mirror of
https://github.com/torvalds/linux.git
synced 2024-11-15 16:41:58 +00:00
7a968dc66a
As original license mentioned, it is GPL-2.0 in SPDX.
Then, MODULE_LICENSE() should be "GPL v2" instead of "GPL".
See ${LINUX}/include/linux/module.h
"GPL" [GNU Public License v2 or later]
"GPL v2" [GNU Public License v2]
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
98 lines
2.4 KiB
C
98 lines
2.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
// ak4554.c
|
|
//
|
|
// Copyright (C) 2013 Renesas Solutions Corp.
|
|
// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
|
|
|
|
#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 const struct snd_soc_component_driver soc_component_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),
|
|
.idle_bias_on = 1,
|
|
.use_pmdown_time = 1,
|
|
.endianness = 1,
|
|
.non_legacy_dai_naming = 1,
|
|
};
|
|
|
|
static int ak4554_soc_probe(struct platform_device *pdev)
|
|
{
|
|
return devm_snd_soc_register_component(&pdev->dev,
|
|
&soc_component_dev_ak4554,
|
|
&ak4554_dai, 1);
|
|
}
|
|
|
|
static const 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",
|
|
.of_match_table = ak4554_of_match,
|
|
},
|
|
.probe = ak4554_soc_probe,
|
|
};
|
|
module_platform_driver(ak4554_driver);
|
|
|
|
MODULE_LICENSE("GPL v2");
|
|
MODULE_DESCRIPTION("SoC AK4554 driver");
|
|
MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");
|