Unverified Commit 36acae19 authored by Christophe Branchereau's avatar Christophe Branchereau Committed by Mark Brown
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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: default avatarChristophe Branchereau <cbranchereau@gmail.com>
Link: https://lore.kernel.org/r/20230122210703.2552384-1-cbranchereau@gmail.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent c2bc6527

sound/soc/codecs/jz4760.c

+9 −0
Original line number Diff line number Diff line
@@ -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),