acrn-kernel/include/sound/max9768.h

25 lines
729 B
C

/*
* Platform data for MAX9768
* Copyright (C) 2011, 2012 by Wolfram Sang, Pengutronix e.K.
* same licence as the driver
*/
#ifndef __SOUND_MAX9768_PDATA_H__
#define __SOUND_MAX9768_PDATA_H__
/**
* struct max9768_pdata - optional platform specific MAX9768 configuration
* @shdn_gpio: GPIO to SHDN pin. If not valid, pin must be hardwired HIGH
* @mute_gpio: GPIO to MUTE pin. If not valid, control for mute won't be added
* @flags: configuration flags, e.g. set classic PWM mode (check datasheet
* regarding "filterless modulation" which is default).
*/
struct max9768_pdata {
int shdn_gpio;
int mute_gpio;
unsigned flags;
#define MAX9768_FLAG_CLASSIC_PWM (1 << 0)
};
#endif /* __SOUND_MAX9768_PDATA_H__*/