sound/soc/codecs/ad73311.c

   1 /*
   2  * ad73311.c  --  ALSA Soc AD73311 codec support
   3  *
   4  * Copyright:   Analog Device Inc.
   5  * Author:      Cliff Cai <cliff.cai@analog.com>
   6  *
   7  *  This program is free software; you can redistribute  it and/or modify it
   8  *  under  the terms of  the GNU General  Public License as published by the
   9  *  Free Software Foundation;  either version 2 of the  License, or (at your
  10  *  option) any later version.
  11  */
  12
  13 #include <linux/init.h>
  14 #include <linux/slab.h>
  15 #include <linux/module.h>
  16 #include <linux/kernel.h>
  17 #include <linux/device.h>
  18 #include <sound/core.h>
  19 #include <sound/pcm.h>
  20 #include <sound/ac97_codec.h>
  21 #include <sound/initval.h>
  22 #include <sound/soc.h>
  23
  24 #include "ad73311.h"
  25
  26 static struct snd_soc_dai_driver ad73311_dai = {
  27         .name = "ad73311-hifi",
  28         .playback = {
  29                 .stream_name = "Playback",
  30                 .channels_min = 1,
  31                 .channels_max = 1,
  32                 .rates = SNDRV_PCM_RATE_8000,
  33                 .formats = SNDRV_PCM_FMTBIT_S16_LE, },
  34         .capture = {
  35                 .stream_name = "Capture",
  36                 .channels_min = 1,
  37                 .channels_max = 1,
  38                 .rates = SNDRV_PCM_RATE_8000,
  39                 .formats = SNDRV_PCM_FMTBIT_S16_LE, },
  40 };
  41
  42 static struct snd_soc_codec_driver soc_codec_dev_ad73311;
  43
  44 static int ad73311_probe(struct platform_device *pdev)
  45 {
  46         return snd_soc_register_codec(&pdev->dev,
  47                         &soc_codec_dev_ad73311, &ad73311_dai, 1);
  48 }
  49
  50 static int __devexit ad73311_remove(struct platform_device *pdev)
  51 {
  52         snd_soc_unregister_codec(&pdev->dev);
  53         return 0;
  54 }
  55
  56 static struct platform_driver ad73311_codec_driver = {
  57         .driver = {
  58                         .name = "ad73311",
  59                         .owner = THIS_MODULE,
  60         },
  61
  62         .probe = ad73311_probe,
  63         .remove = __devexit_p(ad73311_remove),
  64 };
  65
  66 static int __init ad73311_init(void)
  67 {
  68         return platform_driver_register(&ad73311_codec_driver);
  69 }
  70 module_init(ad73311_init);
  71
  72 static void __exit ad73311_exit(void)
  73 {
  74         platform_driver_unregister(&ad73311_codec_driver);
  75 }
  76 module_exit(ad73311_exit);
  77
  78 MODULE_DESCRIPTION("ASoC ad73311 driver");
  79 MODULE_AUTHOR("Cliff Cai ");
  80 MODULE_LICENSE("GPL");