116 lines
2.8 KiB
C
116 lines
2.8 KiB
C
|
/* Copyright (c) 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/init.h>
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <linux/device.h>
|
||
|
|
#include <linux/platform_device.h>
|
||
|
|
#include <sound/core.h>
|
||
|
|
#include <sound/pcm.h>
|
||
|
|
#include <sound/soc.h>
|
||
|
|
|
||
|
|
static int msm_dai_stub_set_channel_map(struct snd_soc_dai *dai,
|
||
|
|
unsigned int tx_num, unsigned int *tx_slot,
|
||
|
|
unsigned int rx_num, unsigned int *rx_slot)
|
||
|
|
{
|
||
|
|
pr_debug("%s:\n", __func__);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct snd_soc_dai_ops msm_dai_stub_ops = {
|
||
|
|
.set_channel_map = msm_dai_stub_set_channel_map,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct snd_soc_dai_driver msm_dai_stub_dai = {
|
||
|
|
.playback = {
|
||
|
|
.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 |
|
||
|
|
SNDRV_PCM_RATE_16000,
|
||
|
|
.formats = SNDRV_PCM_FMTBIT_S16_LE,
|
||
|
|
.channels_min = 1,
|
||
|
|
.channels_max = 2,
|
||
|
|
.rate_min = 8000,
|
||
|
|
.rate_max = 48000,
|
||
|
|
},
|
||
|
|
.capture = {
|
||
|
|
.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 |
|
||
|
|
SNDRV_PCM_RATE_16000,
|
||
|
|
.formats = SNDRV_PCM_FMTBIT_S16_LE,
|
||
|
|
.channels_min = 1,
|
||
|
|
.channels_max = 2,
|
||
|
|
.rate_min = 8000,
|
||
|
|
.rate_max = 48000,
|
||
|
|
},
|
||
|
|
.ops = &msm_dai_stub_ops,
|
||
|
|
};
|
||
|
|
|
||
|
|
static __devinit int msm_dai_stub_dev_probe(struct platform_device *pdev)
|
||
|
|
{
|
||
|
|
int rc = 0;
|
||
|
|
|
||
|
|
dev_dbg(&pdev->dev, "dev name %s\n", dev_name(&pdev->dev));
|
||
|
|
|
||
|
|
if (pdev->dev.of_node)
|
||
|
|
dev_set_name(&pdev->dev, "%s", "msm-dai-stub");
|
||
|
|
pr_debug("%s: dev name %s\n", __func__, dev_name(&pdev->dev));
|
||
|
|
|
||
|
|
rc = snd_soc_register_dai(&pdev->dev, &msm_dai_stub_dai);
|
||
|
|
|
||
|
|
return rc;
|
||
|
|
}
|
||
|
|
|
||
|
|
static __devexit int msm_dai_stub_dev_remove(struct platform_device *pdev)
|
||
|
|
{
|
||
|
|
pr_debug("%s:\n", __func__);
|
||
|
|
|
||
|
|
snd_soc_unregister_dai(&pdev->dev);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct of_device_id msm_dai_stub_dt_match[] = {
|
||
|
|
{.compatible = "qcom,msm-dai-stub"},
|
||
|
|
{}
|
||
|
|
};
|
||
|
|
|
||
|
|
MODULE_DEVICE_TABLE(of, msm_dai_stub_dt_match);
|
||
|
|
|
||
|
|
|
||
|
|
static struct platform_driver msm_dai_stub_driver = {
|
||
|
|
.probe = msm_dai_stub_dev_probe,
|
||
|
|
.remove = msm_dai_stub_dev_remove,
|
||
|
|
.driver = {
|
||
|
|
.name = "msm-dai-stub",
|
||
|
|
.owner = THIS_MODULE,
|
||
|
|
.of_match_table = msm_dai_stub_dt_match,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static int __init msm_dai_stub_init(void)
|
||
|
|
{
|
||
|
|
pr_debug("%s:\n", __func__);
|
||
|
|
|
||
|
|
return platform_driver_register(&msm_dai_stub_driver);
|
||
|
|
}
|
||
|
|
module_init(msm_dai_stub_init);
|
||
|
|
|
||
|
|
static void __exit msm_dai_stub_exit(void)
|
||
|
|
{
|
||
|
|
pr_debug("%s:\n", __func__);
|
||
|
|
|
||
|
|
platform_driver_unregister(&msm_dai_stub_driver);
|
||
|
|
}
|
||
|
|
module_exit(msm_dai_stub_exit);
|
||
|
|
|
||
|
|
/* Module information */
|
||
|
|
MODULE_DESCRIPTION("MSM Stub DSP DAI driver");
|
||
|
|
MODULE_LICENSE("GPL v2");
|