diff options
| author | Mark Brown <broonie@linaro.org> | 2014-02-07 19:16:56 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-02-07 19:53:53 +0000 |
| commit | 5be2fc20b101b5138c4f54a584dc11790ef16598 (patch) | |
| tree | 0e838bc5c10cff070a3f984e4cff5d426e7edf64 /sound | |
| parent | 806d6466076a0aebbe0a9c17294d1a13e93fabcf (diff) | |
ASoC: pcm512x: Implement analogue volume control
There are some analogue volume controls in page 1 of the register map so
implement support for them now that we can access the registers.
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/codecs/pcm512x.c | 6 | ||||
| -rw-r--r-- | sound/soc/codecs/pcm512x.h | 8 |
2 files changed, 14 insertions, 0 deletions
diff --git a/sound/soc/codecs/pcm512x.c b/sound/soc/codecs/pcm512x.c index cdcb51e4c86f..3a0bbb6ab242 100644 --- a/sound/soc/codecs/pcm512x.c +++ b/sound/soc/codecs/pcm512x.c @@ -184,6 +184,8 @@ static bool pcm512x_volatile(struct device *dev, unsigned int reg) } static const DECLARE_TLV_DB_SCALE(digital_tlv, -10350, 50, 1); +static const DECLARE_TLV_DB_SCALE(analog_tlv, -600, 600, 0); +static const DECLARE_TLV_DB_SCALE(boost_tlv, 0, 80, 0); static const char * const pcm512x_dsp_program_texts[] = { "FIR interpolation with de-emphasis", @@ -261,6 +263,10 @@ static const struct soc_enum pcm512x_veds = static const struct snd_kcontrol_new pcm512x_controls[] = { SOC_DOUBLE_R_TLV("Playback Digital Volume", PCM512x_DIGITAL_VOLUME_2, PCM512x_DIGITAL_VOLUME_3, 0, 255, 1, digital_tlv), +SOC_DOUBLE_TLV("Playback Volume", PCM512x_ANALOG_GAIN_CTRL, + PCM512x_LAGN_SHIFT, PCM512x_RAGN_SHIFT, 1, 1, analog_tlv), +SOC_DOUBLE_TLV("Playback Boost Volume", PCM512x_ANALOG_GAIN_BOOST, + PCM512x_AGBL_SHIFT, PCM512x_AGBR_SHIFT, 1, 0, boost_tlv), SOC_DOUBLE("Playback Digital Switch", PCM512x_MUTE, PCM512x_RQML_SHIFT, PCM512x_RQMR_SHIFT, 1, 1), diff --git a/sound/soc/codecs/pcm512x.h b/sound/soc/codecs/pcm512x.h index e58743c965d6..ac4a52c9ccf4 100644 --- a/sound/soc/codecs/pcm512x.h +++ b/sound/soc/codecs/pcm512x.h @@ -151,4 +151,12 @@ #define PCM512x_AMLE_SHIFT 1 #define PCM512x_AMLR_SHIFT 0 +/* Page 1, Register 2 - analog volume control */ +#define PCM512x_RAGN_SHIFT 0 +#define PCM512x_LAGN_SHIFT 4 + +/* Page 1, Register 7 - analog boost control */ +#define PCM512x_AGBR_SHIFT 0 +#define PCM512x_AGBL_SHIFT 4 + #endif |