81 lines
1.9 KiB
C
81 lines
1.9 KiB
C
/*
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* ALSA SoC CP dummy cpu dai driver
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*
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* This driver provides one dummy dai.
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*
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* Copyright (c) 2014 Samsung Electronics
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* http://www.samsungsemi.com/
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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/of.h>
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#include <sound/soc.h>
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static struct snd_soc_dai_driver cp_dummy_dai_drv = {
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.name = "espresso voice call",
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.playback = {
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.channels_min = 1,
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.channels_max = 2,
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.rate_min = 8000,
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.rate_max = 48000,
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.rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |
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SNDRV_PCM_RATE_48000),
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.formats = (SNDRV_PCM_FMTBIT_S16_LE |
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SNDRV_PCM_FMTBIT_S24_LE)
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},
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.capture = {
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.channels_min = 1,
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.channels_max = 2,
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.rate_min = 8000,
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.rate_max = 48000,
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.rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |
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SNDRV_PCM_RATE_48000),
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.formats = (SNDRV_PCM_FMTBIT_S16_LE |
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SNDRV_PCM_FMTBIT_S24_LE)
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},
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};
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static const struct snd_soc_component_driver cp_dummy_i2s_component = {
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.name = "cp-dummy-i2s",
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};
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static int dummy_cpu_probe(struct platform_device *pdev)
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{
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snd_soc_register_component(&pdev->dev, &cp_dummy_i2s_component,
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&cp_dummy_dai_drv, 1);
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return 0;
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}
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static int dummy_cpu_remove(struct platform_device *pdev)
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{
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snd_soc_unregister_component(&pdev->dev);
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return 0;
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}
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static const struct of_device_id dummy_cpu_of_match[] = {
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{ .compatible = "samsung,cp_dummy", },
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{},
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};
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MODULE_DEVICE_TABLE(of, dummy_cpu_of_match);
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static struct platform_driver dummy_cpu_driver = {
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.probe = dummy_cpu_probe,
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.remove = dummy_cpu_remove,
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.driver = {
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.name = "cp-dummy-i2s",
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.owner = THIS_MODULE,
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.of_match_table = of_match_ptr(dummy_cpu_of_match),
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},
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};
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module_platform_driver(dummy_cpu_driver);
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MODULE_AUTHOR("Hyunwoong Kim <khw0178.kim@samsung.com>");
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MODULE_DESCRIPTION("Dummy dai driver");
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MODULE_LICENSE("GPL");
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