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/* Copyright (c) 2011-2013, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
/* A dummy driver useful only to advertise hardware parameters */
static struct snd_soc_dai_driver msm_stub_dais[] = {
{
.name = "msm-stub-rx",
.playback = { /* Support maximum range */
.stream_name = "Playback",
.channels_min = 1,
.channels_max = 8,
.rates = SNDRV_PCM_RATE_8000_48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
},
{
.name = "msm-stub-tx",
.capture = { /* Support maximum range */
.stream_name = "Record",
.channels_min = 1,
.channels_max = 8,
.rates = SNDRV_PCM_RATE_8000_48000,
.formats = (SNDRV_PCM_FMTBIT_S16_LE |
SNDRV_PCM_FMTBIT_S24_LE),
},
},
};
static struct snd_soc_codec_driver soc_msm_stub = {};
static int msm_stub_dev_probe(struct platform_device *pdev)
{
if (pdev->dev.of_node)
dev_set_name(&pdev->dev, "%s.%d", "msm-stub-codec", 1);
dev_dbg(&pdev->dev, "dev name %s\n", dev_name(&pdev->dev));
return snd_soc_register_codec(&pdev->dev,
&soc_msm_stub, msm_stub_dais, ARRAY_SIZE(msm_stub_dais));
}
static int msm_stub_dev_remove(struct platform_device *pdev)
{
snd_soc_unregister_codec(&pdev->dev);
return 0;
}
static const struct of_device_id msm_stub_codec_dt_match[] = {
{ .compatible = "qcom,msm-stub-codec", },
{}
};
static struct platform_driver msm_stub_driver = {
.driver = {
.name = "msm-stub-codec",
.owner = THIS_MODULE,
.of_match_table = msm_stub_codec_dt_match,
},
.probe = msm_stub_dev_probe,
.remove = msm_stub_dev_remove,
};
static int __init msm_stub_init(void)
{
return platform_driver_register(&msm_stub_driver);
}
module_init(msm_stub_init);
static void __exit msm_stub_exit(void)
{
platform_driver_unregister(&msm_stub_driver);
}
module_exit(msm_stub_exit);
MODULE_DESCRIPTION("Generic MSM CODEC driver");
MODULE_VERSION("1.0");
MODULE_LICENSE("GPL v2");
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