diff options
| author | John Hsu <KCHSU0@nuvoton.com> | 2017-11-07 15:23:18 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2017-11-07 11:28:48 +0100 |
| commit | 14323ff8c21825e20810e893312f9321f9e4e72c (patch) | |
| tree | e4376fb4a771e4f07717879d1dac5249797699d2 /sound/soc/codecs/nau8540.h | |
| parent | e4d0db60e8d25cc62b9b7e32c18e7f6acc136055 (diff) | |
ASoC: nau8540: PGA short to ground
Change channel PGA input mode selection for better recording quality.
The patch shorts the inputs to ground with 12kOhm differentially
terminated.
Signed-off-by: John Hsu <KCHSU0@nuvoton.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/nau8540.h')
| -rw-r--r-- | sound/soc/codecs/nau8540.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sound/soc/codecs/nau8540.h b/sound/soc/codecs/nau8540.h index 14339f9bb01a..7083d4821ce4 100644 --- a/sound/soc/codecs/nau8540.h +++ b/sound/soc/codecs/nau8540.h @@ -184,6 +184,18 @@ #define NAU8540_PRECHARGE_DIS (0x1 << 13) #define NAU8540_GLOBAL_BIAS_EN (0x1 << 12) +/* FEPGA1 (0x69) */ +#define NAU8540_FEPGA1_MODCH2_SHT_SFT 7 +#define NAU8540_FEPGA1_MODCH2_SHT (0x1 << NAU8540_FEPGA1_MODCH2_SHT_SFT) +#define NAU8540_FEPGA1_MODCH1_SHT_SFT 3 +#define NAU8540_FEPGA1_MODCH1_SHT (0x1 << NAU8540_FEPGA1_MODCH1_SHT_SFT) + +/* FEPGA2 (0x6A) */ +#define NAU8540_FEPGA2_MODCH4_SHT_SFT 7 +#define NAU8540_FEPGA2_MODCH4_SHT (0x1 << NAU8540_FEPGA2_MODCH4_SHT_SFT) +#define NAU8540_FEPGA2_MODCH3_SHT_SFT 3 +#define NAU8540_FEPGA2_MODCH3_SHT (0x1 << NAU8540_FEPGA2_MODCH3_SHT_SFT) + /* System Clock Source */ enum { |