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