From f7d3d2d8e8891433dc76f2427441b2584729e200 Mon Sep 17 00:00:00 2001 From: Petr Kulhavy Date: Wed, 1 Jun 2016 09:30:00 +0200 Subject: ASoC: tas571x: add input channel mixer for TAS5717/19 Add channel 1 and 2 input mixer registers and the related ALSA mixer controls for TAS5717/19 chips. The mixer control coefficients on the chip are linear in the range -3.99999 to +3.99999, encoded in 3.23 number format. In this patch the mixer controls are limited to 128 values from 0.0 to 1.0 in 1/64 steps. Signed-off-by: Petr Kulhavy Signed-off-by: Mark Brown --- sound/soc/codecs/tas571x.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'sound/soc/codecs/tas571x.h') diff --git a/sound/soc/codecs/tas571x.h b/sound/soc/codecs/tas571x.h index bf4d4362c784..c45677bc26ad 100644 --- a/sound/soc/codecs/tas571x.h +++ b/sound/soc/codecs/tas571x.h @@ -87,4 +87,9 @@ #define TAS5717_CH3_BQ0_REG 0x5e #define TAS5717_CH3_BQ1_REG 0x5f +#define TAS5717_CH1_RIGHT_CH_MIX_REG 0x72 +#define TAS5717_CH1_LEFT_CH_MIX_REG 0x73 +#define TAS5717_CH2_LEFT_CH_MIX_REG 0x76 +#define TAS5717_CH2_RIGHT_CH_MIX_REG 0x77 + #endif /* _TAS571X_H */ -- cgit