kernel/2.6.29.6-aldebaran-rt/sound/soc/s3c24xx/ln2440sbc_alc650.c

   1 /*
   2  * SoC audio for ln2440sbc
   3  *
   4  * Copyright 2007 KonekTel, a.s.
   5  * Author: Ivan Kuten
   6  *         ivan.kuten@promwad.com
   7  *
   8  * Heavily based on smdk2443_wm9710.c
   9  * Copyright 2007 Wolfson Microelectronics PLC.
  10  * Author: Graeme Gregory
  11  *         graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com
  12  *
  13  *  This program is free software; you can redistribute it and/or modify
  14  *  it under the terms of the GNU General Public License version 2 as
  15  *  published by the Free Software Foundation.
  16  *
  17  */
  18
  19 #include <linux/module.h>
  20 #include <linux/device.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_card ln2440sbc;
  31
  32 static struct snd_soc_dai_link ln2440sbc_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_card ln2440sbc = {
  42         .name = "LN2440SBC",
  43         .platform = &s3c24xx_soc_platform,
  44         .dai_link = ln2440sbc_dai,
  45         .num_links = ARRAY_SIZE(ln2440sbc_dai),
  46 };
  47
  48 static struct snd_soc_device ln2440sbc_snd_ac97_devdata = {
  49         .card = &ln2440sbc,
  50         .codec_dev = &soc_codec_dev_ac97,
  51 };
  52
  53 static struct platform_device *ln2440sbc_snd_ac97_device;
  54
  55 static int __init ln2440sbc_init(void)
  56 {
  57         int ret;
  58
  59         ln2440sbc_snd_ac97_device = platform_device_alloc("soc-audio", -1);
  60         if (!ln2440sbc_snd_ac97_device)
  61                 return -ENOMEM;
  62
  63         platform_set_drvdata(ln2440sbc_snd_ac97_device,
  64                                 &ln2440sbc_snd_ac97_devdata);
  65         ln2440sbc_snd_ac97_devdata.dev = &ln2440sbc_snd_ac97_device->dev;
  66         ret = platform_device_add(ln2440sbc_snd_ac97_device);
  67
  68         if (ret)
  69                 platform_device_put(ln2440sbc_snd_ac97_device);
  70
  71         return ret;
  72 }
  73
  74 static void __exit ln2440sbc_exit(void)
  75 {
  76         platform_device_unregister(ln2440sbc_snd_ac97_device);
  77 }
  78
  79 module_init(ln2440sbc_init);
  80 module_exit(ln2440sbc_exit);
  81
  82 /* Module information */
  83 MODULE_AUTHOR("Ivan Kuten");
  84 MODULE_DESCRIPTION("ALSA SoC ALC650 LN2440SBC");
  85 MODULE_LICENSE("GPL");