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kernel/linux-rt-4.4.41/sound/soc/samsung/s3c24xx_simtec_tlv320aic23.c 2.69 KB
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  /* sound/soc/samsung/s3c24xx_simtec_tlv320aic23.c
   *
   * Copyright 2009 Simtec Electronics
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
  */
  
  #include <linux/module.h>
  #include <sound/soc.h>
  
  #include "s3c24xx_simtec.h"
  
  /* supported machines:
   *
   * Machine	Connections		AMP
   * -------	-----------		---
   * BAST		MIC, HPOUT, LOUT, LIN	TPA2001D1 (HPOUTL,R) (gain hardwired)
   * VR1000	HPOUT, LIN		None
   * VR2000	LIN, LOUT, MIC, HP	LM4871 (HPOUTL,R)
   * DePicture	LIN, LOUT, MIC, HP	LM4871 (HPOUTL,R)
   * Anubis	LIN, LOUT, MIC, HP	TPA2001D1 (HPOUTL,R)
   */
  
  static const struct snd_soc_dapm_widget dapm_widgets[] = {
  	SND_SOC_DAPM_HP("Headphone Jack", NULL),
  	SND_SOC_DAPM_LINE("Line In", NULL),
  	SND_SOC_DAPM_LINE("Line Out", NULL),
  	SND_SOC_DAPM_MIC("Mic Jack", NULL),
  };
  
  static const struct snd_soc_dapm_route base_map[] = {
  	{ "Headphone Jack", NULL, "LHPOUT"},
  	{ "Headphone Jack", NULL, "RHPOUT"},
  
  	{ "Line Out", NULL, "LOUT" },
  	{ "Line Out", NULL, "ROUT" },
  
  	{ "LLINEIN", NULL, "Line In"},
  	{ "RLINEIN", NULL, "Line In"},
  
  	{ "MICIN", NULL, "Mic Jack"},
  };
  
  /**
   * simtec_tlv320aic23_init - initialise and add controls
   * @codec; The codec instance to attach to.
   *
   * Attach our controls and configure the necessary codec
   * mappings for our sound card instance.
  */
  static int simtec_tlv320aic23_init(struct snd_soc_pcm_runtime *rtd)
  {
  	simtec_audio_init(rtd);
  
  	return 0;
  }
  
  static struct snd_soc_dai_link simtec_dai_aic23 = {
  	.name		= "tlv320aic23",
  	.stream_name	= "TLV320AIC23",
  	.codec_name	= "tlv320aic3x-codec.0-001a",
  	.cpu_dai_name	= "s3c24xx-iis",
  	.codec_dai_name = "tlv320aic3x-hifi",
  	.platform_name	= "s3c24xx-iis",
  	.init		= simtec_tlv320aic23_init,
  };
  
  /* simtec audio machine driver */
  static struct snd_soc_card snd_soc_machine_simtec_aic23 = {
  	.name		= "Simtec",
  	.owner		= THIS_MODULE,
  	.dai_link	= &simtec_dai_aic23,
  	.num_links	= 1,
  
  	.dapm_widgets	= dapm_widgets,
  	.num_dapm_widgets = ARRAY_SIZE(dapm_widgets),
  	.dapm_routes	= base_map,
  	.num_dapm_routes = ARRAY_SIZE(base_map),
  };
  
  static int simtec_audio_tlv320aic23_probe(struct platform_device *pd)
  {
  	return simtec_audio_core_probe(pd, &snd_soc_machine_simtec_aic23);
  }
  
  static struct platform_driver simtec_audio_tlv320aic23_driver = {
  	.driver	= {
  		.name	= "s3c24xx-simtec-tlv320aic23",
  		.pm	= simtec_audio_pm,
  	},
  	.probe	= simtec_audio_tlv320aic23_probe,
  	.remove	= simtec_audio_remove,
  };
  
  module_platform_driver(simtec_audio_tlv320aic23_driver);
  
  MODULE_ALIAS("platform:s3c24xx-simtec-tlv320aic23");
  MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
  MODULE_DESCRIPTION("ALSA SoC Simtec Audio support");
  MODULE_LICENSE("GPL");