xref: /openbmc/linux/include/sound/max9768.h (revision 394d2bba)
1394d2bbaSWolfram Sang /*
2394d2bbaSWolfram Sang  * Platform data for MAX9768
3394d2bbaSWolfram Sang  * Copyright (C) 2011, 2012 by Wolfram Sang, Pengutronix e.K.
4394d2bbaSWolfram Sang  * same licence as the driver
5394d2bbaSWolfram Sang  */
6394d2bbaSWolfram Sang 
7394d2bbaSWolfram Sang #ifndef __SOUND_MAX9768_PDATA_H__
8394d2bbaSWolfram Sang #define __SOUND_MAX9768_PDATA_H__
9394d2bbaSWolfram Sang 
10394d2bbaSWolfram Sang /**
11394d2bbaSWolfram Sang  * struct max9768_pdata - optional platform specific MAX9768 configuration
12394d2bbaSWolfram Sang  * @shdn_gpio:	GPIO to SHDN pin. If not valid, pin must be hardwired HIGH
13394d2bbaSWolfram Sang  * @mute_gpio:	GPIO to MUTE pin. If not valid, control for mute won't be added
14394d2bbaSWolfram Sang  * @flags: configuration flags, e.g. set classic PWM mode (check datasheet
15394d2bbaSWolfram Sang  *         regarding "filterless modulation" which is default).
16394d2bbaSWolfram Sang  */
17394d2bbaSWolfram Sang struct max9768_pdata {
18394d2bbaSWolfram Sang 	int shdn_gpio;
19394d2bbaSWolfram Sang 	int mute_gpio;
20394d2bbaSWolfram Sang 	unsigned flags;
21394d2bbaSWolfram Sang #define MAX9768_FLAG_CLASSIC_PWM	(1 << 0)
22394d2bbaSWolfram Sang };
23394d2bbaSWolfram Sang 
24394d2bbaSWolfram Sang #endif /* __SOUND_MAX9768_PDATA_H__*/
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