ASoC: Add ADAU1373 codec support

/*

 * Analog Devices ADAU1373 Audio Codec drive

 *

 * Copyright 2011 Analog Devices Inc.

 * Author: Lars-Peter Clausen <lars@metafoo.de>

 *

 * Licensed under the GPL-2 or later.

 */

#ifndef __SOUND_ADAU1373_H__

#define __SOUND_ADAU1373_H__

enum adau1373_micbias_voltage {

	ADAU1373_MICBIAS_2_9V = 0,

	ADAU1373_MICBIAS_2_2V = 1,

	ADAU1373_MICBIAS_2_6V = 2,

	ADAU1373_MICBIAS_1_8V = 3,

};

#define ADAU1373_DRC_SIZE 13

struct adau1373_platform_data {

	bool input_differential[4];

	bool lineout_differential;

	bool lineout_ground_sense;

	unsigned int num_drc;

	uint8_t drc_setting[3][ADAU1373_DRC_SIZE];

	enum adau1373_micbias_voltage micbias1;

	enum adau1373_micbias_voltage micbias2;

};

#endif

	select SND_SOC_AD193X if SND_SOC_I2C_AND_SPI

	select SND_SOC_AD1980 if SND_SOC_AC97_BUS

	select SND_SOC_AD73311

	select SND_SOC_ADAU1373 if I2C

	select SND_SOC_ADAV80X

	select SND_SOC_ADS117X

	select SND_SOC_AK4104 if SPI_MASTER

	select SIGMA

	tristate

config SND_SOC_ADAU1373

	tristate

config SND_SOC_ADAV80X

	tristate

snd-soc-ad1980-objs := ad1980.o

snd-soc-ad73311-objs := ad73311.o

snd-soc-adau1701-objs := adau1701.o

snd-soc-adau1373-objs := adau1373.o

snd-soc-adav80x-objs := adav80x.o

snd-soc-ads117x-objs := ads117x.o

snd-soc-ak4104-objs := ak4104.o

obj-$(CONFIG_SND_SOC_AD193X)	+= snd-soc-ad193x.o

obj-$(CONFIG_SND_SOC_AD1980)	+= snd-soc-ad1980.o

obj-$(CONFIG_SND_SOC_AD73311) += snd-soc-ad73311.o

obj-$(CONFIG_SND_SOC_ADAU1373)	+= snd-soc-adau1373.o

obj-$(CONFIG_SND_SOC_ADAU1701)  += snd-soc-adau1701.o

obj-$(CONFIG_SND_SOC_ADAV80X)  += snd-soc-adav80x.o

obj-$(CONFIG_SND_SOC_ADS117X)	+= snd-soc-ads117x.o