linux-kernel - [PATCH 7/7] ASoC: cs42l51: add adc volume control

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Date:   Wed, 3 Apr 2019 15:23:37 +0200
From:   Olivier Moysan <olivier.moysan@...com>
To:     <lgirdwood@...il.com>, <broonie@...nel.org>, <perex@...ex.cz>,
        <tiwai@...e.com>, <mcoquelin.stm32@...il.com>,
        <alexandre.torgue@...com>, <alsa-devel@...a-project.org>,
        <robh@...nel.org>, <mark.rutland@....com>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-kernel@...r.kernel.org>, <olivier.moysan@...com>,
        <arnaud.pouliquen@...com>, <benjamin.gaignard@...com>,
        <apatard@...driva.com>
Subject: [PATCH 7/7] ASoC: cs42l51: add adc volume control

Add ADC boost volume control for CS42L51 codec.

Signed-off-by: Olivier Moysan <olivier.moysan@...com>
---
 sound/soc/codecs/cs42l51.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sound/soc/codecs/cs42l51.c b/sound/soc/codecs/cs42l51.c
index 25f17c0051e4..991e4ebd7a04 100644
--- a/sound/soc/codecs/cs42l51.c
+++ b/sound/soc/codecs/cs42l51.c
@@ -123,6 +123,7 @@ static const DECLARE_TLV_DB_SCALE(tone_tlv, -1050, 150, 0);
 static const DECLARE_TLV_DB_SCALE(aout_tlv, -10200, 50, 0);
 
 static const DECLARE_TLV_DB_SCALE(boost_tlv, 1600, 1600, 0);
+static const DECLARE_TLV_DB_SCALE(adc_boost_tlv, 2000, 2000, 0);
 static const char *chan_mix[] = {
 	"L R",
 	"L+R",
@@ -151,6 +152,8 @@ static const struct snd_kcontrol_new cs42l51_snd_controls[] = {
 	SOC_SINGLE("Zero Cross Switch", CS42L51_DAC_CTL, 0, 0, 0),
 	SOC_DOUBLE_TLV("Mic Boost Volume",
 			CS42L51_MIC_CTL, 0, 1, 1, 0, boost_tlv),
+	SOC_DOUBLE_TLV("ADC Boost Volume",
+		       CS42L51_MIC_CTL, 5, 6, 1, 0, adc_boost_tlv),
 	SOC_SINGLE_TLV("Bass Volume", CS42L51_TONE_CTL, 0, 0xf, 1, tone_tlv),
 	SOC_SINGLE_TLV("Treble Volume", CS42L51_TONE_CTL, 4, 0xf, 1, tone_tlv),
 	SOC_ENUM_EXT("PCM channel mixer",
-- 
2.7.4