forked from Minki/linux
c34e51b127
Ensure continued operation with DAPM being mandatory. Signed-off-by: Mark Brown <broonie@linaro.org>
98 lines
2.7 KiB
C
98 lines
2.7 KiB
C
/*
|
|
* ALSA SoC codec driver for HDMI audio codecs.
|
|
* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
|
|
* Author: Ricardo Neri <ricardo.neri@ti.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* 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.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
|
|
* 02110-1301 USA
|
|
*
|
|
*/
|
|
#include <linux/module.h>
|
|
#include <sound/soc.h>
|
|
|
|
#define DRV_NAME "hdmi-audio-codec"
|
|
|
|
static const struct snd_soc_dapm_widget hdmi_widgets[] = {
|
|
SND_SOC_DAPM_INPUT("RX"),
|
|
SND_SOC_DAPM_OUTPUT("TX"),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route hdmi_routes[] = {
|
|
{ "Capture", NULL, "RX" },
|
|
{ "TX", NULL, "Playback" },
|
|
};
|
|
|
|
static struct snd_soc_dai_driver hdmi_codec_dai = {
|
|
.name = "hdmi-hifi",
|
|
.playback = {
|
|
.stream_name = "Playback",
|
|
.channels_min = 2,
|
|
.channels_max = 8,
|
|
.rates = SNDRV_PCM_RATE_32000 |
|
|
SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
|
|
SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
|
|
SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000,
|
|
.formats = SNDRV_PCM_FMTBIT_S16_LE |
|
|
SNDRV_PCM_FMTBIT_S24_LE,
|
|
},
|
|
.capture = {
|
|
.stream_name = "Capture",
|
|
.channels_min = 2,
|
|
.channels_max = 2,
|
|
.rates = SNDRV_PCM_RATE_32000 |
|
|
SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
|
|
SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
|
|
SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000,
|
|
.formats = SNDRV_PCM_FMTBIT_S16_LE |
|
|
SNDRV_PCM_FMTBIT_S24_LE,
|
|
},
|
|
|
|
};
|
|
|
|
static struct snd_soc_codec_driver hdmi_codec = {
|
|
.dapm_widgets = hdmi_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(hdmi_widgets),
|
|
.dapm_routes = hdmi_routes,
|
|
.num_dapm_routes = ARRAY_SIZE(hdmi_routes),
|
|
};
|
|
|
|
static int hdmi_codec_probe(struct platform_device *pdev)
|
|
{
|
|
return snd_soc_register_codec(&pdev->dev, &hdmi_codec,
|
|
&hdmi_codec_dai, 1);
|
|
}
|
|
|
|
static int hdmi_codec_remove(struct platform_device *pdev)
|
|
{
|
|
snd_soc_unregister_codec(&pdev->dev);
|
|
return 0;
|
|
}
|
|
|
|
static struct platform_driver hdmi_codec_driver = {
|
|
.driver = {
|
|
.name = DRV_NAME,
|
|
.owner = THIS_MODULE,
|
|
},
|
|
|
|
.probe = hdmi_codec_probe,
|
|
.remove = hdmi_codec_remove,
|
|
};
|
|
|
|
module_platform_driver(hdmi_codec_driver);
|
|
|
|
MODULE_AUTHOR("Ricardo Neri <ricardo.neri@ti.com>");
|
|
MODULE_DESCRIPTION("ASoC generic HDMI codec driver");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_ALIAS("platform:" DRV_NAME);
|