mixer.c File Reference

#include <linux/bitops.h>
#include <linux/init.h>
#include <linux/list.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/usb.h>
#include <linux/usb/audio.h>
#include <linux/usb/audio-v2.h>
#include <sound/core.h>
#include <sound/control.h>
#include <sound/hwdep.h>
#include <sound/info.h>
#include <sound/tlv.h>
#include "usbaudio.h"
#include "mixer.h"
#include "helper.h"
#include "mixer_quirks.h"
#include "power.h"
#include "mixer_maps.c"

Go to the source code of this file.

Data Structures
struct	usb_audio_term
struct	mixer_build
struct	iterm_name_combo
struct	usb_feature_control_info
struct	procunit_value_info
struct	procunit_info

Macros
#define	MAX_ID_ELEMS   256
#define	get_min_max(cval, def)   get_min_max_with_quirks(cval, def, NULL)
#define	MAX_ITEM_NAME_LEN   64

Enumerations
enum	{   USB_XU_CLOCK_RATE = 0xe301, USB_XU_CLOCK_SOURCE = 0xe302, USB_XU_DIGITAL_IO_STATUS = 0xe303, USB_XU_DEVICE_OPTIONS = 0xe304,   USB_XU_DIRECT_MONITORING = 0xe305, USB_XU_METERING = 0xe306 }
enum	{ USB_XU_CLOCK_SOURCE_SELECTOR = 0x02, USB_XU_CLOCK_RATE_SELECTOR = 0x03, USB_XU_DIGITAL_FORMAT_SELECTOR = 0x01, USB_XU_SOFT_LIMIT_SELECTOR = 0x03 }

Functions
int	snd_usb_mixer_set_ctl_value (struct usb_mixer_elem_info *cval, int request, int validx, int value_set)
int	snd_usb_mixer_vol_tlv (struct snd_kcontrol *kcontrol, int op_flag, unsigned int size, unsigned int __user *_tlv)
int	snd_usb_mixer_add_control (struct usb_mixer_interface *mixer, struct snd_kcontrol *kctl)
void	snd_usb_mixer_notify_id (struct usb_mixer_interface *mixer, int unitid)
void	snd_usb_mixer_inactivate (struct usb_mixer_interface *mixer)
int	snd_usb_mixer_activate (struct usb_mixer_interface *mixer)
int	snd_usb_create_mixer (struct snd_usb_audio *chip, int ctrlif, int ignore_error)
void	snd_usb_mixer_disconnect (struct list_head *p)

Variables
struct snd_kcontrol_new *	snd_usb_feature_unit_ctl = &usb_feature_unit_ctl

Macro Definition Documentation

#define get_min_max	(		cval,
			def
	)		get_min_max_with_quirks(cval, def, NULL)

Definition at line 962 of file mixer.c.

#define MAX_ID_ELEMS   256

Definition at line 66 of file mixer.c.

#define MAX_ITEM_NAME_LEN   64

Enumeration Type Documentation

anonymous enum

Enumerator:

USB_XU_CLOCK_RATE
USB_XU_CLOCK_SOURCE
USB_XU_DIGITAL_IO_STATUS
USB_XU_DEVICE_OPTIONS
USB_XU_DIRECT_MONITORING
USB_XU_METERING

Definition at line 90 of file mixer.c.

anonymous enum

Enumerator:

USB_XU_CLOCK_SOURCE_SELECTOR
USB_XU_CLOCK_RATE_SELECTOR
USB_XU_DIGITAL_FORMAT_SELECTOR
USB_XU_SOFT_LIMIT_SELECTOR

Definition at line 98 of file mixer.c.

Function Documentation

int snd_usb_create_mixer	(	struct snd_usb_audio *	chip,
		int	ctrlif,
		int	ignore_error
	)

Definition at line 2267 of file mixer.c.

int snd_usb_mixer_activate

(

struct usb_mixer_interface *

mixer

)

Definition at line 2221 of file mixer.c.

int snd_usb_mixer_add_control	(	struct usb_mixer_interface *	mixer,
		struct snd_kcontrol *	kctl
	)

Definition at line 550 of file mixer.c.

void snd_usb_mixer_disconnect

(

struct list_head *

p

)

Definition at line 2324 of file mixer.c.

void snd_usb_mixer_inactivate

(

struct usb_mixer_interface *

mixer

)

Definition at line 2215 of file mixer.c.

void snd_usb_mixer_notify_id	(	struct usb_mixer_interface *	mixer,
		int	unitid
	)

Definition at line 2066 of file mixer.c.

int snd_usb_mixer_set_ctl_value	(	struct usb_mixer_elem_info *	cval,
		int	request,
		int	validx,
		int	value_set
	)

Definition at line 428 of file mixer.c.

int snd_usb_mixer_vol_tlv	(	struct snd_kcontrol *	kcontrol,
		int	op_flag,
		unsigned int	size,
		unsigned int __user *	_tlv
	)

Definition at line 510 of file mixer.c.

Variable Documentation

struct snd_kcontrol_new* snd_usb_feature_unit_ctl = &usb_feature_unit_ctl

Definition at line 1086 of file mixer.c.