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OpenCloudOS-Kernel/sound/soc/codecs/adau1977.h

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treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 177 Based on 1 normalized pattern(s): licensed under the gpl 2 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 135 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Steve Winslow <swinslow@gmail.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190528170026.071193225@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-29 00:57:06 +08:00
/* SPDX-License-Identifier: GPL-2.0-only */
ASoC: Add ADAU1977 CODEC driver This patch adds support for the ADAU1977, ADAU1978 and ADAU1979 audio CODEC devices. They are a family of 4-channel differential input audio ADC devices. They can be connected to either a SPI or I2C bus. The driver is implemented in three modules, one main module (adau1977.ko) which implements the device logic and one module each for SPI (adau1977-spi.ko) and I2C (adau1977-i2c.ko) bus access. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-18 22:57:35 +08:00
/*
* ADAU1977/ADAU1978/ADAU1979 driver
*
* Copyright 2014 Analog Devices Inc.
* Author: Lars-Peter Clausen <lars@metafoo.de>
*/
#ifndef __SOUND_SOC_CODECS_ADAU1977_H__
#define __SOUND_SOC_CODECS_ADAU1977_H__
#include <linux/regmap.h>
struct device;
enum adau1977_type {
ADAU1977,
ADAU1978,
ADAU1979,
};
int adau1977_probe(struct device *dev, struct regmap *regmap,
enum adau1977_type type, void (*switch_mode)(struct device *dev));
extern const struct regmap_config adau1977_regmap_config;
enum adau1977_clk_id {
ADAU1977_SYSCLK,
};
enum adau1977_sysclk_src {
ADAU1977_SYSCLK_SRC_MCLK,
ADAU1977_SYSCLK_SRC_LRCLK,
};
#endif