sound/soc/s3c24xx/smdk2443_wm9710.c

   1 /*
   2  * smdk2443_wm9710.c  --  SoC audio for smdk2443
   3  *
   4  * Copyright 2007 Wolfson Microelectronics PLC.
   5  * Author: Graeme Gregory
   6  *         graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com
   7  *
   8  *  This program is free software; you can redistribute  it and/or modify it
   9  *  under  the terms of  the GNU General  Public License as published by the
  10  *  Free Software Foundation;  either version 2 of the  License, or (at your
  11  *  option) any later version.
  12  *
  13  */
  14
  15 #include <linux/module.h>
  16 #include <linux/device.h>
  17 #include <sound/core.h>
  18 #include <sound/pcm.h>
  19 #include <sound/soc.h>
  20 #include <sound/soc-dapm.h>
  21
  22 #include "s3c-dma.h"
  23 #include "s3c-ac97.h"
  24
  25 static struct snd_soc_card smdk2443;
  26
  27 static struct snd_soc_dai_link smdk2443_dai[] = {
  28 {
  29         .name = "AC97",
  30         .stream_name = "AC97 HiFi",
  31         .cpu_dai_name = "s3c-ac97-dai",
  32         .codec_dai_name = "ac97-hifi",
  33         .codec_name = "ac97-codec",
  34         .platform_name = "s3c24xx-pcm-audio",
  35 },
  36 };
  37
  38 static struct snd_soc_card smdk2443 = {
  39         .name = "SMDK2443",
  40         .dai_link = smdk2443_dai,
  41         .num_links = ARRAY_SIZE(smdk2443_dai),
  42 };
  43
  44 static struct platform_device *smdk2443_snd_ac97_device;
  45
  46 static int __init smdk2443_init(void)
  47 {
  48         int ret;
  49
  50         smdk2443_snd_ac97_device = platform_device_alloc("soc-audio", -1);
  51         if (!smdk2443_snd_ac97_device)
  52                 return -ENOMEM;
  53
  54         platform_set_drvdata(smdk2443_snd_ac97_device, &smdk2443);
  55         ret = platform_device_add(smdk2443_snd_ac97_device);
  56
  57         if (ret)
  58                 platform_device_put(smdk2443_snd_ac97_device);
  59
  60         return ret;
  61 }
  62
  63 static void __exit smdk2443_exit(void)
  64 {
  65         platform_device_unregister(smdk2443_snd_ac97_device);
  66 }
  67
  68 module_init(smdk2443_init);
  69 module_exit(smdk2443_exit);
  70
  71 /* Module information */
  72 MODULE_AUTHOR("Graeme Gregory, graeme.gregory@wolfsonmicro.com, www.wolfsonmicro.com");
  73 MODULE_DESCRIPTION("ALSA SoC WM9710 SMDK2443");
  74 MODULE_LICENSE("GPL");