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| author | Wolfram Sang <w.sang@pengutronix.de> | 2012-01-27 16:10:23 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-01-30 21:50:55 +0000 |
| commit | 394d2bbae3dbde0972b90415fc4b5628bbfd700f (patch) | |
| tree | 636760ae79af3892dab34114582f497190db3a42 /include/sound/max9768.h | |
| parent | ffa8d9df55206b72c94b33138e1feaafcaeaffdb (diff) | |
| download | linux-394d2bbae3dbde0972b90415fc4b5628bbfd700f.tar.gz linux-394d2bbae3dbde0972b90415fc4b5628bbfd700f.tar.bz2 linux-394d2bbae3dbde0972b90415fc4b5628bbfd700f.zip | |
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 <w.sang@pengutronix.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'include/sound/max9768.h')
| -rw-r--r-- | include/sound/max9768.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/sound/max9768.h b/include/sound/max9768.h new file mode 100644 index 000000000000..0f78b41d030e --- /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__*/ |