linux-kernel - [PATCH AUTOSEL 5.18 14/47] ASoC: cs42l51: Correct minimum value for SX volume control

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Message-Id: <20220614020441.1098348-14-sashal@kernel.org>
Date:   Mon, 13 Jun 2022 22:04:07 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Charles Keepax <ckeepax@...nsource.cirrus.com>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>, brian.austin@...rus.com,
        Paul.Handrigan@...rus.com, lgirdwood@...il.com, perex@...ex.cz,
        tiwai@...e.com, alsa-devel@...a-project.org
Subject: [PATCH AUTOSEL 5.18 14/47] ASoC: cs42l51: Correct minimum value for SX volume control

From: Charles Keepax <ckeepax@...nsource.cirrus.com>

[ Upstream commit fcb3b5a58926d16d9a338841b74af06d4c29be15 ]

The minimum value for the PGA Volume is given as 0x1A, however the
values from there to 0x19 are all the same volume and this is not
represented in the TLV structure. The number of volumes given is correct
so this leads to all the volumes being shifted. Move the minimum value
up to 0x19 to fix this.

Signed-off-by: Charles Keepax <ckeepax@...nsource.cirrus.com>
Link: https://lore.kernel.org/r/20220602162119.3393857-7-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 sound/soc/codecs/cs42l51.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/cs42l51.c b/sound/soc/codecs/cs42l51.c
index e9c3cb4e2bfc..b9c262a15edf 100644
--- a/sound/soc/codecs/cs42l51.c
+++ b/sound/soc/codecs/cs42l51.c
@@ -146,7 +146,7 @@ static const struct snd_kcontrol_new cs42l51_snd_controls[] = {
 			0, 0xA0, 96, adc_att_tlv),
 	SOC_DOUBLE_R_SX_TLV("PGA Volume",
 			CS42L51_ALC_PGA_CTL, CS42L51_ALC_PGB_CTL,
-			0, 0x1A, 30, pga_tlv),
+			0, 0x19, 30, pga_tlv),
 	SOC_SINGLE("Playback Deemphasis Switch", CS42L51_DAC_CTL, 3, 1, 0),
 	SOC_SINGLE("Auto-Mute Switch", CS42L51_DAC_CTL, 2, 1, 0),
 	SOC_SINGLE("Soft Ramp Switch", CS42L51_DAC_CTL, 1, 1, 0),
-- 
2.35.1