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