ASoC: codecs/jz4760: add digital gain controls

Both the DAC and ADC have digital gain controls available
for their mixers, which go from -31 to 0db by step of 1db.

Signed-off-by: Christophe Branchereau <cbranchereau@gmail.com>
Link: https://lore.kernel.org/r/20230122210703.2552384-1-cbranchereau@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Christophe Branchereau 2023-01-22 22:07:03 +01:00 committed by Mark Brown
parent c2bc65274a
commit 36acae192d
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0

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@ -287,6 +287,7 @@ static const DECLARE_TLV_DB_MINMAX_MUTE(dac_tlv, -3100, 100);
static const DECLARE_TLV_DB_SCALE(adc_tlv, 0, 100, 0);
static const DECLARE_TLV_DB_MINMAX(out_tlv, -2500, 100);
static const DECLARE_TLV_DB_SCALE(linein_tlv, -2500, 100, 0);
static const DECLARE_TLV_DB_MINMAX(mixer_tlv, -3100, 0);
/* Unconditional controls. */
static const struct snd_kcontrol_new jz4760_codec_snd_controls[] = {
@ -299,6 +300,14 @@ static const struct snd_kcontrol_new jz4760_codec_snd_controls[] = {
JZ4760_CODEC_REG_GCR4, JZ4760_CODEC_REG_GCR3,
REG_GCR_GAIN_OFFSET, REG_GCR_GAIN_MAX, 1, linein_tlv),
SOC_SINGLE_TLV("Mixer Capture Volume",
JZ4760_CODEC_REG_MIX1,
REG_GCR_GAIN_OFFSET, REG_GCR_GAIN_MAX, 1, mixer_tlv),
SOC_SINGLE_TLV("Mixer Playback Volume",
JZ4760_CODEC_REG_MIX2,
REG_GCR_GAIN_OFFSET, REG_GCR_GAIN_MAX, 1, mixer_tlv),
SOC_SINGLE("High-Pass Filter Capture Switch",
JZ4760_CODEC_REG_CR4,
REG_CR4_ADC_HPF_OFFSET, 1, 0),