LXR linux/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
  23static 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
  35static 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
  42static 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
  48static const struct of_device_id pcm5102a_of_match[] = {
  49        { .compatible = "ti,pcm5102a", },
  50        { }
  51};
  52MODULE_DEVICE_TABLE(of, pcm5102a_of_match);
  53
  54static 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
  62module_platform_driver(pcm5102a_codec_driver);
  63
  64MODULE_DESCRIPTION("ASoC PCM5102A codec driver");
  65MODULE_AUTHOR("Florian Meier <florian.meier@koalo.de>");
  66MODULE_LICENSE("GPL v2");
  67