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Diffstat (limited to 'sound/soc/codecs/lm4857.h')
| -rw-r--r-- | sound/soc/codecs/lm4857.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/sound/soc/codecs/lm4857.h b/sound/soc/codecs/lm4857.h new file mode 100644 index 00000000000..a107d2f5241 --- /dev/null +++ b/sound/soc/codecs/lm4857.h @@ -0,0 +1,34 @@ +/* + * lm4857.h -- ALSA Soc Audio Layer + * + * Copyright 2007 Wolfson Microelectronics PLC. + * Author: Graeme Gregory + * graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * Revision history + * 18th Jun 2007 Initial version. + */ + +#ifndef LM4857_H_ +#define LM4857_H_ + +int lm4857_add_controls(struct snd_soc_codec *codec); + +/* The register offsets in the cache array */ +#define LM4857_MVOL 0 +#define LM4857_LVOL 1 +#define LM4857_RVOL 2 +#define LM4857_CTRL 3 + +/* the shifts required to set these bits */ +#define LM4857_3D 5 +#define LM4857_WAKEUP 5 +#define LM4857_EPGAIN 4 + +#endif /*LM4857_H_*/ + |