diff options
| author | Sergej Sawazki <ce3a@gmx.de> | 2015-05-13 11:39:01 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-05-13 16:51:36 +0200 |
| commit | c354b54cfdf63587154da4fa0731c1fbda44c589 (patch) | |
| tree | 18ca15a19d1085e8978503c6aa45abcc560fedfc /sound/soc/codecs/wm8741.h | |
| parent | Linux 4.1-rc1 (diff) | |
| download | linux-c354b54cfdf63587154da4fa0731c1fbda44c589.tar.xz linux-c354b54cfdf63587154da4fa0731c1fbda44c589.zip | |
ASoC: wm8741: Add differential mono mode support
The WM8741 DAC supports several differential output modes (stereo,
stereo reversed, mono left, mono right). Add platform data and DT
bindings to configure it.
Signed-off-by: Sergej Sawazki <ce3a@gmx.de>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/wm8741.h')
| -rw-r--r-- | sound/soc/codecs/wm8741.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8741.h b/sound/soc/codecs/wm8741.h index 56c1b1d4a681..c8835f65f342 100644 --- a/sound/soc/codecs/wm8741.h +++ b/sound/soc/codecs/wm8741.h @@ -194,6 +194,12 @@ #define WM8741_DITHER_SHIFT 0 /* DITHER - [1:0] */ #define WM8741_DITHER_WIDTH 2 /* DITHER - [1:0] */ +/* DIFF field values */ +#define WM8741_DIFF_MODE_STEREO 0 /* stereo normal */ +#define WM8741_DIFF_MODE_STEREO_REVERSED 2 /* stereo reversed */ +#define WM8741_DIFF_MODE_MONO_LEFT 1 /* mono left */ +#define WM8741_DIFF_MODE_MONO_RIGHT 3 /* mono right */ + /* * R32 (0x20) - ADDITONAL_CONTROL_1 */ @@ -208,4 +214,8 @@ #define WM8741_SYSCLK 0 +struct wm8741_platform_data { + u32 diff_mode; /* Differential Output Mode */ +}; + #endif |