create_spdif_share_sw(codec,
                            &spec->multiout);
        if (err < 0)
            return err;
        spec->multiout.share_spdif = 1;
    }
    if (spec->dig_in_nid) {
        err = snd_hda_create_spdif_in_ctls(codec, spec->dig_in_nid);
        if (err < 0)
            return err;
    }

    /* if we have no master control, let's create it */
    if (!snd_hda_find_mixer_ctl(codec, "Master Playback Volume")) {
        unsigned int vmaster_tlv[4];
        snd_hda_set_vmaster_tlv(codec, spec->multiout.dac_nids[0],
                    HDA_OUTPUT, vmaster_tlv);
        err = snd_hda_add_vmaster(codec, "Master Playback Volume",
                      vmaster_tlv, via_slave_pfxs,
                      "Playback Volume");
        if (err < 0)
            return err;
    }
    if (!snd_hda_find_mixer_ctl(codec, "Master Playback Switch")) {
        err = snd_hda_add_vmaster(codec, "Master Playback Switch",
                      NULL, via_slave_pfxs,
                      "Playback Switch");
        if (err < 0)
            return err;
    }

    /* assign Capture Source enums to NID */
    kctl = snd_hda_find_mixer_ctl(codec, "Input Source");
    for (i = 0; kctl && i < kctl->count; i++) {
        if (!spec->mux_nids[i])
            continue;
        err = snd_hda_add_nid(codec, kctl, i, spec->mux_nids[i]);
        if (err < 0)
            return err;
    }

    via_free_kctls(codec); /* no longer needed */

    err = snd_hda_jack_add_kctls(codec, &spec->autocfg);
    if (err < 0)
        return err;

    return 0;
}

static int via_build_pcms(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    struct hda_pcm *info = spec->pcm_rec;

    codec->num_pcms = 0;
    codec->pcm_info = info;

    if (spec->multiout.num_dacs || spec->num_adc_nids) {
        snprintf(spec->stream_name_analog,
             sizeof(spec->stream_name_analog),
             "%s Analog", codec->chip_name);
        info->name = spec->stream_name_analog;

        if (spec->multiout.num_dacs) {
            if (!spec->stream_analog_playback)
                spec->stream_analog_playback =
                    &via_pcm_analog_playback;
            info->stream[SNDRV_PCM_STREAM_PLAYBACK] =
                *spec->stream_analog_playback;
            info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid =
                spec->multiout.dac_nids[0];
            info->stream[SNDRV_PCM_STREAM_PLAYBACK].channels_max =
                spec->multiout.max_channels;
        }

        if (!spec->stream_analog_capture) {
            if (spec->dyn_adc_switch)
                spec->stream_analog_capture =
                    &via_pcm_dyn_adc_analog_capture;
            else
                spec->stream_analog_capture =
                    &via_pcm_analog_capture;
        }
        if (spec->num_adc_nids) {
            info->stream[SNDRV_PCM_STREAM_CAPTURE] =
                *spec->stream_analog_capture;
            info->stream[SNDRV_PCM_STREAM_CAPTURE].nid =
                spec->adc_nids[0];
            if (!spec->dyn_adc_switch)
                info->stream[SNDRV_PCM_STREAM_CAPTURE].substreams =
                    spec->num_adc_nids;
        }
        codec->num_pcms++;
        info++;
    }

    if (spec->multiout.dig_out_nid || spec->dig_in_nid) {
        snprintf(spec->stream_name_digital,
             sizeof(spec->stream_name_digital),
             "%s Digital", codec->chip_name);
        info->name = spec->stream_name_digital;
        info->pcm_type = HDA_PCM_TYPE_SPDIF;
        if (spec->multiout.dig_out_nid) {
            if (!spec->stream_digital_playback)
                spec->stream_digital_playback =
                    &via_pcm_digital_playback;
            info->stream[SNDRV_PCM_STREAM_PLAYBACK] =
                *spec->stream_digital_playback;
            info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid =
                spec->multiout.dig_out_nid;
        }
        if (spec->dig_in_nid) {
            if (!spec->stream_digital_capture)
                spec->stream_digital_capture =
                    &via_pcm_digital_capture;
            info->stream[SNDRV_PCM_STREAM_CAPTURE] =
                *spec->stream_digital_capture;
            info->stream[SNDRV_PCM_STREAM_CAPTURE].nid =
                spec->dig_in_nid;
        }
        codec->num_pcms++;
        info++;
    }

    if (spec->hp_dac_nid) {
        snprintf(spec->stream_name_hp, sizeof(spec->stream_name_hp),
             "%s HP", codec->chip_name);
        info->name = spec->stream_name_hp;
        info->stream[SNDRV_PCM_STREAM_PLAYBACK] = via_pcm_hp_playback;
        info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid =
            spec->hp_dac_nid;
        codec->num_pcms++;
        info++;
    }
    return 0;
}

static void via_free(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;

    if (!spec)
        return;

    via_free_kctls(codec);
    vt1708_stop_hp_work(spec);
    kfree(spec->bind_cap_vol);
    kfree(spec->bind_cap_sw);
    snd_hda_gen_free(&spec->gen);
    kfree(spec);
}

/* mute/unmute outputs */
static void toggle_output_mutes(struct hda_codec *codec, int num_pins,
                hda_nid_t *pins, bool mute)
{
    int i;
    for (i = 0; i < num_pins; i++) {
        unsigned int parm = snd_hda_codec_read(codec, pins[i], 0,
                      AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
        if (parm & AC_PINCTL_IN_EN)
            continue;
        if (mute)
            parm &= ~AC_PINCTL_OUT_EN;
        else
            parm |= AC_PINCTL_OUT_EN;
        snd_hda_set_pin_ctl(codec, pins[i], parm);
    }
}

/* mute internal speaker if line-out is plugged */
static void via_line_automute(struct hda_codec *codec, int present)
{
    struct via_spec *spec = codec->spec;

    if (!spec->autocfg.speaker_outs)
        return;
    if (!present)
        present = snd_hda_jack_detect(codec,
                          spec->autocfg.line_out_pins[0]);
    toggle_output_mutes(codec, spec->autocfg.speaker_outs,
                spec->autocfg.speaker_pins,
                present);
}

/* mute internal speaker if HP is plugged */
static void via_hp_automute(struct hda_codec *codec)
{
    int present = 0;
    int nums;
    struct via_spec *spec = codec->spec;

    if (!spec->hp_independent_mode && spec->autocfg.hp_pins[0] &&
        (spec->codec_type != VT1708 || spec->vt1708_jack_detect) &&
        is_jack_detectable(codec, spec->autocfg.hp_pins[0]))
        present = snd_hda_jack_detect(codec, spec->autocfg.hp_pins[0]);

    if (spec->smart51_enabled)
        nums = spec->autocfg.line_outs + spec->smart51_nums;
    else
        nums = spec->autocfg.line_outs;
    toggle_output_mutes(codec, nums, spec->autocfg.line_out_pins, present);

    via_line_automute(codec, present);
}

#ifdef CONFIG_PM
static int via_suspend(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    vt1708_stop_hp_work(spec);

    if (spec->codec_type == VT1802) {
        /* Fix pop noise on headphones */
        int i;
        for (i = 0; i < spec->autocfg.hp_outs; i++)
            snd_hda_set_pin_ctl(codec, spec->autocfg.hp_pins[i], 0);
    }

    return 0;
}
#endif

#ifdef CONFIG_PM
static int via_check_power_status(struct hda_codec *codec, hda_nid_t nid)
{
    struct via_spec *spec = codec->spec;
    return snd_hda_check_amp_list_power(codec, &spec->loopback, nid);
}
#endif

/*
 */

static int via_init(struct hda_codec *codec);

static const struct hda_codec_ops via_patch_ops = {
    .build_controls = via_build_controls,
    .build_pcms = via_build_pcms,
    .init = via_init,
    .free = via_free,
    .unsol_event = snd_hda_jack_unsol_event,
#ifdef CONFIG_PM
    .suspend = via_suspend,
    .check_power_status = via_check_power_status,
#endif
};

static bool is_empty_dac(struct hda_codec *codec, hda_nid_t dac)
{
    struct via_spec *spec = codec->spec;
    int i;

    for (i = 0; i < spec->multiout.num_dacs; i++) {
        if (spec->multiout.dac_nids[i] == dac)
            return false;
    }
    if (spec->hp_dac_nid == dac)
        return false;
    return true;
}

static bool __parse_output_path(struct hda_codec *codec, hda_nid_t nid,
                hda_nid_t target_dac, int with_aa_mix,
                struct nid_path *path, int depth)
{
    struct via_spec *spec = codec->spec;
    hda_nid_t conn[8];
    int i, nums;

    if (nid == spec->aa_mix_nid) {
        if (!with_aa_mix)
            return false;
        with_aa_mix = 2; /* mark aa-mix is included */
    }

    nums = snd_hda_get_connections(codec, nid, conn, ARRAY_SIZE(conn));
    for (i = 0; i < nums; i++) {
        if (get_wcaps_type(get_wcaps(codec, conn[i])) != AC_WID_AUD_OUT)
            continue;
        if (conn[i] == target_dac || is_empty_dac(codec, conn[i])) {
            /* aa-mix is requested but not included? */
            if (!(spec->aa_mix_nid && with_aa_mix == 1))
                goto found;
        }
    }
    if (depth >= MAX_NID_PATH_DEPTH)
        return false;
    for (i = 0; i < nums; i++) {
        unsigned int type;
        type = get_wcaps_type(get_wcaps(codec, conn[i]));
        if (type == AC_WID_AUD_OUT)
            continue;
        if (__parse_output_path(codec, conn[i], target_dac,
                    with_aa_mix, path, depth + 1))
            goto found;
    }
    return false;

 found:
    path->path[path->depth] = conn[i];
    path->idx[path->depth] = i;
    if (nums > 1 && get_wcaps_type(get_wcaps(codec, nid)) != AC_WID_AUD_MIX)
        path->multi[path->depth] = 1;
    path->depth++;
    return true;
}

static bool parse_output_path(struct hda_codec *codec, hda_nid_t nid,
                  hda_nid_t target_dac, int with_aa_mix,
                  struct nid_path *path)
{
    if (__parse_output_path(codec, nid, target_dac, with_aa_mix, path, 1)) {
        path->path[path->depth] = nid;
        path->depth++;
        snd_printdd("output-path: depth=%d, %02x/%02x/%02x/%02x/%02x\n",
                path->depth, path->path[0], path->path[1],
                path->path[2], path->path[3], path->path[4]);
        return true;
    }
    return false;
}

static int via_auto_fill_dac_nids(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    const struct auto_pin_cfg *cfg = &spec->autocfg;
    int i;
    hda_nid_t nid;

    spec->multiout.num_dacs = 0;
    spec->multiout.dac_nids = spec->private_dac_nids;
    for (i = 0; i < cfg->line_outs; i++) {
        hda_nid_t dac = 0;
        nid = cfg->line_out_pins[i];
        if (!nid)
            continue;
        if (parse_output_path(codec, nid, 0, 0, &spec->out_path[i]))
            dac = spec->out_path[i].path[0];
        if (!i && parse_output_path(codec, nid, dac, 1,
                        &spec->out_mix_path))
            dac = spec->out_mix_path.path[0];
        if (dac)
            spec->private_dac_nids[spec->multiout.num_dacs++] = dac;
    }
    if (!spec->out_path[0].depth && spec->out_mix_path.depth) {
        spec->out_path[0] = spec->out_mix_path;
        spec->out_mix_path.depth = 0;
    }
    return 0;
}

static int create_ch_ctls(struct hda_codec *codec, const char *pfx,
              int chs, bool check_dac, struct nid_path *path)
{
    struct via_spec *spec = codec->spec;
    char name[32];
    hda_nid_t dac, pin, sel, nid;
    int err;

    dac = check_dac ? path->path[0] : 0;
    pin = path->path[path->depth - 1];
    sel = path->depth > 1 ? path->path[1] : 0;

    if (dac && check_amp_caps(codec, dac, HDA_OUTPUT, AC_AMPCAP_NUM_STEPS))
        nid = dac;
    else if (check_amp_caps(codec, pin, HDA_OUTPUT, AC_AMPCAP_NUM_STEPS))
        nid = pin;
    else if (check_amp_caps(codec, sel, HDA_OUTPUT, AC_AMPCAP_NUM_STEPS))
        nid = sel;
    else
        nid = 0;
    if (nid) {
        sprintf(name, "%s Playback Volume", pfx);
        err = via_add_control(spec, VIA_CTL_WIDGET_VOL, name,
                  HDA_COMPOSE_AMP_VAL(nid, chs, 0, HDA_OUTPUT));
        if (err < 0)
            return err;
        path->vol_ctl = nid;
    }

    if (dac && check_amp_caps(codec, dac, HDA_OUTPUT, AC_AMPCAP_MUTE))
        nid = dac;
    else if (check_amp_caps(codec, pin, HDA_OUTPUT, AC_AMPCAP_MUTE))
        nid = pin;
    else if (check_amp_caps(codec, sel, HDA_OUTPUT, AC_AMPCAP_MUTE))
        nid = sel;
    else
        nid = 0;
    if (nid) {
        sprintf(name, "%s Playback Switch", pfx);
        err = via_add_control(spec, VIA_CTL_WIDGET_MUTE, name,
                  HDA_COMPOSE_AMP_VAL(nid, chs, 0, HDA_OUTPUT));
        if (err < 0)
            return err;
        path->mute_ctl = nid;
    }
    return 0;
}

static void mangle_smart51(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    struct auto_pin_cfg *cfg = &spec->autocfg;
    struct auto_pin_cfg_item *ins = cfg->inputs;
    int i, j, nums, attr;
    int pins[AUTO_CFG_MAX_INS];

    for (attr = INPUT_PIN_ATTR_REAR; attr >= INPUT_PIN_ATTR_NORMAL; attr--) {
        nums = 0;
        for (i = 0; i < cfg->num_inputs; i++) {
            unsigned int def;
            if (ins[i].type > AUTO_PIN_LINE_IN)
                continue;
            def = snd_hda_codec_get_pincfg(codec, ins[i].pin);
            if (snd_hda_get_input_pin_attr(def) != attr)
                continue;
            for (j = 0; j < nums; j++)
                if (ins[pins[j]].type < ins[i].type) {
                    memmove(pins + j + 1, pins + j,
                        (nums - j) * sizeof(int));
                    break;
                }
            pins[j] = i;
            nums++;
        }
        if (cfg->line_outs + nums < 3)
            continue;
        for (i = 0; i < nums; i++) {
            hda_nid_t pin = ins[pins[i]].pin;
            spec->smart51_pins[spec->smart51_nums++] = pin;
            cfg->line_out_pins[cfg->line_outs++] = pin;
            if (cfg->line_outs == 3)
                break;
        }
        return;
    }
}

static void copy_path_mixer_ctls(struct nid_path *dst, struct nid_path *src)
{
    dst->vol_ctl = src->vol_ctl;
    dst->mute_ctl = src->mute_ctl;
}

/* add playback controls from the parsed DAC table */
static int via_auto_create_multi_out_ctls(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    struct auto_pin_cfg *cfg = &spec->autocfg;
    struct nid_path *path;
    static const char * const chname[4] = {
        "Front", "Surround", "C/LFE", "Side"
    };
    int i, idx, err;
    int old_line_outs;

    /* check smart51 */
    old_line_outs = cfg->line_outs;
    if (cfg->line_outs == 1)
        mangle_smart51(codec);

    err = via_auto_fill_dac_nids(codec);
    if (err < 0)
        return err;

    if (spec->multiout.num_dacs < 3) {
        spec->smart51_nums = 0;
        cfg->line_outs = old_line_outs;
    }
    for (i = 0; i < cfg->line_outs; i++) {
        hda_nid_t pin, dac;
        pin = cfg->line_out_pins[i];
        dac = spec->multiout.dac_nids[i];
        if (!pin || !dac)
            continue;
        path = spec->out_path + i;
        if (i == HDA_CLFE) {
            err = create_ch_ctls(codec, "Center", 1, true, path);
            if (err < 0)
                return err;
            err = create_ch_ctls(codec, "LFE", 2, true, path);
            if (err < 0)
                return err;
        } else {
            const char *pfx = chname[i];
            if (cfg->line_out_type == AUTO_PIN_SPEAKER_OUT &&
                cfg->line_outs == 1)
                pfx = "Speaker";
            err = create_ch_ctls(codec, pfx, 3, true, path);
            if (err < 0)
                return err;
        }
        if (path != spec->out_path + i)
            copy_path_mixer_ctls(&spec->out_path[i], path);
        if (path == spec->out_path && spec->out_mix_path.depth)
            copy_path_mixer_ctls(&spec->out_mix_path, path);
    }

    idx = get_connection_index(codec, spec->aa_mix_nid,
                   spec->multiout.dac_nids[0]);
    if (idx >= 0) {
        /* add control to mixer */
        const char *name;
        name = spec->out_mix_path.depth ?
            "PCM Loopback Playback Volume" : "PCM Playback Volume";
        err = via_add_control(spec, VIA_CTL_WIDGET_VOL, name,
                      HDA_COMPOSE_AMP_VAL(spec->aa_mix_nid, 3,
                              idx, HDA_INPUT));
        if (err < 0)
            return err;
        name = spec->out_mix_path.depth ?
            "PCM Loopback Playback Switch" : "PCM Playback Switch";
        err = via_add_control(spec, VIA_CTL_WIDGET_MUTE, name,
                      HDA_COMPOSE_AMP_VAL(spec->aa_mix_nid, 3,
                              idx, HDA_INPUT));
        if (err < 0)
            return err;
    }

    cfg->line_outs = old_line_outs;

    return 0;
}

static int via_auto_create_hp_ctls(struct hda_codec *codec, hda_nid_t pin)
{
    struct via_spec *spec = codec->spec;
    struct nid_path *path;
    bool check_dac;
    int i, err;

    if (!pin)
        return 0;

    if (!parse_output_path(codec, pin, 0, 0, &spec->hp_indep_path)) {
        for (i = HDA_SIDE; i >= HDA_CLFE; i--) {
            if (i < spec->multiout.num_dacs &&
                parse_output_path(codec, pin,
                          spec->multiout.dac_nids[i], 0,
                          &spec->hp_indep_path)) {
                spec->hp_indep_shared = i;
                break;
            }
        }
    }
    if (spec->hp_indep_path.depth) {
        spec->hp_dac_nid = spec->hp_indep_path.path[0];
        if (!spec->hp_indep_shared)
            spec->hp_path = spec->hp_indep_path;
    }
    /* optionally check front-path w/o AA-mix */
    if (!spec->hp_path.depth)
        parse_output_path(codec, pin,
                  spec->multiout.dac_nids[HDA_FRONT], 0,
                  &spec->hp_path);

    if (!parse_output_path(codec, pin, spec->multiout.dac_nids[HDA_FRONT],
                   1, &spec->hp_mix_path) && !spec->hp_path.depth)
        return 0;

    if (spec->hp_path.depth) {
        path = &spec->hp_path;
        check_dac = true;
    } else {
        path = &spec->hp_mix_path;
        check_dac = false;
    }
    err = create_ch_ctls(codec, "Headphone", 3, check_dac, path);
    if (err < 0)
        return err;
    if (check_dac)
        copy_path_mixer_ctls(&spec->hp_mix_path, path);
    else
        copy_path_mixer_ctls(&spec->hp_path, path);
    if (spec->hp_indep_path.depth)
        copy_path_mixer_ctls(&spec->hp_indep_path, path);
    return 0;
}

static int via_auto_create_speaker_ctls(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    struct nid_path *path;
    bool check_dac;
    hda_nid_t pin, dac = 0;
    int err;

    pin = spec->autocfg.speaker_pins[0];
    if (!spec->autocfg.speaker_outs || !pin)
        return 0;

    if (parse_output_path(codec, pin, 0, 0, &spec->speaker_path))
        dac = spec->speaker_path.path[0];
    if (!dac)
        parse_output_path(codec, pin,
                  spec->multiout.dac_nids[HDA_FRONT], 0,
                  &spec->speaker_path);
    if (!parse_output_path(codec, pin, spec->multiout.dac_nids[HDA_FRONT],
                   1, &spec->speaker_mix_path) && !dac)
        return 0;

    /* no AA-path for front? */
    if (!spec->out_mix_path.depth && spec->speaker_mix_path.depth)
        dac = 0;

    spec->speaker_dac_nid = dac;
    spec->multiout.extra_out_nid[0] = dac;
    if (dac) {
        path = &spec->speaker_path;
        check_dac = true;
    } else {
        path = &spec->speaker_mix_path;
        check_dac = false;
    }
    err = create_ch_ctls(codec, "Speaker", 3, check_dac, path);
    if (err < 0)
        return err;
    if (check_dac)
        copy_path_mixer_ctls(&spec->speaker_mix_path, path);
    else
        copy_path_mixer_ctls(&spec->speaker_path, path);
    return 0;
}

#define via_aamix_ctl_info  via_pin_power_ctl_info

static int via_aamix_ctl_get(struct snd_kcontrol *kcontrol,
                 struct snd_ctl_elem_value *ucontrol)
{
    struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
    struct via_spec *spec = codec->spec;
    ucontrol->value.enumerated.item[0] = spec->aamix_mode;
    return 0;
}

static void update_aamix_paths(struct hda_codec *codec, int do_mix,
                   struct nid_path *nomix, struct nid_path *mix)
{
    if (do_mix) {
        activate_output_path(codec, nomix, false, false);
        activate_output_path(codec, mix, true, false);
    } else {
        activate_output_path(codec, mix, false, false);
        activate_output_path(codec, nomix, true, false);
    }
}

static int via_aamix_ctl_put(struct snd_kcontrol *kcontrol,
                 struct snd_ctl_elem_value *ucontrol)
{
    struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
    struct via_spec *spec = codec->spec;
    unsigned int val = ucontrol->value.enumerated.item[0];

    if (val == spec->aamix_mode)
        return 0;
    spec->aamix_mode = val;
    /* update front path */
    update_aamix_paths(codec, val, &spec->out_path[0], &spec->out_mix_path);
    /* update HP path */
    if (!spec->hp_independent_mode) {
        update_aamix_paths(codec, val, &spec->hp_path,
                   &spec->hp_mix_path);
    }
    /* update speaker path */
    update_aamix_paths(codec, val, &spec->speaker_path,
               &spec->speaker_mix_path);
    return 1;
}

static const struct snd_kcontrol_new via_aamix_ctl_enum = {
    .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
    .name = "Loopback Mixing",
    .info = via_aamix_ctl_info,
    .get = via_aamix_ctl_get,
    .put = via_aamix_ctl_put,
};

static int via_auto_create_loopback_switch(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;

    if (!spec->aa_mix_nid)
        return 0; /* no loopback switching available */
    if (!(spec->out_mix_path.depth || spec->hp_mix_path.depth ||
          spec->speaker_path.depth))
        return 0; /* no loopback switching available */
    if (!via_clone_control(spec, &via_aamix_ctl_enum))
        return -ENOMEM;
    return 0;
}

/* look for ADCs */
static int via_fill_adcs(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    hda_nid_t nid = codec->start_nid;
    int i;

    for (i = 0; i < codec->num_nodes; i++, nid++) {
        unsigned int wcaps = get_wcaps(codec, nid);
        if (get_wcaps_type(wcaps) != AC_WID_AUD_IN)
            continue;
        if (wcaps & AC_WCAP_DIGITAL)
            continue;
        if (!(wcaps & AC_WCAP_CONN_LIST))
            continue;
        if (spec->num_adc_nids >= ARRAY_SIZE(spec->adc_nids))
            return -ENOMEM;
        spec->adc_nids[spec->num_adc_nids++] = nid;
    }
    return 0;
}

/* input-src control */
static int via_mux_enum_info(struct snd_kcontrol *kcontrol,
                 struct snd_ctl_elem_info *uinfo)
{
    struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
    struct via_spec *spec = codec->spec;

    uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
    uinfo->count = 1;
    uinfo->value.enumerated.items = spec->num_inputs;
    if (uinfo->value.enumerated.item >= spec->num_inputs)
        uinfo->value.enumerated.item = spec->num_inputs - 1;
    strcpy(uinfo->value.enumerated.name,
           spec->inputs[uinfo->value.enumerated.item].label);
    return 0;
}

static int via_mux_enum_get(struct snd_kcontrol *kcontrol,
                struct snd_ctl_elem_value *ucontrol)
{
    struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
    struct via_spec *spec = codec->spec;
    unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);

    ucontrol->value.enumerated.item[0] = spec->cur_mux[idx];
    return 0;
}

static int via_mux_enum_put(struct snd_kcontrol *kcontrol,
                struct snd_ctl_elem_value *ucontrol)
{
    struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
    struct via_spec *spec = codec->spec;
    unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
    hda_nid_t mux;
    int cur;

    cur = ucontrol->value.enumerated.item[0];
    if (cur < 0 || cur >= spec->num_inputs)
        return -EINVAL;
    if (spec->cur_mux[idx] == cur)
        return 0;
    spec->cur_mux[idx] = cur;
    if (spec->dyn_adc_switch) {
        int adc_idx = spec->inputs[cur].adc_idx;
        mux = spec->mux_nids[adc_idx];
        via_dyn_adc_pcm_resetup(codec, cur);
    } else {
        mux = spec->mux_nids[idx];
        if (snd_BUG_ON(!mux))
            return -EINVAL;
    }

    if (mux) {
        /* switch to D0 beofre change index */
        update_power_state(codec, mux, AC_PWRST_D0);
        snd_hda_codec_write(codec, mux, 0,
                    AC_VERB_SET_CONNECT_SEL,
                    spec->inputs[cur].mux_idx);
    }

    /* update jack power state */
    set_widgets_power_state(codec);
    return 0;
}

static const struct snd_kcontrol_new via_input_src_ctl = {
    .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
    /* The multiple "Capture Source" controls confuse alsamixer
     * So call somewhat different..
     */
    /* .name = "Capture Source", */
    .name = "Input Source",
    .info = via_mux_enum_info,
    .get = via_mux_enum_get,
    .put = via_mux_enum_put,
};

static int create_input_src_ctls(struct hda_codec *codec, int count)
{
    struct via_spec *spec = codec->spec;
    struct snd_kcontrol_new *knew;

    if (spec->num_inputs <= 1 || !count)
        return 0; /* no need for single src */

    knew = via_clone_control(spec, &via_input_src_ctl);
    if (!knew)
        return -ENOMEM;
    knew->count = count;
    return 0;
}

/* add the powersave loopback-list entry */
static void add_loopback_list(struct via_spec *spec, hda_nid_t mix, int idx)
{
    struct hda_amp_list *list;

    if (spec->num_loopbacks >= ARRAY_SIZE(spec->loopback_list) - 1)
        return;
    list = spec->loopback_list + spec->num_loopbacks;
    list->nid = mix;
    list->dir = HDA_INPUT;
    list->idx = idx;
    spec->num_loopbacks++;
    spec->loopback.amplist = spec->loopback_list;
}

static bool is_reachable_nid(struct hda_codec *codec, hda_nid_t src,
                 hda_nid_t dst)
{
    return snd_hda_get_conn_index(codec, src, dst, 1) >= 0;
}

/* add the input-route to the given pin */
static bool add_input_route(struct hda_codec *codec, hda_nid_t pin)
{
    struct via_spec *spec = codec->spec;
    int c, idx;

    spec->inputs[spec->num_inputs].adc_idx = -1;
    spec->inputs[spec->num_inputs].pin = pin;
    for (c = 0; c < spec->num_adc_nids; c++) {
        if (spec->mux_nids[c]) {
            idx = get_connection_index(codec, spec->mux_nids[c],
                           pin);
            if (idx < 0)
                continue;
            spec->inputs[spec->num_inputs].mux_idx = idx;
        } else {
            if (!is_reachable_nid(codec, spec->adc_nids[c], pin))
                continue;
        }
        spec->inputs[spec->num_inputs].adc_idx = c;
        /* Can primary ADC satisfy all inputs? */
        if (!spec->dyn_adc_switch &&
            spec->num_inputs > 0 && spec->inputs[0].adc_idx != c) {
            snd_printd(KERN_INFO
                   "via: dynamic ADC switching enabled\n");
            spec->dyn_adc_switch = 1;
        }
        return true;
    }
    return false;
}

static int get_mux_nids(struct hda_codec *codec);

/* parse input-routes; fill ADCs, MUXs and input-src entries */
static int parse_analog_inputs(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    const struct auto_pin_cfg *cfg = &spec->autocfg;
    int i, err;

    err = via_fill_adcs(codec);
    if (err < 0)
        return err;
    err = get_mux_nids(codec);
    if (err < 0)
        return err;

    /* fill all input-routes */
    for (i = 0; i < cfg->num_inputs; i++) {
        if (add_input_route(codec, cfg->inputs[i].pin))
            spec->inputs[spec->num_inputs++].label =
                hda_get_autocfg_input_label(codec, cfg, i);
    }

    /* check for internal loopback recording */
    if (spec->aa_mix_nid &&
        add_input_route(codec, spec->aa_mix_nid))
        spec->inputs[spec->num_inputs++].label = "Stereo Mixer";

    return 0;
}

/* create analog-loopback volume/switch controls */
static int create_loopback_ctls(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    const struct auto_pin_cfg *cfg = &spec->autocfg;
    const char *prev_label = NULL;
    int type_idx = 0;
    int i, j, err, idx;

    if (!spec->aa_mix_nid)
        return 0;

    for (i = 0; i < cfg->num_inputs; i++) {
        hda_nid_t pin = cfg->inputs[i].pin;
        const char *label = hda_get_autocfg_input_label(codec, cfg, i);

        if (prev_label && !strcmp(label, prev_label))
            type_idx++;
        else
            type_idx = 0;
        prev_label = label;
        idx = get_connection_index(codec, spec->aa_mix_nid, pin);
        if (idx >= 0) {
            err = via_new_analog_input(spec, label, type_idx,
                           idx, spec->aa_mix_nid);
            if (err < 0)
                return err;
            add_loopback_list(spec, spec->aa_mix_nid, idx);
        }

        /* remember the label for smart51 control */
        for (j = 0; j < spec->smart51_nums; j++) {
            if (spec->smart51_pins[j] == pin) {
                spec->smart51_idxs[j] = idx;
                spec->smart51_labels[j] = label;
                break;
            }
        }
    }
    return 0;
}

/* create mic-boost controls (if present) */
static int create_mic_boost_ctls(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    const struct auto_pin_cfg *cfg = &spec->autocfg;
    const char *prev_label = NULL;
    int type_idx = 0;
    int i, err;

    for (i = 0; i < cfg->num_inputs; i++) {
        hda_nid_t pin = cfg->inputs[i].pin;
        unsigned int caps;
        const char *label;
        char name[32];

        if (cfg->inputs[i].type != AUTO_PIN_MIC)
            continue;
        caps = query_amp_caps(codec, pin, HDA_INPUT);
        if (caps == -1 || !(caps & AC_AMPCAP_NUM_STEPS))
            continue;
        label = hda_get_autocfg_input_label(codec, cfg, i);
        if (prev_label && !strcmp(label, prev_label))
            type_idx++;
        else
            type_idx = 0;
        prev_label = label;
        snprintf(name, sizeof(name), "%s Boost Volume", label);
        err = __via_add_control(spec, VIA_CTL_WIDGET_VOL, name, type_idx,
                  HDA_COMPOSE_AMP_VAL(pin, 3, 0, HDA_INPUT));
        if (err < 0)
            return err;
    }
    return 0;
}

/* create capture and input-src controls for multiple streams */
static int create_multi_adc_ctls(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    int i, err;

    /* create capture mixer elements */
    for (i = 0; i < spec->num_adc_nids; i++) {
        hda_nid_t adc = spec->adc_nids[i];
        err = __via_add_control(spec, VIA_CTL_WIDGET_VOL,
                    "Capture Volume", i,
                    HDA_COMPOSE_AMP_VAL(adc, 3, 0,
                                HDA_INPUT));
        if (err < 0)
            return err;
        err = __via_add_control(spec, VIA_CTL_WIDGET_MUTE,
                    "Capture Switch", i,
                    HDA_COMPOSE_AMP_VAL(adc, 3, 0,
                                HDA_INPUT));
        if (err < 0)
            return err;
    }

    /* input-source control */
    for (i = 0; i < spec->num_adc_nids; i++)
        if (!spec->mux_nids[i])
            break;
    err = create_input_src_ctls(codec, i);
    if (err < 0)
        return err;
    return 0;
}

/* bind capture volume/switch */
static struct snd_kcontrol_new via_bind_cap_vol_ctl =
    HDA_BIND_VOL("Capture Volume", 0);
static struct snd_kcontrol_new via_bind_cap_sw_ctl =
    HDA_BIND_SW("Capture Switch", 0);

static int init_bind_ctl(struct via_spec *spec, struct hda_bind_ctls **ctl_ret,
             struct hda_ctl_ops *ops)
{
    struct hda_bind_ctls *ctl;
    int i;

    ctl = kzalloc(sizeof(*ctl) + sizeof(long) * 4, GFP_KERNEL);
    if (!ctl)
        return -ENOMEM;
    ctl->ops = ops;
    for (i = 0; i < spec->num_adc_nids; i++)
        ctl->values[i] =
            HDA_COMPOSE_AMP_VAL(spec->adc_nids[i], 3, 0, HDA_INPUT);
    *ctl_ret = ctl;
    return 0;
}

/* create capture and input-src controls for dynamic ADC-switch case */
static int create_dyn_adc_ctls(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    struct snd_kcontrol_new *knew;
    int err;

    /* set up the bind capture ctls */
    err = init_bind_ctl(spec, &spec->bind_cap_vol, &snd_hda_bind_vol);
    if (err < 0)
        return err;
    err = init_bind_ctl(spec, &spec->bind_cap_sw, &snd_hda_bind_sw);
    if (err < 0)
        return err;

    /* create capture mixer elements */
    knew = via_clone_control(spec, &via_bind_cap_vol_ctl);
    if (!knew)
        return -ENOMEM;
    knew->private_value = (long)spec->bind_cap_vol;

    knew = via_clone_control(spec, &via_bind_cap_sw_ctl);
    if (!knew)
        return -ENOMEM;
    knew->private_value = (long)spec->bind_cap_sw;

    /* input-source control */
    err = create_input_src_ctls(codec, 1);
    if (err < 0)
        return err;
    return 0;
}

/* parse and create capture-related stuff */
static int via_auto_create_analog_input_ctls(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    int err;

    err = parse_analog_inputs(codec);
    if (err < 0)
        return err;
    if (spec->dyn_adc_switch)
        err = create_dyn_adc_ctls(codec);
    else
        err = create_multi_adc_ctls(codec);
    if (err < 0)
        return err;
    err = create_loopback_ctls(codec);
    if (err < 0)
        return err;
    err = create_mic_boost_ctls(codec);
    if (err < 0)
        return err;
    return 0;
}

static void vt1708_set_pinconfig_connect(struct hda_codec *codec, hda_nid_t nid)
{
    unsigned int def_conf;
    unsigned char seqassoc;

    def_conf = snd_hda_codec_get_pincfg(codec, nid);
    seqassoc = (unsigned char) get_defcfg_association(def_conf);
    seqassoc = (seqassoc << 4) | get_defcfg_sequence(def_conf);
    if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE
        && (seqassoc == 0xf0 || seqassoc == 0xff)) {
        def_conf = def_conf & (~(AC_JACK_PORT_BOTH << 30));
        snd_hda_codec_set_pincfg(codec, nid, def_conf);
    }

    return;
}

static int vt1708_jack_detect_get(struct snd_kcontrol *kcontrol,
                     struct snd_ctl_elem_value *ucontrol)
{
    struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
    struct via_spec *spec = codec->spec;

    if (spec->codec_type != VT1708)
        return 0;
    ucontrol->value.integer.value[0] = spec->vt1708_jack_detect;
    return 0;
}

static int vt1708_jack_detect_put(struct snd_kcontrol *kcontrol,
                     struct snd_ctl_elem_value *ucontrol)
{
    struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
    struct via_spec *spec = codec->spec;
    int val;

    if (spec->codec_type != VT1708)
        return 0;
    val = !!ucontrol->value.integer.value[0];
    if (spec->vt1708_jack_detect == val)
        return 0;
    spec->vt1708_jack_detect = val;
    if (spec->vt1708_jack_detect &&
        snd_hda_get_bool_hint(codec, "analog_loopback_hp_detect") != 1) {
        mute_aa_path(codec, 1);
        notify_aa_path_ctls(codec);
    }
    via_hp_automute(codec);
    vt1708_update_hp_work(spec);
    return 1;
}

static const struct snd_kcontrol_new vt1708_jack_detect_ctl = {
    .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
    .name = "Jack Detect",
    .count = 1,
    .info = snd_ctl_boolean_mono_info,
    .get = vt1708_jack_detect_get,
    .put = vt1708_jack_detect_put,
};

static void fill_dig_outs(struct hda_codec *codec);
static void fill_dig_in(struct hda_codec *codec);

static int via_parse_auto_config(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    int err;

    err = snd_hda_parse_pin_def_config(codec, &spec->autocfg, NULL);
    if (err < 0)
        return err;
    if (!spec->autocfg.line_outs && !spec->autocfg.hp_pins[0])
        return -EINVAL;

    err = via_auto_create_multi_out_ctls(codec);
    if (err < 0)
        return err;
    err = via_auto_create_hp_ctls(codec, spec->autocfg.hp_pins[0]);
    if (err < 0)
        return err;
    err = via_auto_create_speaker_ctls(codec);
    if (err < 0)
        return err;
    err = via_auto_create_loopback_switch(codec);
    if (err < 0)
        return err;
    err = via_auto_create_analog_input_ctls(codec);
    if (err < 0)
        return err;

    spec->multiout.max_channels = spec->multiout.num_dacs * 2;

    fill_dig_outs(codec);
    fill_dig_in(codec);

    if (spec->kctls.list)
        spec->mixers[spec->num_mixers++] = spec->kctls.list;


    if (spec->hp_dac_nid && spec->hp_mix_path.depth) {
        err = via_hp_build(codec);
        if (err < 0)
            return err;
    }

    err = via_smart51_build(codec);
    if (err < 0)
        return err;

    /* assign slave outs */
    if (spec->slave_dig_outs[0])
        codec->slave_dig_outs = spec->slave_dig_outs;

    return 1;
}

static void via_auto_init_dig_outs(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    if (spec->multiout.dig_out_nid)
        init_output_pin(codec, spec->autocfg.dig_out_pins[0], PIN_OUT);
    if (spec->slave_dig_outs[0])
        init_output_pin(codec, spec->autocfg.dig_out_pins[1], PIN_OUT);
}

static void via_auto_init_dig_in(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    if (!spec->dig_in_nid)
        return;
    snd_hda_set_pin_ctl(codec, spec->autocfg.dig_in_pin, PIN_IN);
}

static void via_jack_output_event(struct hda_codec *codec, struct hda_jack_tbl *tbl)
{
    set_widgets_power_state(codec);
    via_hp_automute(codec);
}

static void via_jack_powerstate_event(struct hda_codec *codec, struct hda_jack_tbl *tbl)
{
    set_widgets_power_state(codec);
}

/* initialize the unsolicited events */
static void via_auto_init_unsol_event(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    struct auto_pin_cfg *cfg = &spec->autocfg;
    unsigned int ev;
    int i;
    hda_jack_callback cb;

    if (cfg->hp_pins[0] && is_jack_detectable(codec, cfg->hp_pins[0]))
        snd_hda_jack_detect_enable_callback(codec, cfg->hp_pins[0],
                            VIA_HP_EVENT | VIA_JACK_EVENT,
                            via_jack_output_event);

    if (cfg->speaker_pins[0])
        ev = VIA_LINE_EVENT;
    else
        ev = 0;
    cb = ev ? via_jack_output_event : via_jack_powerstate_event;

    for (i = 0; i < cfg->line_outs; i++) {
        if (cfg->line_out_pins[i] &&
            is_jack_detectable(codec, cfg->line_out_pins[i]))
            snd_hda_jack_detect_enable_callback(codec, cfg->line_out_pins[i],
                                ev | VIA_JACK_EVENT, cb);
    }

    for (i = 0; i < cfg->num_inputs; i++) {
        if (is_jack_detectable(codec, cfg->inputs[i].pin))
            snd_hda_jack_detect_enable_callback(codec, cfg->inputs[i].pin,
                                VIA_JACK_EVENT,
                                via_jack_powerstate_event);
    }
}

static int via_init(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    int i;

    for (i = 0; i < spec->num_iverbs; i++)
        snd_hda_sequence_write(codec, spec->init_verbs[i]);

    /* init power states */
    set_widgets_power_state(codec);
    __analog_low_current_mode(codec, true);

    via_auto_init_multi_out(codec);
    via_auto_init_hp_out(codec);
    via_auto_init_speaker_out(codec);
    via_auto_init_analog_input(codec);
    via_auto_init_dig_outs(codec);
    via_auto_init_dig_in(codec);

    via_auto_init_unsol_event(codec);

    via_hp_automute(codec);
    vt1708_update_hp_work(spec);

    return 0;
}

static void vt1708_update_hp_jack_state(struct work_struct *work)
{
    struct via_spec *spec = container_of(work, struct via_spec,
                         vt1708_hp_work.work);
    if (spec->codec_type != VT1708)
        return;
    snd_hda_jack_set_dirty_all(spec->codec);
    /* if jack state toggled */
    if (spec->vt1708_hp_present
        != snd_hda_jack_detect(spec->codec, spec->autocfg.hp_pins[0])) {
        spec->vt1708_hp_present ^= 1;
        via_hp_automute(spec->codec);
    }
    if (spec->vt1708_jack_detect)
        schedule_delayed_work(&spec->vt1708_hp_work,
                      msecs_to_jiffies(100));
}

static int get_mux_nids(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    hda_nid_t nid, conn[8];
    unsigned int type;
    int i, n;

    for (i = 0; i < spec->num_adc_nids; i++) {
        nid = spec->adc_nids[i];
        while (nid) {
            type = get_wcaps_type(get_wcaps(codec, nid));
            if (type == AC_WID_PIN)
                break;
            n = snd_hda_get_connections(codec, nid, conn,
                            ARRAY_SIZE(conn));
            if (n <= 0)
                break;
            if (n > 1) {
                spec->mux_nids[i] = nid;
                break;
            }
            nid = conn[0];
        }
    }
    return 0;
}

static int patch_vt1708(struct hda_codec *codec)
{
    struct via_spec *spec;
    int err;

    /* create a codec specific record */
    spec = via_new_spec(codec);
    if (spec == NULL)
        return -ENOMEM;

    spec->aa_mix_nid = 0x17;

    /* Add HP and CD pin config connect bit re-config action */
    vt1708_set_pinconfig_connect(codec, VT1708_HP_PIN_NID);
    vt1708_set_pinconfig_connect(codec, VT1708_CD_PIN_NID);

    /* automatic parse from the BIOS config */
    err = via_parse_auto_config(codec);
    if (err < 0) {
        via_free(codec);
        return err;
    }

    /* add jack detect on/off control */
    if (!via_clone_control(spec, &vt1708_jack_detect_ctl))
        return -ENOMEM;

    /* disable 32bit format on VT1708 */
    if (codec->vendor_id == 0x11061708)
        spec->stream_analog_playback = &vt1708_pcm_analog_s16_playback;

    spec->init_verbs[spec->num_iverbs++] = vt1708_init_verbs;

    codec->patch_ops = via_patch_ops;

    INIT_DELAYED_WORK(&spec->vt1708_hp_work, vt1708_update_hp_jack_state);
    return 0;
}

static int patch_vt1709(struct hda_codec *codec)
{
    struct via_spec *spec;
    int err;

    /* create a codec specific record */
    spec = via_new_spec(codec);
    if (spec == NULL)
        return -ENOMEM;

    spec->aa_mix_nid = 0x18;

    err = via_parse_auto_config(codec);
    if (err < 0) {
        via_free(codec);
        return err;
    }

    codec->patch_ops = via_patch_ops;

    return 0;
}

static void set_widgets_power_state_vt1708B(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    int imux_is_smixer;
    unsigned int parm;
    int is_8ch = 0;
    if ((spec->codec_type != VT1708B_4CH) &&
        (codec->vendor_id != 0x11064397))
        is_8ch = 1;

    /* SW0 (17h) = stereo mixer */
    imux_is_smixer =
    (snd_hda_codec_read(codec, 0x17, 0, AC_VERB_GET_CONNECT_SEL, 0x00)
     == ((spec->codec_type == VT1708S) ? 5 : 0));
    /* inputs */
    /* PW 1/2/5 (1ah/1bh/1eh) */
    parm = AC_PWRST_D3;
    set_pin_power_state(codec, 0x1a, &parm);
    set_pin_power_state(codec, 0x1b, &parm);
    set_pin_power_state(codec, 0x1e, &parm);
    if (imux_is_smixer)
        parm = AC_PWRST_D0;
    /* SW0 (17h), AIW 0/1 (13h/14h) */
    update_power_state(codec, 0x17, parm);
    update_power_state(codec, 0x13, parm);
    update_power_state(codec, 0x14, parm);

    /* outputs */
    /* PW0 (19h), SW1 (18h), AOW1 (11h) */
    parm = AC_PWRST_D3;
    set_pin_power_state(codec, 0x19, &parm);
    if (spec->smart51_enabled)
        set_pin_power_state(codec, 0x1b, &parm);
    update_power_state(codec, 0x18, parm);
    update_power_state(codec, 0x11, parm);

    /* PW6 (22h), SW2 (26h), AOW2 (24h) */
    if (is_8ch) {
        parm = AC_PWRST_D3;
        set_pin_power_state(codec, 0x22, &parm);
        if (spec->smart51_enabled)
            set_pin_power_state(codec, 0x1a, &parm);
        update_power_state(codec, 0x26, parm);
        update_power_state(codec, 0x24, parm);
    } else if (codec->vendor_id == 0x11064397) {
        /* PW7(23h), SW2(27h), AOW2(25h) */
        parm = AC_PWRST_D3;
        set_pin_power_state(codec, 0x23, &parm);
        if (spec->smart51_enabled)
            set_pin_power_state(codec, 0x1a, &parm);
        update_power_state(codec, 0x27, parm);
        update_power_state(codec, 0x25, parm);
    }

    /* PW 3/4/7 (1ch/1dh/23h) */
    parm = AC_PWRST_D3;
    /* force to D0 for internal Speaker */
    set_pin_power_state(codec, 0x1c, &parm);
    set_pin_power_state(codec, 0x1d, &parm);
    if (is_8ch)
        set_pin_power_state(codec, 0x23, &parm);

    /* MW0 (16h), Sw3 (27h), AOW 0/3 (10h/25h) */
    update_power_state(codec, 0x16, imux_is_smixer ? AC_PWRST_D0 : parm);
    update_power_state(codec, 0x10, parm);
    if (is_8ch) {
        update_power_state(codec, 0x25, parm);
        update_power_state(codec, 0x27, parm);
    } else if (codec->vendor_id == 0x11064397 && spec->hp_independent_mode)
        update_power_state(codec, 0x25, parm);
}

static int patch_vt1708S(struct hda_codec *codec);
static int patch_vt1708B(struct hda_codec *codec)
{
    struct via_spec *spec;
    int err;

    if (get_codec_type(codec) == VT1708BCE)
        return patch_vt1708S(codec);

    /* create a codec specific record */
    spec = via_new_spec(codec);
    if (spec == NULL)
        return -ENOMEM;

    spec->aa_mix_nid = 0x16;

    /* automatic parse from the BIOS config */
    err = via_parse_auto_config(codec);
    if (err < 0) {
        via_free(codec);
        return err;
    }

    codec->patch_ops = via_patch_ops;

    spec->set_widgets_power_state =  set_widgets_power_state_vt1708B;

    return 0;
}

/* Patch for VT1708S */
static const struct hda_verb vt1708S_init_verbs[] = {
    /* Enable Mic Boost Volume backdoor */
    {0x1, 0xf98, 0x1},
    /* don't bybass mixer */
    {0x1, 0xf88, 0xc0},
    { }
};

/* fill out digital output widgets; one for master and one for slave outputs */
static void fill_dig_outs(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    int i;

    for (i = 0; i < spec->autocfg.dig_outs; i++) {
        hda_nid_t nid;
        int conn;

        nid = spec->autocfg.dig_out_pins[i];
        if (!nid)
            continue;
        conn = snd_hda_get_connections(codec, nid, &nid, 1);
        if (conn < 1)
            continue;
        if (!spec->multiout.dig_out_nid)
            spec->multiout.dig_out_nid = nid;
        else {
            spec->slave_dig_outs[0] = nid;
            break; /* at most two dig outs */
        }
    }
}

static void fill_dig_in(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    hda_nid_t dig_nid;
    int i, err;

    if (!spec->autocfg.dig_in_pin)
        return;

    dig_nid = codec->start_nid;
    for (i = 0; i < codec->num_nodes; i++, dig_nid++) {
        unsigned int wcaps = get_wcaps(codec, dig_nid);
        if (get_wcaps_type(wcaps) != AC_WID_AUD_IN)
            continue;
        if (!(wcaps & AC_WCAP_DIGITAL))
            continue;
        if (!(wcaps & AC_WCAP_CONN_LIST))
            continue;
        err = get_connection_index(codec, dig_nid,
                       spec->autocfg.dig_in_pin);
        if (err >= 0) {
            spec->dig_in_nid = dig_nid;
            break;
        }
    }
}

static void override_mic_boost(struct hda_codec *codec, hda_nid_t pin,
                   int offset, int num_steps, int step_size)
{
    snd_hda_override_amp_caps(codec, pin, HDA_INPUT,
                  (offset << AC_AMPCAP_OFFSET_SHIFT) |
                  (num_steps << AC_AMPCAP_NUM_STEPS_SHIFT) |
                  (step_size << AC_AMPCAP_STEP_SIZE_SHIFT) |
                  (0 << AC_AMPCAP_MUTE_SHIFT));
}

static int patch_vt1708S(struct hda_codec *codec)
{
    struct via_spec *spec;
    int err;

    /* create a codec specific record */
    spec = via_new_spec(codec);
    if (spec == NULL)
        return -ENOMEM;

    spec->aa_mix_nid = 0x16;
    override_mic_boost(codec, 0x1a, 0, 3, 40);
    override_mic_boost(codec, 0x1e, 0, 3, 40);

    /* automatic parse from the BIOS config */
    err = via_parse_auto_config(codec);
    if (err < 0) {
        via_free(codec);
        return err;
    }

    spec->init_verbs[spec->num_iverbs++] = vt1708S_init_verbs;

    codec->patch_ops = via_patch_ops;

    /* correct names for VT1708BCE */
    if (get_codec_type(codec) == VT1708BCE) {
        kfree(codec->chip_name);
        codec->chip_name = kstrdup("VT1708BCE", GFP_KERNEL);
        snprintf(codec->bus->card->mixername,
             sizeof(codec->bus->card->mixername),
             "%s %s", codec->vendor_name, codec->chip_name);
    }
    /* correct names for VT1705 */
    if (codec->vendor_id == 0x11064397) {
        kfree(codec->chip_name);
        codec->chip_name = kstrdup("VT1705", GFP_KERNEL);
        snprintf(codec->bus->card->mixername,
             sizeof(codec->bus->card->mixername),
             "%s %s", codec->vendor_name, codec->chip_name);
    }
    spec->set_widgets_power_state =  set_widgets_power_state_vt1708B;
    return 0;
}

/* Patch for VT1702 */

static const struct hda_verb vt1702_init_verbs[] = {
    /* mixer enable */
    {0x1, 0xF88, 0x3},
    /* GPIO 0~2 */
    {0x1, 0xF82, 0x3F},
    { }
};

static void set_widgets_power_state_vt1702(struct hda_codec *codec)
{
    int imux_is_smixer =
    snd_hda_codec_read(codec, 0x13, 0, AC_VERB_GET_CONNECT_SEL, 0x00) == 3;
    unsigned int parm;
    /* inputs */
    /* PW 1/2/5 (14h/15h/18h) */
    parm = AC_PWRST_D3;
    set_pin_power_state(codec, 0x14, &parm);
    set_pin_power_state(codec, 0x15, &parm);
    set_pin_power_state(codec, 0x18, &parm);
    if (imux_is_smixer)
        parm = AC_PWRST_D0; /* SW0 (13h) = stereo mixer (idx 3) */
    /* SW0 (13h), AIW 0/1/2 (12h/1fh/20h) */
    update_power_state(codec, 0x13, parm);
    update_power_state(codec, 0x12, parm);
    update_power_state(codec, 0x1f, parm);
    update_power_state(codec, 0x20, parm);

    /* outputs */
    /* PW 3/4 (16h/17h) */
    parm = AC_PWRST_D3;
    set_pin_power_state(codec, 0x17, &parm);
    set_pin_power_state(codec, 0x16, &parm);
    /* MW0 (1ah), AOW 0/1 (10h/1dh) */
    update_power_state(codec, 0x1a, imux_is_smixer ? AC_PWRST_D0 : parm);
    update_power_state(codec, 0x10, parm);
    update_power_state(codec, 0x1d, parm);
}

static int patch_vt1702(struct hda_codec *codec)
{
    struct via_spec *spec;
    int err;

    /* create a codec specific record */
    spec = via_new_spec(codec);
    if (spec == NULL)
        return -ENOMEM;

    spec->aa_mix_nid = 0x1a;

    /* limit AA path volume to 0 dB */
    snd_hda_override_amp_caps(codec, 0x1A, HDA_INPUT,
                  (0x17 << AC_AMPCAP_OFFSET_SHIFT) |
                  (0x17 << AC_AMPCAP_NUM_STEPS_SHIFT) |
                  (0x5 << AC_AMPCAP_STEP_SIZE_SHIFT) |
                  (1 << AC_AMPCAP_MUTE_SHIFT));

    /* automatic parse from the BIOS config */
    err = via_parse_auto_config(codec);
    if (err < 0) {
        via_free(codec);
        return err;
    }

    spec->init_verbs[spec->num_iverbs++] = vt1702_init_verbs;

    codec->patch_ops = via_patch_ops;

    spec->set_widgets_power_state =  set_widgets_power_state_vt1702;
    return 0;
}

/* Patch for VT1718S */

static const struct hda_verb vt1718S_init_verbs[] = {
    /* Enable MW0 adjust Gain 5 */
    {0x1, 0xfb2, 0x10},
    /* Enable Boost Volume backdoor */
    {0x1, 0xf88, 0x8},

    { }
};

static void set_widgets_power_state_vt1718S(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    int imux_is_smixer;
    unsigned int parm, parm2;
    /* MUX6 (1eh) = stereo mixer */
    imux_is_smixer =
    snd_hda_codec_read(codec, 0x1e, 0, AC_VERB_GET_CONNECT_SEL, 0x00) == 5;
    /* inputs */
    /* PW 5/6/7 (29h/2ah/2bh) */
    parm = AC_PWRST_D3;
    set_pin_power_state(codec, 0x29, &parm);
    set_pin_power_state(codec, 0x2a, &parm);
    set_pin_power_state(codec, 0x2b, &parm);
    if (imux_is_smixer)
        parm = AC_PWRST_D0;
    /* MUX6/7 (1eh/1fh), AIW 0/1 (10h/11h) */
    update_power_state(codec, 0x1e, parm);
    update_power_state(codec, 0x1f, parm);
    update_power_state(codec, 0x10, parm);
    update_power_state(codec, 0x11, parm);

    /* outputs */
    /* PW3 (27h), MW2 (1ah), AOW3 (bh) */
    parm = AC_PWRST_D3;
    set_pin_power_state(codec, 0x27, &parm);
    update_power_state(codec, 0x1a, parm);
    parm2 = parm; /* for pin 0x0b */

    /* PW2 (26h), AOW2 (ah) */
    parm = AC_PWRST_D3;
    set_pin_power_state(codec, 0x26, &parm);
    if (spec->smart51_enabled)
        set_pin_power_state(codec, 0x2b, &parm);
    update_power_state(codec, 0xa, parm);

    /* PW0 (24h), AOW0 (8h) */
    parm = AC_PWRST_D3;
    set_pin_power_state(codec, 0x24, &parm);
    if (!spec->hp_independent_mode) /* check for redirected HP */
        set_pin_power_state(codec, 0x28, &parm);
    update_power_state(codec, 0x8, parm);
    if (!spec->hp_independent_mode && parm2 != AC_PWRST_D3)
        parm = parm2;
    update_power_state(codec, 0xb, parm);
    /* MW9 (21h), Mw2 (1ah), AOW0 (8h) */
    update_power_state(codec, 0x21, imux_is_smixer ? AC_PWRST_D0 : parm);

    /* PW1 (25h), AOW1 (9h) */
    parm = AC_PWRST_D3;
    set_pin_power_state(codec, 0x25, &parm);
    if (spec->smart51_enabled)
        set_pin_power_state(codec, 0x2a, &parm);
    update_power_state(codec, 0x9, parm);

    if (spec->hp_independent_mode) {
        /* PW4 (28h), MW3 (1bh), MUX1(34h), AOW4 (ch) */
        parm = AC_PWRST_D3;
        set_pin_power_state(codec, 0x28, &parm);
        update_power_state(codec, 0x1b, parm);
        update_power_state(codec, 0x34, parm);
        update_power_state(codec, 0xc, parm);
    }
}

/* Add a connection to the primary DAC from AA-mixer for some codecs
 * This isn't listed from the raw info, but the chip has a secret connection.
 */
static int add_secret_dac_path(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    int i, nums;
    hda_nid_t conn[8];
    hda_nid_t nid;

    if (!spec->aa_mix_nid)
        return 0;
    nums = snd_hda_get_connections(codec, spec->aa_mix_nid, conn,
                       ARRAY_SIZE(conn) - 1);
    for (i = 0; i < nums; i++) {
        if (get_wcaps_type(get_wcaps(codec, conn[i])) == AC_WID_AUD_OUT)
            return 0;
    }

    /* find the primary DAC and add to the connection list */
    nid = codec->start_nid;
    for (i = 0; i < codec->num_nodes; i++, nid++) {
        unsigned int caps = get_wcaps(codec, nid);
        if (get_wcaps_type(caps) == AC_WID_AUD_OUT &&
            !(caps & AC_WCAP_DIGITAL)) {
            conn[nums++] = nid;
            return snd_hda_override_conn_list(codec,
                              spec->aa_mix_nid,
                              nums, conn);
        }
    }
    return 0;
}


static int patch_vt1718S(struct hda_codec *codec)
{
    struct via_spec *spec;
    int err;

    /* create a codec specific record */
    spec = via_new_spec(codec);
    if (spec == NULL)
        return -ENOMEM;

    spec->aa_mix_nid = 0x21;
    override_mic_boost(codec, 0x2b, 0, 3, 40);
    override_mic_boost(codec, 0x29, 0, 3, 40);
    add_secret_dac_path(codec);

    /* automatic parse from the BIOS config */
    err = via_parse_auto_config(codec);
    if (err < 0) {
        via_free(codec);
        return err;
    }

    spec->init_verbs[spec->num_iverbs++] = vt1718S_init_verbs;

    codec->patch_ops = via_patch_ops;

    spec->set_widgets_power_state =  set_widgets_power_state_vt1718S;

    return 0;
}

/* Patch for VT1716S */

static int vt1716s_dmic_info(struct snd_kcontrol *kcontrol,
                struct snd_ctl_elem_info *uinfo)
{
    uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
    uinfo->count = 1;
    uinfo->value.integer.min = 0;
    uinfo->value.integer.max = 1;
    return 0;
}

static int vt1716s_dmic_get(struct snd_kcontrol *kcontrol,
               struct snd_ctl_elem_value *ucontrol)
{
    struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
    int index = 0;

    index = snd_hda_codec_read(codec, 0x26, 0,
                           AC_VERB_GET_CONNECT_SEL, 0);
    if (index != -1)
        *ucontrol->value.integer.value = index;

    return 0;
}

static int vt1716s_dmic_put(struct snd_kcontrol *kcontrol,
               struct snd_ctl_elem_value *ucontrol)
{
    struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
    struct via_spec *spec = codec->spec;
    int index = *ucontrol->value.integer.value;

    snd_hda_codec_write(codec, 0x26, 0,
                           AC_VERB_SET_CONNECT_SEL, index);
    spec->dmic_enabled = index;
    set_widgets_power_state(codec);
    return 1;
}

static const struct snd_kcontrol_new vt1716s_dmic_mixer[] = {
    HDA_CODEC_VOLUME("Digital Mic Capture Volume", 0x22, 0x0, HDA_INPUT),
    {
     .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
     .name = "Digital Mic Capture Switch",
     .subdevice = HDA_SUBDEV_NID_FLAG | 0x26,
     .count = 1,
     .info = vt1716s_dmic_info,
     .get = vt1716s_dmic_get,
     .put = vt1716s_dmic_put,
     },
    {}          /* end */
};


/* mono-out mixer elements */
static const struct snd_kcontrol_new vt1716S_mono_out_mixer[] = {
    HDA_CODEC_MUTE("Mono Playback Switch", 0x2a, 0x0, HDA_OUTPUT),
    { } /* end */
};

static const struct hda_verb vt1716S_init_verbs[] = {
    /* Enable Boost Volume backdoor */
    {0x1, 0xf8a, 0x80},
    /* don't bybass mixer */
    {0x1, 0xf88, 0xc0},
    /* Enable mono output */
    {0x1, 0xf90, 0x08},
    { }
};

static void set_widgets_power_state_vt1716S(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    int imux_is_smixer;
    unsigned int parm;
    unsigned int mono_out, present;
    /* SW0 (17h) = stereo mixer */
    imux_is_smixer =
    (snd_hda_codec_read(codec, 0x17, 0,
                AC_VERB_GET_CONNECT_SEL, 0x00) ==  5);
    /* inputs */
    /* PW 1/2/5 (1ah/1bh/1eh) */
    parm = AC_PWRST_D3;
    set_pin_power_state(codec, 0x1a, &parm);
    set_pin_power_state(codec, 0x1b, &parm);
    set_pin_power_state(codec, 0x1e, &parm);
    if (imux_is_smixer)
        parm = AC_PWRST_D0;
    /* SW0 (17h), AIW0(13h) */
    update_power_state(codec, 0x17, parm);
    update_power_state(codec, 0x13, parm);

    parm = AC_PWRST_D3;
    set_pin_power_state(codec, 0x1e, &parm);
    /* PW11 (22h) */
    if (spec->dmic_enabled)
        set_pin_power_state(codec, 0x22, &parm);
    else
        update_power_state(codec, 0x22, AC_PWRST_D3);

    /* SW2(26h), AIW1(14h) */
    update_power_state(codec, 0x26, parm);
    update_power_state(codec, 0x14, parm);

    /* outputs */
    /* PW0 (19h), SW1 (18h), AOW1 (11h) */
    parm = AC_PWRST_D3;
    set_pin_power_state(codec, 0x19, &parm);
    /* Smart 5.1 PW2(1bh) */
    if (spec->smart51_enabled)
        set_pin_power_state(codec, 0x1b, &parm);
    update_power_state(codec, 0x18, parm);
    update_power_state(codec, 0x11, parm);

    /* PW7 (23h), SW3 (27h), AOW3 (25h) */
    parm = AC_PWRST_D3;
    set_pin_power_state(codec, 0x23, &parm);
    /* Smart 5.1 PW1(1ah) */
    if (spec->smart51_enabled)
        set_pin_power_state(codec, 0x1a, &parm);
    update_power_state(codec, 0x27, parm);

    /* Smart 5.1 PW5(1eh) */
    if (spec->smart51_enabled)
        set_pin_power_state(codec, 0x1e, &parm);
    update_power_state(codec, 0x25, parm);

    /* Mono out */
    /* SW4(28h)->MW1(29h)-> PW12 (2ah)*/
    present = snd_hda_jack_detect(codec, 0x1c);

    if (present)
        mono_out = 0;
    else {
        present = snd_hda_jack_detect(codec, 0x1d);
        if (!spec->hp_independent_mode && present)
            mono_out = 0;
        else
            mono_out = 1;
    }
    parm = mono_out ? AC_PWRST_D0 : AC_PWRST_D3;
    update_power_state(codec, 0x28, parm);
    update_power_state(codec, 0x29, parm);
    update_power_state(codec, 0x2a, parm);

    /* PW 3/4 (1ch/1dh) */
    parm = AC_PWRST_D3;
    set_pin_power_state(codec, 0x1c, &parm);
    set_pin_power_state(codec, 0x1d, &parm);
    /* HP Independent Mode, power on AOW3 */
    if (spec->hp_independent_mode)
        update_power_state(codec, 0x25, parm);

    /* force to D0 for internal Speaker */
    /* MW0 (16h), AOW0 (10h) */
    update_power_state(codec, 0x16, imux_is_smixer ? AC_PWRST_D0 : parm);
    update_power_state(codec, 0x10, mono_out ? AC_PWRST_D0 : parm);
}

static int patch_vt1716S(struct hda_codec *codec)
{
    struct via_spec *spec;
    int err;

    /* create a codec specific record */
    spec = via_new_spec(codec);
    if (spec == NULL)
        return -ENOMEM;

    spec->aa_mix_nid = 0x16;
    override_mic_boost(codec, 0x1a, 0, 3, 40);
    override_mic_boost(codec, 0x1e, 0, 3, 40);

    /* automatic parse from the BIOS config */
    err = via_parse_auto_config(codec);
    if (err < 0) {
        via_free(codec);
        return err;
    }

    spec->init_verbs[spec->num_iverbs++]  = vt1716S_init_verbs;

    spec->mixers[spec->num_mixers] = vt1716s_dmic_mixer;
    spec->num_mixers++;

    spec->mixers[spec->num_mixers++] = vt1716S_mono_out_mixer;

    codec->patch_ops = via_patch_ops;

    spec->set_widgets_power_state = set_widgets_power_state_vt1716S;
    return 0;
}

/* for vt2002P */

static const struct hda_verb vt2002P_init_verbs[] = {
    /* Class-D speaker related verbs */
    {0x1, 0xfe0, 0x4},
    {0x1, 0xfe9, 0x80},
    {0x1, 0xfe2, 0x22},
    /* Enable Boost Volume backdoor */
    {0x1, 0xfb9, 0x24},
    /* Enable AOW0 to MW9 */
    {0x1, 0xfb8, 0x88},
    { }
};

static const struct hda_verb vt1802_init_verbs[] = {
    /* Enable Boost Volume backdoor */
    {0x1, 0xfb9, 0x24},
    /* Enable AOW0 to MW9 */
    {0x1, 0xfb8, 0x88},
    { }
};

static void set_widgets_power_state_vt2002P(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    int imux_is_smixer;
    unsigned int parm;
    unsigned int present;
    /* MUX9 (1eh) = stereo mixer */
    imux_is_smixer =
    snd_hda_codec_read(codec, 0x1e, 0, AC_VERB_GET_CONNECT_SEL, 0x00) == 3;
    /* inputs */
    /* PW 5/6/7 (29h/2ah/2bh) */
    parm = AC_PWRST_D3;
    set_pin_power_state(codec, 0x29, &parm);
    set_pin_power_state(codec, 0x2a, &parm);
    set_pin_power_state(codec, 0x2b, &parm);
    parm = AC_PWRST_D0;
    /* MUX9/10 (1eh/1fh), AIW 0/1 (10h/11h) */
    update_power_state(codec, 0x1e, parm);
    update_power_state(codec, 0x1f, parm);
    update_power_state(codec, 0x10, parm);
    update_power_state(codec, 0x11, parm);

    /* outputs */
    /* AOW0 (8h)*/
    update_power_state(codec, 0x8, parm);

    if (spec->codec_type == VT1802) {
        /* PW4 (28h), MW4 (18h), MUX4(38h) */
        parm = AC_PWRST_D3;
        set_pin_power_state(codec, 0x28, &parm);
        update_power_state(codec, 0x18, parm);
        update_power_state(codec, 0x38, parm);
    } else {
        /* PW4 (26h), MW4 (1ch), MUX4(37h) */
        parm = AC_PWRST_D3;
        set_pin_power_state(codec, 0x26, &parm);
        update_power_state(codec, 0x1c, parm);
        update_power_state(codec, 0x37, parm);
    }

    if (spec->codec_type == VT1802) {
        /* PW1 (25h), MW1 (15h), MUX1(35h), AOW1 (9h) */
        parm = AC_PWRST_D3;
        set_pin_power_state(codec, 0x25, &parm);
        update_power_state(codec, 0x15, parm);
        update_power_state(codec, 0x35, parm);
    } else {
        /* PW1 (25h), MW1 (19h), MUX1(35h), AOW1 (9h) */
        parm = AC_PWRST_D3;
        set_pin_power_state(codec, 0x25, &parm);
        update_power_state(codec, 0x19, parm);
        update_power_state(codec, 0x35, parm);
    }

    if (spec->hp_independent_mode)
        update_power_state(codec, 0x9, AC_PWRST_D0);

    /* Class-D */
    /* PW0 (24h), MW0(18h/14h), MUX0(34h) */
    present = snd_hda_jack_detect(codec, 0x25);

    parm = AC_PWRST_D3;
    set_pin_power_state(codec, 0x24, &parm);
    parm = present ? AC_PWRST_D3 : AC_PWRST_D0;
    if (spec->codec_type == VT1802)
        update_power_state(codec, 0x14, parm);
    else
        update_power_state(codec, 0x18, parm);
    update_power_state(codec, 0x34, parm);

    /* Mono Out */
    present = snd_hda_jack_detect(codec, 0x26);

    parm = present ? AC_PWRST_D3 : AC_PWRST_D0;
    if (spec->codec_type == VT1802) {
        /* PW15 (33h), MW8(1ch), MUX8(3ch) */
        update_power_state(codec, 0x33, parm);
        update_power_state(codec, 0x1c, parm);
        update_power_state(codec, 0x3c, parm);
    } else {
        /* PW15 (31h), MW8(17h), MUX8(3bh) */
        update_power_state(codec, 0x31, parm);
        update_power_state(codec, 0x17, parm);
        update_power_state(codec, 0x3b, parm);
    }
    /* MW9 (21h) */
    if (imux_is_smixer || !is_aa_path_mute(codec))
        update_power_state(codec, 0x21, AC_PWRST_D0);
    else
        update_power_state(codec, 0x21, AC_PWRST_D3);
}

/*
 * pin fix-up
 */
enum {
    VIA_FIXUP_INTMIC_BOOST,
    VIA_FIXUP_ASUS_G75,
};

static void via_fixup_intmic_boost(struct hda_codec *codec,
                  const struct hda_fixup *fix, int action)
{
    if (action == HDA_FIXUP_ACT_PRE_PROBE)
        override_mic_boost(codec, 0x30, 0, 2, 40);
}

static const struct hda_fixup via_fixups[] = {
    [VIA_FIXUP_INTMIC_BOOST] = {
        .type = HDA_FIXUP_FUNC,
        .v.func = via_fixup_intmic_boost,
    },
    [VIA_FIXUP_ASUS_G75] = {
        .type = HDA_FIXUP_PINS,
        .v.pins = (const struct hda_pintbl[]) {
            /* set 0x24 and 0x33 as speakers */
            { 0x24, 0x991301f0 },
            { 0x33, 0x991301f1 }, /* subwoofer */
            { }
        }
    },
};

static const struct snd_pci_quirk vt2002p_fixups[] = {
    SND_PCI_QUIRK(0x1043, 0x1487, "Asus G75", VIA_FIXUP_ASUS_G75),
    SND_PCI_QUIRK(0x1043, 0x8532, "Asus X202E", VIA_FIXUP_INTMIC_BOOST),
    {}
};

/* NIDs 0x24 and 0x33 on VT1802 have connections to non-existing NID 0x3e
 * Replace this with mixer NID 0x1c
 */
static void fix_vt1802_connections(struct hda_codec *codec)
{
    static hda_nid_t conn_24[] = { 0x14, 0x1c };
    static hda_nid_t conn_33[] = { 0x1c };

    snd_hda_override_conn_list(codec, 0x24, ARRAY_SIZE(conn_24), conn_24);
    snd_hda_override_conn_list(codec, 0x33, ARRAY_SIZE(conn_33), conn_33);
}

/* patch for vt2002P */
static int patch_vt2002P(struct hda_codec *codec)
{
    struct via_spec *spec;
    int err;

    /* create a codec specific record */
    spec = via_new_spec(codec);
    if (spec == NULL)
        return -ENOMEM;

    spec->aa_mix_nid = 0x21;
    override_mic_boost(codec, 0x2b, 0, 3, 40);
    override_mic_boost(codec, 0x29, 0, 3, 40);
    if (spec->codec_type == VT1802)
        fix_vt1802_connections(codec);
    add_secret_dac_path(codec);

    snd_hda_pick_fixup(codec, NULL, vt2002p_fixups, via_fixups);
    snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PRE_PROBE);

    /* automatic parse from the BIOS config */
    err = via_parse_auto_config(codec);
    if (err < 0) {
        via_free(codec);
        return err;
    }

    if (spec->codec_type == VT1802)
        spec->init_verbs[spec->num_iverbs++] = vt1802_init_verbs;
    else
        spec->init_verbs[spec->num_iverbs++] = vt2002P_init_verbs;

    codec->patch_ops = via_patch_ops;

    spec->set_widgets_power_state =  set_widgets_power_state_vt2002P;
    return 0;
}

/* for vt1812 */

static const struct hda_verb vt1812_init_verbs[] = {
    /* Enable Boost Volume backdoor */
    {0x1, 0xfb9, 0x24},
    /* Enable AOW0 to MW9 */
    {0x1, 0xfb8, 0xa8},
    { }
};

static void set_widgets_power_state_vt1812(struct hda_codec *codec)
{
    struct via_spec *spec = codec->spec;
    unsigned int parm;
    unsigned int present;
    /* inputs */
    /* PW 5/6/7 (29h/2ah/2bh) */
    parm = AC_PWRST_D3;
    set_pin_power_state(codec, 0x29, &parm);
    set_pin_power_state(codec, 0x2a, &parm);
    set_pin_power_state(codec, 0x2b, &parm);
    parm = AC_PWRST_D0;
    /* MUX10/11 (1eh/1fh), AIW 0/1 (10h/11h) */
    update_power_state(codec, 0x1e, parm);
    update_power_state(codec, 0x1f, parm);
    update_power_state(codec, 0x10, parm);
    update_power_state(codec, 0x11, parm);

    /* outputs */
    /* AOW0 (8h)*/
    update_power_state(codec, 0x8, AC_PWRST_D0);

    /* PW4 (28h), MW4 (18h), MUX4(38h) */
    parm = AC_PWRST_D3;
    set_pin_power_state(codec, 0x28, &parm);
    update_power_state(codec, 0x18, parm);
    update_power_state(codec, 0x38, parm);

    /* PW1 (25h), MW1 (15h), MUX1(35h), AOW1 (9h) */
    parm = AC_PWRST_D3;
    set_pin_power_state(codec, 0x25, &parm);
    update_power_state(codec, 0x15, parm);
    update_power_state(codec, 0x35, parm);
    if (spec->hp_independent_mode)
        update_power_state(codec, 0x9, AC_PWRST_D0);

    /* Internal Speaker */
    /* PW0 (24h), MW0(14h), MUX0(34h) */
    present = snd_hda_jack_detect(codec, 0x25);

    parm = AC_PWRST_D3;
    set_pin_power_state(codec, 0x24, &parm);
    if (present) {
        update_power_state(codec, 0x14, AC_PWRST_D3);
        update_power_state(codec, 0x34, AC_PWRST_D3);
    } else {
        update_power_state(codec, 0x14, AC_PWRST_D0);
        update_power_state(codec, 0x34, AC_PWRST_D0);
    }


    /* Mono Out */
    /* PW13 (31h), MW13(1ch), MUX13(3ch), MW14(3eh) */
    present = snd_hda_jack_detect(codec, 0x28);

    parm = AC_PWRST_D3;
    set_pin_power_state(codec, 0x31, &parm);
    if (present) {
        update_power_state(codec, 0x1c, AC_PWRST_D3);
        update_power_state(codec, 0x3c, AC_PWRST_D3);
        update_power_state(codec, 0x3e, AC_PWRST_D3);
    } else {
        update_power_state(codec, 0x1c, AC_PWRST_D0);
        update_power_state(codec, 0x3c, AC_PWRST_D0);
        update_power_state(codec, 0x3e, AC_PWRST_D0);
    }

    /* PW15 (33h), MW15 (1dh), MUX15(3dh) */
    parm = AC_PWRST_D3;
    set_pin_power_state(codec, 0x33, &parm);
    update_power_state(codec, 0x1d, parm);
    update_power_state(codec, 0x3d, parm);

}

/* patch for vt1812 */
static int patch_vt1812(struct hda_codec *codec)
{
    struct via_spec *spec;
    int err;

    /* create a codec specific record */
    spec = via_new_spec(codec);
    if (spec == NULL)
        return -ENOMEM;

    spec->aa_mix_nid = 0x21;
    override_mic_boost(codec, 0x2b, 0, 3, 40);
    override_mic_boost(codec, 0x29, 0, 3, 40);
    add_secret_dac_path(codec);

    /* automatic parse from the BIOS config */
    err = via_parse_auto_config(codec);
    if (err < 0) {
        via_free(codec);
        return err;
    }

    spec->init_verbs[spec->num_iverbs++]  = vt1812_init_verbs;

    codec->patch_ops = via_patch_ops;

    spec->set_widgets_power_state =  set_widgets_power_state_vt1812;
    return 0;
}

/*
 * patch entries
 */
static const struct hda_codec_preset snd_hda_preset_via[] = {
    { .id = 0x11061708, .name = "VT1708", .patch = patch_vt1708},
    { .id = 0x11061709, .name = "VT1708", .patch = patch_vt1708},
    { .id = 0x1106170a, .name = "VT1708", .patch = patch_vt1708},
    { .id = 0x1106170b, .name = "VT1708", .patch = patch_vt1708},
    { .id = 0x1106e710, .name = "VT1709 10-Ch",
      .patch = patch_vt1709},
    { .id = 0x1106e711, .name = "VT1709 10-Ch",
      .patch = patch_vt1709},
    { .id = 0x1106e712, .name = "VT1709 10-Ch",
      .patch = patch_vt1709},
    { .id = 0x1106e713, .name = "VT1709 10-Ch",
      .patch = patch_vt1709},
    { .id = 0x1106e714, .name = "VT1709 6-Ch",
      .patch = patch_vt1709},
    { .id = 0x1106e715, .name = "VT1709 6-Ch",
      .patch = patch_vt1709},
    { .id = 0x1106e716, .name = "VT1709 6-Ch",
      .patch = patch_vt1709},
    { .id = 0x1106e717, .name = "VT1709 6-Ch",
      .patch = patch_vt1709},
    { .id = 0x1106e720, .name = "VT1708B 8-Ch",
      .patch = patch_vt1708B},
    { .id = 0x1106e721, .name = "VT1708B 8-Ch",
      .patch = patch_vt1708B},
    { .id = 0x1106e722, .name = "VT1708B 8-Ch",
      .patch = patch_vt1708B},
    { .id = 0x1106e723, .name = "VT1708B 8-Ch",
      .patch = patch_vt1708B},
    { .id = 0x1106e724, .name = "VT1708B 4-Ch",
      .patch = patch_vt1708B},
    { .id = 0x1106e725, .name = "VT1708B 4-Ch",
      .patch = patch_vt1708B},
    { .id = 0x1106e726, .name = "VT1708B 4-Ch",
      .patch = patch_vt1708B},
    { .id = 0x1106e727, .name = "VT1708B 4-Ch",
      .patch = patch_vt1708B},
    { .id = 0x11060397, .name = "VT1708S",
      .patch = patch_vt1708S},
    { .id = 0x11061397, .name = "VT1708S",
      .patch = patch_vt1708S},
    { .id = 0x11062397, .name = "VT1708S",
      .patch = patch_vt1708S},
    { .id = 0x11063397, .name = "VT1708S",
      .patch = patch_vt1708S},
    { .id = 0x11064397, .name = "VT1705",
      .patch = patch_vt1708S},
    { .id = 0x11065397, .name = "VT1708S",
      .patch = patch_vt1708S},
    { .id = 0x11066397, .name = "VT1708S",
      .patch = patch_vt1708S},
    { .id = 0x11067397, .name = "VT1708S",
      .patch = patch_vt1708S},
    { .id = 0x11060398, .name = "VT1702",
      .patch = patch_vt1702},
    { .id = 0x11061398, .name = "VT1702",
      .patch = patch_vt1702},
    { .id = 0x11062398, .name = "VT1702",
      .patch = patch_vt1702},
    { .id = 0x11063398, .name = "VT1702",
      .patch = patch_vt1702},
    { .id = 0x11064398, .name = "VT1702",
      .patch = patch_vt1702},
    { .id = 0x11065398, .name = "VT1702",
      .patch = patch_vt1702},
    { .id = 0x11066398, .name = "VT1702",
      .patch = patch_vt1702},
    { .id = 0x11067398, .name = "VT1702",
      .patch = patch_vt1702},
    { .id = 0x11060428, .name = "VT1718S",
      .patch = patch_vt1718S},
    { .id = 0x11064428, .name = "VT1718S",
      .patch = patch_vt1718S},
    { .id = 0x11060441, .name = "VT2020",
      .patch = patch_vt1718S},
    { .id = 0x11064441, .name = "VT1828S",
      .patch = patch_vt1718S},
    { .id = 0x11060433, .name = "VT1716S",
      .patch = patch_vt1716S},
    { .id = 0x1106a721, .name = "VT1716S",
      .patch = patch_vt1716S},
    { .id = 0x11060438, .name = "VT2002P", .patch = patch_vt2002P},
    { .id = 0x11064438, .name = "VT2002P", .patch = patch_vt2002P},
    { .id = 0x11060448, .name = "VT1812", .patch = patch_vt1812},
    { .id = 0x11060440, .name = "VT1818S",
      .patch = patch_vt1708S},
    { .id = 0x11060446, .name = "VT1802",
        .patch = patch_vt2002P},
    { .id = 0x11068446, .name = "VT1802",
        .patch = patch_vt2002P},
    {} /* terminator */
};

MODULE_ALIAS("snd-hda-codec-id:1106*");

static struct hda_codec_preset_list via_list = {
    .preset = snd_hda_preset_via,
    .owner = THIS_MODULE,
};

MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("VIA HD-audio codec");

static int __init patch_via_init(void)
{
    return snd_hda_add_codec_preset(&via_list);
}

static void __exit patch_via_exit(void)
{
    snd_hda_delete_codec_preset(&via_list);
}

module_init(patch_via_init)
module_exit(patch_via_exit)