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

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  1 // SPDX-License-Identifier: GPL-2.0-only
  2 /*
  3  * Generic TXx9 ACLC machine driver
  4  *
  5  * Copyright (C) 2009 Atsushi Nemoto
  6  *
  7  * Based on RBTX49xx patch from CELF patch archive.
  8  * (C) Copyright TOSHIBA CORPORATION 2004-2006
  9  *
 10  * This is a very generic AC97 sound machine driver for boards which
 11  * have (AC97) audio at ACLC (e.g. RBTX49XX boards).
 12  */
 13 
 14 #include <linux/module.h>
 15 #include <linux/platform_device.h>
 16 #include <sound/core.h>
 17 #include <sound/pcm.h>
 18 #include <sound/soc.h>
 19 #include "txx9aclc.h"
 20 
 21 SND_SOC_DAILINK_DEFS(hifi,
 22         DAILINK_COMP_ARRAY(COMP_CPU("txx9aclc-ac97")),
 23         DAILINK_COMP_ARRAY(COMP_CODEC("ac97-codec", "ac97-hifi")),
 24         DAILINK_COMP_ARRAY(COMP_PLATFORM("txx9aclc-pcm-audio")));
 25 
 26 static struct snd_soc_dai_link txx9aclc_generic_dai = {
 27         .name = "AC97",
 28         .stream_name = "AC97 HiFi",
 29         SND_SOC_DAILINK_REG(hifi),
 30 };
 31 
 32 static struct snd_soc_card txx9aclc_generic_card = {
 33         .name           = "Generic TXx9 ACLC Audio",
 34         .owner          = THIS_MODULE,
 35         .dai_link       = &txx9aclc_generic_dai,
 36         .num_links      = 1,
 37 };
 38 
 39 static struct platform_device *soc_pdev;
 40 
 41 static int __init txx9aclc_generic_probe(struct platform_device *pdev)
 42 {
 43         int ret;
 44 
 45         soc_pdev = platform_device_alloc("soc-audio", -1);
 46         if (!soc_pdev)
 47                 return -ENOMEM;
 48         platform_set_drvdata(soc_pdev, &txx9aclc_generic_card);
 49         ret = platform_device_add(soc_pdev);
 50         if (ret) {
 51                 platform_device_put(soc_pdev);
 52                 return ret;
 53         }
 54 
 55         return 0;
 56 }
 57 
 58 static int __exit txx9aclc_generic_remove(struct platform_device *pdev)
 59 {
 60         platform_device_unregister(soc_pdev);
 61         return 0;
 62 }
 63 
 64 static struct platform_driver txx9aclc_generic_driver = {
 65         .remove = __exit_p(txx9aclc_generic_remove),
 66         .driver = {
 67                 .name = "txx9aclc-generic",
 68         },
 69 };
 70 
 71 static int __init txx9aclc_generic_init(void)
 72 {
 73         return platform_driver_probe(&txx9aclc_generic_driver,
 74                                      txx9aclc_generic_probe);
 75 }
 76 
 77 static void __exit txx9aclc_generic_exit(void)
 78 {
 79         platform_driver_unregister(&txx9aclc_generic_driver);
 80 }
 81 
 82 module_init(txx9aclc_generic_init);
 83 module_exit(txx9aclc_generic_exit);
 84 
 85 MODULE_AUTHOR("Atsushi Nemoto <anemo@mba.ocn.ne.jp>");
 86 MODULE_DESCRIPTION("Generic TXx9 ACLC ALSA SoC audio driver");
 87 MODULE_LICENSE("GPL");
 88 MODULE_ALIAS("platform:txx9aclc-generic");
 89 

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