pvrusb2-wm8775.c

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/*
 *
 *
 *  Copyright (C) 2005 Mike Isely <[email protected]>
 *  Copyright (C) 2004 Aurelien Alleaume <[email protected]>
 *
 *  This program 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
 *
 *  This program 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
 *
 */

/*

   This source file is specifically designed to interface with the
   wm8775.

*/

#include "pvrusb2-wm8775.h"


#include "pvrusb2-hdw-internal.h"
#include "pvrusb2-debug.h"
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
#include <linux/errno.h>

void pvr2_wm8775_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
{
    if (hdw->input_dirty || hdw->force_dirty) {
        u32 input;

        switch (hdw->input_val) {
        case PVR2_CVAL_INPUT_RADIO:
            input = 1;
            break;
        default:
            /* All other cases just use the second input */
            input = 2;
            break;
        }
        pvr2_trace(PVR2_TRACE_CHIPS, "subdev wm8775"
               " set_input(val=%d route=0x%x)",
               hdw->input_val, input);

        sd->ops->audio->s_routing(sd, input, 0, 0);
    }
}



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