sound/soc/codecs/pcm5102a.c

   1 /*
   2  * Driver for the PCM5102A codec
   3  *
   4  * Author:      Florian Meier <florian.meier@koalo.de>
   5  *              Copyright 2013
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * version 2 as published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  */
  16
  17 #include <linux/init.h>
  18 #include <linux/module.h>
  19 #include <linux/platform_device.h>
  20
  21 #include <sound/soc.h>
  22
  23 static struct snd_soc_dai_driver pcm5102a_dai = {
  24         .name = "pcm5102a-hifi",
  25         .playback = {
  26                 .channels_min = 2,
  27                 .channels_max = 2,
  28                 .rates = SNDRV_PCM_RATE_8000_192000,
  29                 .formats = SNDRV_PCM_FMTBIT_S16_LE |
  30                            SNDRV_PCM_FMTBIT_S24_LE |
  31                            SNDRV_PCM_FMTBIT_S32_LE
  32         },
  33 };
  34
  35 static struct snd_soc_component_driver soc_component_dev_pcm5102a = {
  36         .idle_bias_on           = 1,
  37         .use_pmdown_time        = 1,
  38         .endianness             = 1,
  39         .non_legacy_dai_naming  = 1,
  40 };
  41
  42 static int pcm5102a_probe(struct platform_device *pdev)
  43 {
  44         return devm_snd_soc_register_component(&pdev->dev, &soc_component_dev_pcm5102a,
  45                         &pcm5102a_dai, 1);
  46 }
  47
  48 static const struct of_device_id pcm5102a_of_match[] = {
  49         { .compatible = "ti,pcm5102a", },
  50         { }
  51 };
  52 MODULE_DEVICE_TABLE(of, pcm5102a_of_match);
  53
  54 static struct platform_driver pcm5102a_codec_driver = {
  55         .probe          = pcm5102a_probe,
  56         .driver         = {
  57                 .name   = "pcm5102a-codec",
  58                 .of_match_table = pcm5102a_of_match,
  59         },
  60 };
  61
  62 module_platform_driver(pcm5102a_codec_driver);
  63
  64 MODULE_DESCRIPTION("ASoC PCM5102A codec driver");
  65 MODULE_AUTHOR("Florian Meier <florian.meier@koalo.de>");
  66 MODULE_LICENSE("GPL v2");