4601736a6f
This makes it possible to hook the device into a more complex board and ensures it will continue to work with non-DAPM support removed from the core. Signed-off-by: Mark Brown <broonie@linaro.org>
106 lines
2.6 KiB
C
106 lines
2.6 KiB
C
/*
|
|
* 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 const struct snd_soc_dapm_widget ak4554_dapm_widgets[] = {
|
|
SND_SOC_DAPM_INPUT("AINL"),
|
|
SND_SOC_DAPM_INPUT("AINR"),
|
|
|
|
SND_SOC_DAPM_OUTPUT("AOUTL"),
|
|
SND_SOC_DAPM_OUTPUT("AOUTR"),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route ak4554_dapm_routes[] = {
|
|
{ "Capture", NULL, "AINL" },
|
|
{ "Capture", NULL, "AINR" },
|
|
|
|
{ "AOUTL", NULL, "Playback" },
|
|
{ "AOUTR", NULL, "Playback" },
|
|
};
|
|
|
|
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 = {
|
|
.dapm_widgets = ak4554_dapm_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(ak4554_dapm_widgets),
|
|
.dapm_routes = ak4554_dapm_routes,
|
|
.num_dapm_routes = ARRAY_SIZE(ak4554_dapm_routes),
|
|
};
|
|
|
|
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 of_device_id ak4554_of_match[] = {
|
|
{ .compatible = "asahi-kasei,ak4554" },
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(of, ak4554_of_match);
|
|
|
|
static struct platform_driver ak4554_driver = {
|
|
.driver = {
|
|
.name = "ak4554-adc-dac",
|
|
.owner = THIS_MODULE,
|
|
.of_match_table = ak4554_of_match,
|
|
},
|
|
.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>");
|