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ASoC: codecs/jz4770: Add missing gain control after DAC/ADC mixer 

The capture and playback paths both have a configurable gain after their
respective mixer, which can be set from -31 dB to 0 dB in 32 steps.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20211125232543.117074-1-paul@crapouillou.net
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Paul Cercueil 2021-11-25 23:25:43 +00:00 committed by Mark Brown
parent f670b274f7
commit 0b18939594
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GPG Key ID: 24D68B725D5487D0
1 changed files with 9 additions and 0 deletions
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9
sound/soc/codecs/jz4770.c
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@ -307,6 +307,7 @@ static const DECLARE_TLV_DB_MINMAX_MUTE(dac_tlv, -3100, 0);
static const DECLARE_TLV_DB_SCALE(adc_tlv, 0, 100, 0);
static const DECLARE_TLV_DB_MINMAX(out_tlv, -2500, 600);
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 jz4770_codec_snd_controls[] = {
@ -319,6 +320,14 @@ static const struct snd_kcontrol_new jz4770_codec_snd_controls[] = {
SOC_DOUBLE_R_TLV("Line In Bypass Playback Volume",
JZ4770_CODEC_REG_GCR_LIBYL, JZ4770_CODEC_REG_GCR_LIBYR,
REG_GCR_GAIN_OFFSET, REG_GCR_GAIN_MAX, 1, linein_tlv),
SOC_SINGLE_TLV("Mixer Capture Volume",
JZ4770_CODEC_REG_GCR_MIXADC,
REG_GCR_GAIN_OFFSET, REG_GCR_GAIN_MAX, 1, mixer_tlv),
SOC_SINGLE_TLV("Mixer Playback Volume",
JZ4770_CODEC_REG_GCR_MIXDAC,
REG_GCR_GAIN_OFFSET, REG_GCR_GAIN_MAX, 1, mixer_tlv),
};
static const struct snd_kcontrol_new jz4770_codec_pcm_playback_controls[] = {