ASoC: cs42l43: Fix maximum ADC Volume

[ Upstream commit e26f1cfeac6712516bfeed80890da664f4f2e88a ]

The range of ADC volume is -1 -> 3 (-6 to 18dB) so the number of levels
should actually be 4.

Fixes: fc918cbe874e ("ASoC: cs42l43: Add support for the cs42l43")
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20250306133254.1861046-1-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/sound/soc/codecs/cs42l43.c b/sound/soc/codecs/cs42l43.c
index 8ec4083cd3b80743da56449d88fd554517d48e51..2c43e4a6751b105e5638643b14180cc987ae90ee 100644 (file)
--- a/sound/soc/codecs/cs42l43.c
+++ b/sound/soc/codecs/cs42l43.c
@@ -1146,7 +1146,7 @@ static const struct snd_kcontrol_new cs42l43_controls[] = {
 
        SOC_DOUBLE_R_SX_TLV("ADC Volume", CS42L43_ADC_B_CTRL1, CS42L43_ADC_B_CTRL2,
                            CS42L43_ADC_PGA_GAIN_SHIFT,
-                           0xF, 5, cs42l43_adc_tlv),
+                           0xF, 4, cs42l43_adc_tlv),
 
        SOC_DOUBLE("PDM1 Invert Switch", CS42L43_DMIC_PDM_CTRL,
                   CS42L43_PDM1L_INV_SHIFT, CS42L43_PDM1R_INV_SHIFT, 1, 0),