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Viewing changes to buildroot/src/oem-audiosdw-lp1836324-1ubuntu1.3/soc/codecs/bt-sco.c

  • Committer: Hui Wang
  • Date: 2019-12-13 02:41:40 UTC
  • Revision ID: hui.wang@canonical.com-20191213024140-1cprdcbl3122fn85
insert pc-oem-dkms

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buildroot/src/oem-audiosdw-lp1836324-1ubuntu1.3/soc/codecs/bt-sco.c
 
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// SPDX-License-Identifier: GPL-2.0-or-later
 
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/*
 
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 * Driver for generic Bluetooth SCO link
 
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 * Copyright 2011 Lars-Peter Clausen <lars@metafoo.de>
 
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 */
 
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#include <linux/init.h>
 
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#include <linux/module.h>
 
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#include <linux/platform_device.h>
 
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#include <sound/soc.h>
 
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static const struct snd_soc_dapm_widget bt_sco_widgets[] = {
 
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        SND_SOC_DAPM_INPUT("RX"),
 
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        SND_SOC_DAPM_OUTPUT("TX"),
 
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};
 
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static const struct snd_soc_dapm_route bt_sco_routes[] = {
 
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        { "Capture", NULL, "RX" },
 
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        { "TX", NULL, "Playback" },
 
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};
 
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static struct snd_soc_dai_driver bt_sco_dai[] = {
 
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        {
 
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                .name = "bt-sco-pcm",
 
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                .playback = {
 
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                        .stream_name = "Playback",
 
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                        .channels_min = 1,
 
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                        .channels_max = 1,
 
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                        .rates = SNDRV_PCM_RATE_8000,
 
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                        .formats = SNDRV_PCM_FMTBIT_S16_LE,
 
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                },
 
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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 = 1,
 
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                        .rates = SNDRV_PCM_RATE_8000,
 
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                        .formats = SNDRV_PCM_FMTBIT_S16_LE,
 
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                },
 
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        },
 
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        {
 
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                .name = "bt-sco-pcm-wb",
 
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                .playback = {
 
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                        .stream_name = "Playback",
 
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                        .channels_min = 1,
 
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                        .channels_max = 1,
 
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                        .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000,
 
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                        .formats = SNDRV_PCM_FMTBIT_S16_LE,
 
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                },
 
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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 = 1,
 
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                        .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000,
 
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                        .formats = SNDRV_PCM_FMTBIT_S16_LE,
 
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                },
 
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        }
 
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};
 
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static const struct snd_soc_component_driver soc_component_dev_bt_sco = {
 
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        .dapm_widgets           = bt_sco_widgets,
 
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        .num_dapm_widgets       = ARRAY_SIZE(bt_sco_widgets),
 
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        .dapm_routes            = bt_sco_routes,
 
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        .num_dapm_routes        = ARRAY_SIZE(bt_sco_routes),
 
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        .idle_bias_on           = 1,
 
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        .use_pmdown_time        = 1,
 
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        .endianness             = 1,
 
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        .non_legacy_dai_naming  = 1,
 
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};
 
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static int bt_sco_probe(struct platform_device *pdev)
 
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{
 
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        return devm_snd_soc_register_component(&pdev->dev,
 
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                                      &soc_component_dev_bt_sco,
 
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                                      bt_sco_dai, ARRAY_SIZE(bt_sco_dai));
 
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}
 
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static int bt_sco_remove(struct platform_device *pdev)
 
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{
 
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        return 0;
 
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}
 
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static const struct platform_device_id bt_sco_driver_ids[] = {
 
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        {
 
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                .name           = "dfbmcs320",
 
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        },
 
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        {
 
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                .name           = "bt-sco",
 
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        },
 
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        {},
 
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};
 
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MODULE_DEVICE_TABLE(platform, bt_sco_driver_ids);
 
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#if defined(CONFIG_OF)
 
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static const struct of_device_id bt_sco_codec_of_match[] = {
 
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        { .compatible = "delta,dfbmcs320", },
 
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        { .compatible = "linux,bt-sco", },
 
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        {},
 
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};
 
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MODULE_DEVICE_TABLE(of, bt_sco_codec_of_match);
 
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#endif
 
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static struct platform_driver bt_sco_driver = {
 
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        .driver = {
 
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                .name = "bt-sco",
 
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                .of_match_table = of_match_ptr(bt_sco_codec_of_match),
 
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        },
 
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        .probe = bt_sco_probe,
 
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        .remove = bt_sco_remove,
 
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        .id_table = bt_sco_driver_ids,
 
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};
 
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module_platform_driver(bt_sco_driver);
 
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MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
 
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MODULE_DESCRIPTION("ASoC generic bluetooth sco link driver");
 
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MODULE_LICENSE("GPL");