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Viewing changes to soc/codecs/spdif_receiver.c

  • Committer: Canonistack server
  • Date: 2015-01-22 13:04:34 UTC
  • Revision ID: david.henningsson@canonical.com-20150122130434-q48cfdp8ovzgqhe7
Test run of 623 machines: 3 failing with 3 errors and 0 warnings.

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soc/codecs/spdif_receiver.c
 
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/*
 
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 * ALSA SoC SPDIF DIR (Digital Interface Reciever) driver
 
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 *
 
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 * Based on ALSA SoC SPDIF DIT driver
 
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 *
 
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 *  This driver is used by controllers which can operate in DIR (SPDI/F) where
 
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 *  no codec is needed.  This file provides stub codec that can be used
 
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 *  in these configurations. SPEAr SPDIF IN Audio controller uses this driver.
 
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 *
 
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 * Author:      Vipin Kumar,  <vipin.kumar@st.com>
 
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 * Copyright:   (C) 2012  ST Microelectronics
 
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 *
 
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 * This program is free software; you can redistribute it and/or modify
 
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 * it under the terms of the GNU General Public License version 2 as
 
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 * published by the Free Software Foundation.
 
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 */
 
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#include <linux/module.h>
 
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#include <linux/moduleparam.h>
 
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#include <linux/slab.h>
 
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#include <sound/soc.h>
 
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#include <sound/pcm.h>
 
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#include <sound/initval.h>
 
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#include <linux/of.h>
 
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static const struct snd_soc_dapm_widget dir_widgets[] = {
 
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        SND_SOC_DAPM_INPUT("spdif-in"),
 
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};
 
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static const struct snd_soc_dapm_route dir_routes[] = {
 
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        { "Capture", NULL, "spdif-in" },
 
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};
 
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#define STUB_RATES      SNDRV_PCM_RATE_8000_192000
 
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#define STUB_FORMATS    (SNDRV_PCM_FMTBIT_S16_LE | \
 
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                        SNDRV_PCM_FMTBIT_S20_3LE | \
 
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                        SNDRV_PCM_FMTBIT_S24_LE | \
 
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                        SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE)
 
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static struct snd_soc_codec_driver soc_codec_spdif_dir = {
 
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        .dapm_widgets = dir_widgets,
 
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        .num_dapm_widgets = ARRAY_SIZE(dir_widgets),
 
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        .dapm_routes = dir_routes,
 
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        .num_dapm_routes = ARRAY_SIZE(dir_routes),
 
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};
 
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static struct snd_soc_dai_driver dir_stub_dai = {
 
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        .name           = "dir-hifi",
 
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        .capture        = {
 
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                .stream_name    = "Capture",
 
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                .channels_min   = 1,
 
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                .channels_max   = 384,
 
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                .rates          = STUB_RATES,
 
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                .formats        = STUB_FORMATS,
 
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        },
 
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};
 
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static int spdif_dir_probe(struct platform_device *pdev)
 
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{
 
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        return snd_soc_register_codec(&pdev->dev, &soc_codec_spdif_dir,
 
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                        &dir_stub_dai, 1);
 
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}
 
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static int spdif_dir_remove(struct platform_device *pdev)
 
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{
 
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        snd_soc_unregister_codec(&pdev->dev);
 
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        return 0;
 
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}
 
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#ifdef CONFIG_OF
 
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static const struct of_device_id spdif_dir_dt_ids[] = {
 
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        { .compatible = "linux,spdif-dir", },
 
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        { }
 
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};
 
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MODULE_DEVICE_TABLE(of, spdif_dir_dt_ids);
 
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#endif
 
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static struct platform_driver spdif_dir_driver = {
 
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        .probe          = spdif_dir_probe,
 
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        .remove         = spdif_dir_remove,
 
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        .driver         = {
 
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                .name   = "spdif-dir",
 
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                .of_match_table = of_match_ptr(spdif_dir_dt_ids),
 
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        },
 
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};
 
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module_platform_driver(spdif_dir_driver);
 
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MODULE_DESCRIPTION("ASoC SPDIF DIR driver");
 
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MODULE_AUTHOR("Vipin Kumar <vipin.kumar@st.com>");
 
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MODULE_LICENSE("GPL");