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Linux/sound/soc/samsung/s3c24xx_simtec_tlv320aic23.c

  1 /* sound/soc/samsung/s3c24xx_simtec_tlv320aic23.c
  2  *
  3  * Copyright 2009 Simtec Electronics
  4  *
  5  * This program is free software; you can redistribute it and/or modify
  6  * it under the terms of the GNU General Public License version 2 as
  7  * published by the Free Software Foundation.
  8 */
  9 
 10 #include <linux/module.h>
 11 #include <sound/soc.h>
 12 
 13 #include "s3c24xx_simtec.h"
 14 
 15 /* supported machines:
 16  *
 17  * Machine      Connections             AMP
 18  * -------      -----------             ---
 19  * BAST         MIC, HPOUT, LOUT, LIN   TPA2001D1 (HPOUTL,R) (gain hardwired)
 20  * VR1000       HPOUT, LIN              None
 21  * VR2000       LIN, LOUT, MIC, HP      LM4871 (HPOUTL,R)
 22  * DePicture    LIN, LOUT, MIC, HP      LM4871 (HPOUTL,R)
 23  * Anubis       LIN, LOUT, MIC, HP      TPA2001D1 (HPOUTL,R)
 24  */
 25 
 26 static const struct snd_soc_dapm_widget dapm_widgets[] = {
 27         SND_SOC_DAPM_HP("Headphone Jack", NULL),
 28         SND_SOC_DAPM_LINE("Line In", NULL),
 29         SND_SOC_DAPM_LINE("Line Out", NULL),
 30         SND_SOC_DAPM_MIC("Mic Jack", NULL),
 31 };
 32 
 33 static const struct snd_soc_dapm_route base_map[] = {
 34         { "Headphone Jack", NULL, "LHPOUT"},
 35         { "Headphone Jack", NULL, "RHPOUT"},
 36 
 37         { "Line Out", NULL, "LOUT" },
 38         { "Line Out", NULL, "ROUT" },
 39 
 40         { "LLINEIN", NULL, "Line In"},
 41         { "RLINEIN", NULL, "Line In"},
 42 
 43         { "MICIN", NULL, "Mic Jack"},
 44 };
 45 
 46 /**
 47  * simtec_tlv320aic23_init - initialise and add controls
 48  * @codec; The codec instance to attach to.
 49  *
 50  * Attach our controls and configure the necessary codec
 51  * mappings for our sound card instance.
 52 */
 53 static int simtec_tlv320aic23_init(struct snd_soc_pcm_runtime *rtd)
 54 {
 55         struct snd_soc_codec *codec = rtd->codec;
 56         struct snd_soc_dapm_context *dapm = &codec->dapm;
 57 
 58         snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
 59         snd_soc_dapm_enable_pin(dapm, "Line In");
 60         snd_soc_dapm_enable_pin(dapm, "Line Out");
 61         snd_soc_dapm_enable_pin(dapm, "Mic Jack");
 62 
 63         simtec_audio_init(rtd);
 64 
 65         return 0;
 66 }
 67 
 68 static struct snd_soc_dai_link simtec_dai_aic23 = {
 69         .name           = "tlv320aic23",
 70         .stream_name    = "TLV320AIC23",
 71         .codec_name     = "tlv320aic3x-codec.0-001a",
 72         .cpu_dai_name   = "s3c24xx-iis",
 73         .codec_dai_name = "tlv320aic3x-hifi",
 74         .platform_name  = "s3c24xx-iis",
 75         .init           = simtec_tlv320aic23_init,
 76 };
 77 
 78 /* simtec audio machine driver */
 79 static struct snd_soc_card snd_soc_machine_simtec_aic23 = {
 80         .name           = "Simtec",
 81         .owner          = THIS_MODULE,
 82         .dai_link       = &simtec_dai_aic23,
 83         .num_links      = 1,
 84 
 85         .dapm_widgets   = dapm_widgets,
 86         .num_dapm_widgets = ARRAY_SIZE(dapm_widgets),
 87         .dapm_routes    = base_map,
 88         .num_dapm_routes = ARRAY_SIZE(base_map),
 89 };
 90 
 91 static int simtec_audio_tlv320aic23_probe(struct platform_device *pd)
 92 {
 93         return simtec_audio_core_probe(pd, &snd_soc_machine_simtec_aic23);
 94 }
 95 
 96 static struct platform_driver simtec_audio_tlv320aic23_driver = {
 97         .driver = {
 98                 .owner  = THIS_MODULE,
 99                 .name   = "s3c24xx-simtec-tlv320aic23",
100                 .pm     = simtec_audio_pm,
101         },
102         .probe  = simtec_audio_tlv320aic23_probe,
103         .remove = simtec_audio_remove,
104 };
105 
106 module_platform_driver(simtec_audio_tlv320aic23_driver);
107 
108 MODULE_ALIAS("platform:s3c24xx-simtec-tlv320aic23");
109 MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
110 MODULE_DESCRIPTION("ALSA SoC Simtec Audio support");
111 MODULE_LICENSE("GPL");
112 

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