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ASoC: add ak4554 driver 

ak4554 is very simple DA/AD converter which has no setting register.
Note that it has hard coded asymmetric data format
playback : SND_SOC_DAIFMT_RIGHT_J
capture  : SND_SOC_DAIFMT_LEFT_J
This driver has single DAI and doesn't have set_fmt.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Kuninori Morimoto 2013-07-03 21:15:13 -07:00 committed by Mark Brown
parent ad81f0545e
commit a2911cdb1f
3 changed files with 84 additions and 0 deletions
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3
sound/soc/codecs/Kconfig
View File

@ -198,6 +198,9 @@ config SND_SOC_AK4104
config SND_SOC_AK4535
tristate
config SND_SOC_AK4554
tristate
config SND_SOC_AK4641
tristate

2
sound/soc/codecs/Makefile
View File

@ -11,6 +11,7 @@ snd-soc-adav80x-objs := adav80x.o
snd-soc-ads117x-objs := ads117x.o
snd-soc-ak4104-objs := ak4104.o
snd-soc-ak4535-objs := ak4535.o
snd-soc-ak4554-objs := ak4554.o
snd-soc-ak4641-objs := ak4641.o
snd-soc-ak4642-objs := ak4642.o
snd-soc-ak4671-objs := ak4671.o
@ -138,6 +139,7 @@ obj-$(CONFIG_SND_SOC_ADAV80X) += snd-soc-adav80x.o
obj-$(CONFIG_SND_SOC_ADS117X) += snd-soc-ads117x.o
obj-$(CONFIG_SND_SOC_AK4104) += snd-soc-ak4104.o
obj-$(CONFIG_SND_SOC_AK4535) += snd-soc-ak4535.o
obj-$(CONFIG_SND_SOC_AK4554) += snd-soc-ak4554.o
obj-$(CONFIG_SND_SOC_AK4641) += snd-soc-ak4641.o
obj-$(CONFIG_SND_SOC_AK4642) += snd-soc-ak4642.o
obj-$(CONFIG_SND_SOC_AK4671) += snd-soc-ak4671.o

79
sound/soc/codecs/ak4554.c Normal file
View File

@ -0,0 +1,79 @@
/*
* ak4554.c
*
* Copyright (C) 2013 Renesas Solutions Corp.
* Kuninori Morimoto <kuninori.morimoto.gx@renesas.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.
*/
#include <linux/module.h>
#include <sound/soc.h>
/*
* ak4554 is very simple DA/AD converter which has no setting register.
*
* CAUTION
*
* ak4554 playback format is SND_SOC_DAIFMT_RIGHT_J,
* and, capture format is SND_SOC_DAIFMT_LEFT_J
* on same bit clock, LR clock.
* But, this driver doesn't have snd_soc_dai_ops :: set_fmt
*
* CPU/Codec DAI image
*
* CPU-DAI1 (plaback only fmt = RIGHT_J) --+-- ak4554
* |
* CPU-DAI2 (capture only fmt = LEFT_J) ---+
*/
static struct snd_soc_dai_driver ak4554_dai = {
.name = "ak4554-hifi",
.playback = {
.stream_name = "Playback",
.channels_min = 2,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
.capture = {
.stream_name = "Capture",
.channels_min = 2,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
.symmetric_rates = 1,
};
static struct snd_soc_codec_driver soc_codec_dev_ak4554 = {
};
static int ak4554_soc_probe(struct platform_device *pdev)
{
return snd_soc_register_codec(&pdev->dev,
&soc_codec_dev_ak4554,
&ak4554_dai, 1);
}
static int ak4554_soc_remove(struct platform_device *pdev)
{
snd_soc_unregister_codec(&pdev->dev);
return 0;
}
static struct platform_driver ak4554_driver = {
.driver = {
.name = "ak4554-adc-dac",
.owner = THIS_MODULE,
},
.probe = ak4554_soc_probe,
.remove = ak4554_soc_remove,
};
module_platform_driver(ak4554_driver);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SoC AK4554 driver");
MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");