xref: /openbmc/linux/include/sound/da9055.h (revision 8fdff1dc)
1 /*
2  * DA9055 ALSA Soc codec driver
3  *
4  * Copyright (c) 2012 Dialog Semiconductor
5  *
6  * Tested on (Samsung SMDK6410 board + DA9055 EVB) using I2S and I2C
7  * Written by David Chen <david.chen@diasemi.com> and
8  * Ashish Chavan <ashish.chavan@kpitcummins.com>
9  *
10  * This program is free software; you can redistribute it and/or modify it
11  * under the terms of the GNU General Public License as published by the
12  * Free Software Foundation; either version 2 of the License, or (at your
13  * option) any later version.
14  */
15 
16 #ifndef __SOUND_DA9055_H__
17 #define __SOUND_DA9055_H__
18 
19 enum da9055_micbias_voltage {
20 	DA9055_MICBIAS_1_6V = 0,
21 	DA9055_MICBIAS_1_8V = 1,
22 	DA9055_MICBIAS_2_1V = 2,
23 	DA9055_MICBIAS_2_2V = 3,
24 };
25 
26 struct da9055_platform_data {
27 	/* Selects which of the two MicBias pins acts as the bias source */
28 	bool micbias_source;
29 	/* Selects the micbias voltage */
30 	enum da9055_micbias_voltage micbias;
31 };
32 
33 #endif
34