mirror of
https://github.com/followmsi/android_kernel_google_msm.git
synced 2024-11-06 23:17:41 +00:00
596a4b70a1
Add device tree support to sound soc audio drivers. These drivers get registered to the alsa framework and thus aid detection of soundcard. Change the device tree entries to follow the new design approach of having individual probe functions for each audio interface. Change-Id: Ie8f0bddd5ba6e2cfb66c6a23efdcb434c5082d7d Signed-off-by: Phani Kumar Uppalapati <phanik@codeaurora.org>
91 lines
2.4 KiB
C
91 lines
2.4 KiB
C
/* Copyright (c) 2011-2012, Code Aurora Forum. 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 = 4,
|
|
.rates = SNDRV_PCM_RATE_8000_48000,
|
|
.formats = SNDRV_PCM_FMTBIT_S16_LE,
|
|
},
|
|
},
|
|
};
|
|
|
|
static struct snd_soc_codec_driver soc_msm_stub = {};
|
|
|
|
static int __devinit 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 __devexit 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 = __devexit_p(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");
|