mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-24 21:24:00 +08:00
ba7a3a971d
Adding ACPI entry id for probing the driver. Signed-off-by: Akshu Agrawal <akshu.agrawal@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Mark Brown <broonie@kernel.org>
95 lines
2.3 KiB
C
95 lines
2.3 KiB
C
/*
|
|
* ADAU7002 Stereo PDM-to-I2S/TDM converter driver
|
|
*
|
|
* Copyright 2014-2016 Analog Devices
|
|
* Author: Lars-Peter Clausen <lars@metafoo.de>
|
|
*
|
|
* Licensed under the GPL-2.
|
|
*/
|
|
|
|
#include <linux/acpi.h>
|
|
#include <linux/init.h>
|
|
#include <linux/module.h>
|
|
#include <linux/of.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
#include <sound/soc.h>
|
|
|
|
static const struct snd_soc_dapm_widget adau7002_widgets[] = {
|
|
SND_SOC_DAPM_INPUT("PDM_DAT"),
|
|
SND_SOC_DAPM_REGULATOR_SUPPLY("IOVDD", 0, 0),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route adau7002_routes[] = {
|
|
{ "Capture", NULL, "PDM_DAT" },
|
|
{ "Capture", NULL, "IOVDD" },
|
|
};
|
|
|
|
static struct snd_soc_dai_driver adau7002_dai = {
|
|
.name = "adau7002-hifi",
|
|
.capture = {
|
|
.stream_name = "Capture",
|
|
.channels_min = 2,
|
|
.channels_max = 2,
|
|
.rates = SNDRV_PCM_RATE_8000_96000,
|
|
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S18_3LE |
|
|
SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE |
|
|
SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE,
|
|
.sig_bits = 20,
|
|
},
|
|
};
|
|
|
|
static const struct snd_soc_component_driver adau7002_component_driver = {
|
|
.dapm_widgets = adau7002_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(adau7002_widgets),
|
|
.dapm_routes = adau7002_routes,
|
|
.num_dapm_routes = ARRAY_SIZE(adau7002_routes),
|
|
.idle_bias_on = 1,
|
|
.use_pmdown_time = 1,
|
|
.endianness = 1,
|
|
.non_legacy_dai_naming = 1,
|
|
};
|
|
|
|
static int adau7002_probe(struct platform_device *pdev)
|
|
{
|
|
return devm_snd_soc_register_component(&pdev->dev,
|
|
&adau7002_component_driver,
|
|
&adau7002_dai, 1);
|
|
}
|
|
|
|
static int adau7002_remove(struct platform_device *pdev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_OF
|
|
static const struct of_device_id adau7002_dt_ids[] = {
|
|
{ .compatible = "adi,adau7002", },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(of, adau7002_dt_ids);
|
|
#endif
|
|
|
|
#ifdef CONFIG_ACPI
|
|
static const struct acpi_device_id adau7002_acpi_match[] = {
|
|
{ "ADAU7002", 0 },
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(acpi, adau7002_acpi_match);
|
|
#endif
|
|
|
|
static struct platform_driver adau7002_driver = {
|
|
.driver = {
|
|
.name = "adau7002",
|
|
.of_match_table = of_match_ptr(adau7002_dt_ids),
|
|
.acpi_match_table = ACPI_PTR(adau7002_acpi_match),
|
|
},
|
|
.probe = adau7002_probe,
|
|
.remove = adau7002_remove,
|
|
};
|
|
module_platform_driver(adau7002_driver);
|
|
|
|
MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
|
|
MODULE_DESCRIPTION("ADAU7002 Stereo PDM-to-I2S/TDM Converter driver");
|
|
MODULE_LICENSE("GPL v2");
|