include/sound/max9768.h

   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__*/