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Linux/sound/soc/txx9/txx9aclc-generic.c

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  1 /*
  2  * Generic TXx9 ACLC machine driver
  3  *
  4  * Copyright (C) 2009 Atsushi Nemoto
  5  *
  6  * Based on RBTX49xx patch from CELF patch archive.
  7  * (C) Copyright TOSHIBA CORPORATION 2004-2006
  8  *
  9  * This program is free software; you can redistribute it and/or modify
 10  * it under the terms of the GNU General Public License version 2 as
 11  * published by the Free Software Foundation.
 12  *
 13  * This is a very generic AC97 sound machine driver for boards which
 14  * have (AC97) audio at ACLC (e.g. RBTX49XX boards).
 15  */
 16 
 17 #include <linux/module.h>
 18 #include <linux/platform_device.h>
 19 #include <sound/core.h>
 20 #include <sound/pcm.h>
 21 #include <sound/soc.h>
 22 #include "txx9aclc.h"
 23 
 24 static struct snd_soc_dai_link txx9aclc_generic_dai = {
 25         .name = "AC97",
 26         .stream_name = "AC97 HiFi",
 27         .cpu_dai_name = "txx9aclc-ac97",
 28         .codec_dai_name = "ac97-hifi",
 29         .platform_name  = "txx9aclc-pcm-audio",
 30         .codec_name     = "ac97-codec",
 31 };
 32 
 33 static struct snd_soc_card txx9aclc_generic_card = {
 34         .name           = "Generic TXx9 ACLC Audio",
 35         .owner          = THIS_MODULE,
 36         .dai_link       = &txx9aclc_generic_dai,
 37         .num_links      = 1,
 38 };
 39 
 40 static struct platform_device *soc_pdev;
 41 
 42 static int __init txx9aclc_generic_probe(struct platform_device *pdev)
 43 {
 44         int ret;
 45 
 46         soc_pdev = platform_device_alloc("soc-audio", -1);
 47         if (!soc_pdev)
 48                 return -ENOMEM;
 49         platform_set_drvdata(soc_pdev, &txx9aclc_generic_card);
 50         ret = platform_device_add(soc_pdev);
 51         if (ret) {
 52                 platform_device_put(soc_pdev);
 53                 return ret;
 54         }
 55 
 56         return 0;
 57 }
 58 
 59 static int __exit txx9aclc_generic_remove(struct platform_device *pdev)
 60 {
 61         platform_device_unregister(soc_pdev);
 62         return 0;
 63 }
 64 
 65 static struct platform_driver txx9aclc_generic_driver = {
 66         .remove = __exit_p(txx9aclc_generic_remove),
 67         .driver = {
 68                 .name = "txx9aclc-generic",
 69                 .owner = THIS_MODULE,
 70         },
 71 };
 72 
 73 static int __init txx9aclc_generic_init(void)
 74 {
 75         return platform_driver_probe(&txx9aclc_generic_driver,
 76                                      txx9aclc_generic_probe);
 77 }
 78 
 79 static void __exit txx9aclc_generic_exit(void)
 80 {
 81         platform_driver_unregister(&txx9aclc_generic_driver);
 82 }
 83 
 84 module_init(txx9aclc_generic_init);
 85 module_exit(txx9aclc_generic_exit);
 86 
 87 MODULE_AUTHOR("Atsushi Nemoto <anemo@mba.ocn.ne.jp>");
 88 MODULE_DESCRIPTION("Generic TXx9 ACLC ALSA SoC audio driver");
 89 MODULE_LICENSE("GPL");
 90 MODULE_ALIAS("platform:txx9aclc-generic");
 91 

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