1. 根目录:
2. include
3. sound
4. da9055.h

/*
 * DA9055 ALSA Soc codec driver
 *
 * Copyright (c) 2012 Dialog Semiconductor
 *
 * Tested on (Samsung SMDK6410 board + DA9055 EVB) using I2S and I2C
 * Written by David Chen <david.chen@diasemi.com> and
 * Ashish Chavan <ashish.chavan@kpitcummins.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 */

#ifndef __SOUND_DA9055_H__
#define __SOUND_DA9055_H__

enum da9055_micbias_voltage {
	DA9055_MICBIAS_1_6V = 0,
	DA9055_MICBIAS_1_8V = 1,
	DA9055_MICBIAS_2_1V = 2,
	DA9055_MICBIAS_2_2V = 3,
};

struct da9055_platform_data {
	/* Selects which of the two MicBias pins acts as the bias source */
	bool micbias_source;
	/* Selects the micbias voltage */
	enum da9055_micbias_voltage micbias;
};

#endif