LXR linux/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
  26static 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
  42static struct snd_soc_codec_driver soc_codec_dev_ad73311;
  43
  44static 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
  50static int __devexit ad73311_remove(struct platform_device *pdev)
  51{
  52        snd_soc_unregister_codec(&pdev->dev);
  53        return 0;
  54}
  55
  56static 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
  66static int __init ad73311_init(void)
  67{
  68        return platform_driver_register(&ad73311_codec_driver);
  69}
  70module_init(ad73311_init);
  71
  72static void __exit ad73311_exit(void)
  73{
  74        platform_driver_unregister(&ad73311_codec_driver);
  75}
  76module_exit(ad73311_exit);
  77
  78MODULE_DESCRIPTION("ASoC ad73311 driver");
  79MODULE_AUTHOR("Cliff Cai ");
  80MODULE_LICENSE("GPL");
  81