1 /* 2 * Platform data for MAX9768 3 * Copyright (C) 2011, 2012 by Wolfram Sang, Pengutronix e.K. 4 * same licence as the driver 5 */ 6 7 #ifndef __SOUND_MAX9768_PDATA_H__ 8 #define __SOUND_MAX9768_PDATA_H__ 9 10 /** 11 * struct max9768_pdata - optional platform specific MAX9768 configuration 12 * @shdn_gpio: GPIO to SHDN pin. If not valid, pin must be hardwired HIGH 13 * @mute_gpio: GPIO to MUTE pin. If not valid, control for mute won't be added 14 * @flags: configuration flags, e.g. set classic PWM mode (check datasheet 15 * regarding "filterless modulation" which is default). 16 */ 17 struct max9768_pdata { 18 int shdn_gpio; 19 int mute_gpio; 20 unsigned flags; 21 #define MAX9768_FLAG_CLASSIC_PWM (1 << 0) 22 }; 23 24 #endif /* __SOUND_MAX9768_PDATA_H__*/ 25