mirror of
https://github.com/revyos/thead-kernel.git
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97 lines
2.6 KiB
C
97 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Driver for ASoC dummy pcm dai
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* Copyright 2023 Yan Dong <nanli.yd@alibaba-inc.com>
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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 light_dummy_pcm_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 light_dummy_pcm_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 light_dummy_pcm_dai[] = {
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{
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.name = "dummy-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 = 2,
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.rates = SNDRV_PCM_RATE_8000_192000,
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.formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S20_LE | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8,
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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 = 2,
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.rates = SNDRV_PCM_RATE_8000_192000,
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.formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S20_LE | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8,
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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_light_dummy_pcm = {
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.dapm_widgets = light_dummy_pcm_widgets,
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.num_dapm_widgets = ARRAY_SIZE(light_dummy_pcm_widgets),
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.dapm_routes = light_dummy_pcm_routes,
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.num_dapm_routes = ARRAY_SIZE(light_dummy_pcm_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 light_dummy_pcm_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_light_dummy_pcm,
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light_dummy_pcm_dai, ARRAY_SIZE(light_dummy_pcm_dai));
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}
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static int light_dummy_pcm_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 light_dummy_pcm_driver_ids[] = {
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{
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.name = "light-dummy-pcm",
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},
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{},
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};
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MODULE_DEVICE_TABLE(platform, light_dummy_pcm_driver_ids);
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#if defined(CONFIG_OF)
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static const struct of_device_id light_dummy_pcm_codec_of_match[] = {
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{ .compatible = "thead,light-dummy-pcm", },
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{},
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};
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MODULE_DEVICE_TABLE(of, light_dummy_pcm_codec_of_match);
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#endif
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static struct platform_driver light_dummy_pcm_driver = {
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.driver = {
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.name = "light-dummy-pcm",
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.of_match_table = of_match_ptr(light_dummy_pcm_codec_of_match),
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},
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.probe = light_dummy_pcm_probe,
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.remove = light_dummy_pcm_remove,
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.id_table = light_dummy_pcm_driver_ids,
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};
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module_platform_driver(light_dummy_pcm_driver);
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MODULE_AUTHOR("Yan Dong <nanli.yd@alibaba-inc.com>");
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MODULE_DESCRIPTION("ASoC dummy pcm dai driver");
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MODULE_LICENSE("GPL");
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