sound/soc/sh/fsi-da7210.c

   1 /*
   2  * fsi-da7210.c
   3  *
   4  * Copyright (C) 2009 Renesas Solutions Corp.
   5  * Kuninori Morimoto <morimoto.kuninori@renesas.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/platform_device.h>
  14 #include <sound/sh_fsi.h>
  15
  16 static int fsi_da7210_init(struct snd_soc_pcm_runtime *rtd)
  17 {
  18         struct snd_soc_dai *dai = rtd->codec_dai;
  19
  20         return snd_soc_dai_set_fmt(dai,
  21                                    SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
  22                                    SND_SOC_DAIFMT_CBM_CFM);
  23 }
  24
  25 static struct snd_soc_dai_link fsi_da7210_dai = {
  26         .name           = "DA7210",
  27         .stream_name    = "DA7210",
  28         .cpu_dai_name   = "fsib-dai", /* FSI B */
  29         .codec_dai_name = "da7210-hifi",
  30         .platform_name  = "fsi-pcm-audio",
  31         .codec_name     = "da7210-codec.0-001a",
  32         .init           = fsi_da7210_init,
  33 };
  34
  35 static struct snd_soc_card fsi_soc_card = {
  36         .name           = "FSI",
  37         .dai_link       = &fsi_da7210_dai,
  38         .num_links      = 1,
  39 };
  40
  41 static struct platform_device *fsi_da7210_snd_device;
  42
  43 static int __init fsi_da7210_sound_init(void)
  44 {
  45         int ret;
  46
  47         fsi_da7210_snd_device = platform_device_alloc("soc-audio", FSI_PORT_B);
  48         if (!fsi_da7210_snd_device)
  49                 return -ENOMEM;
  50
  51         platform_set_drvdata(fsi_da7210_snd_device, &fsi_soc_card);
  52         ret = platform_device_add(fsi_da7210_snd_device);
  53         if (ret)
  54                 platform_device_put(fsi_da7210_snd_device);
  55
  56         return ret;
  57 }
  58
  59 static void __exit fsi_da7210_sound_exit(void)
  60 {
  61         platform_device_unregister(fsi_da7210_snd_device);
  62 }
  63
  64 module_init(fsi_da7210_sound_init);
  65 module_exit(fsi_da7210_sound_exit);
  66
  67 /* Module information */
  68 MODULE_DESCRIPTION("ALSA SoC FSI DA2710");
  69 MODULE_AUTHOR("Kuninori Morimoto <morimoto.kuninori@renesas.com>");
  70 MODULE_LICENSE("GPL");