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  *  Revision history
  14  *    8th Mar 2007   Initial version.
  15  *
  16  */
  17
  18 #include <linux/module.h>
  19 #include <linux/device.h>
  20 #include <sound/driver.h>
  21 #include <sound/core.h>
  22 #include <sound/pcm.h>
  23 #include <sound/soc.h>
  24 #include <sound/soc-dapm.h>
  25
  26 #include "../codecs/ac97.h"
  27 #include "s3c24xx-pcm.h"
  28 #include "s3c24xx-ac97.h"
  29
  30 static struct snd_soc_machine smdk2443;
  31
  32 static struct snd_soc_dai_link smdk2443_dai[] = {
  33 {
  34         .name = "AC97",
  35         .stream_name = "AC97 HiFi",
  36         .cpu_dai = &s3c2443_ac97_dai[0],
  37         .codec_dai = &ac97_dai,
  38 },
  39 };
  40
  41 static struct snd_soc_machine smdk2443 = {
  42         .name = "SMDK2443",
  43         .dai_link = smdk2443_dai,
  44         .num_links = ARRAY_SIZE(smdk2443_dai),
  45 };
  46
  47 static struct snd_soc_device smdk2443_snd_ac97_devdata = {
  48         .machine = &smdk2443,
  49         .platform = &s3c24xx_soc_platform,
  50         .codec_dev = &soc_codec_dev_ac97,
  51 };
  52
  53 static struct platform_device *smdk2443_snd_ac97_device;
  54
  55 static int __init smdk2443_init(void)
  56 {
  57         int ret;
  58
  59         smdk2443_snd_ac97_device = platform_device_alloc("soc-audio", -1);
  60         if (!smdk2443_snd_ac97_device)
  61                 return -ENOMEM;
  62
  63         platform_set_drvdata(smdk2443_snd_ac97_device,
  64                                 &smdk2443_snd_ac97_devdata);
  65         smdk2443_snd_ac97_devdata.dev = &smdk2443_snd_ac97_device->dev;
  66         ret = platform_device_add(smdk2443_snd_ac97_device);
  67
  68         if (ret)
  69                 platform_device_put(smdk2443_snd_ac97_device);
  70
  71         return ret;
  72 }
  73
  74 static void __exit smdk2443_exit(void)
  75 {
  76         platform_device_unregister(smdk2443_snd_ac97_device);
  77 }
  78
  79 module_init(smdk2443_init);
  80 module_exit(smdk2443_exit);
  81
  82 /* Module information */
  83 MODULE_AUTHOR("Graeme Gregory, graeme.gregory@wolfsonmicro.com, www.wolfsonmicro.com");
  84 MODULE_DESCRIPTION("ALSA SoC WM9710 SMDK2443");
  85 MODULE_LICENSE("GPL");