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Linux/sound/soc/codecs/pcm5102a.c

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  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");
 67 

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