From 394d2bbae3dbde0972b90415fc4b5628bbfd700f Mon Sep 17 00:00:00 2001 From: Wolfram Sang Date: Fri, 27 Jan 2012 16:10:23 +0100 Subject: ASoC: max9768: add driver for max9768 amplifier Add a driver supporting the volume control and the mute pin. Shdn pin and DAPM are not taken care of yet. Signed-off-by: Wolfram Sang Signed-off-by: Mark Brown --- include/sound/max9768.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 include/sound/max9768.h (limited to 'include/sound/max9768.h') diff --git a/include/sound/max9768.h b/include/sound/max9768.h new file mode 100644 index 00000000000..0f78b41d030 --- /dev/null +++ b/include/sound/max9768.h @@ -0,0 +1,24 @@ +/* + * 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__*/ -- cgit v1.2.3-70-g09d2