ASoC: rt715-sdca: volume step modification

Volume step (dB/step) modification to fix format error
which shown in amixer control.
Signed-off-by: Jack Yu <jack.yu@realtek.com>
Link: https://lore.kernel.org/r/b1f546ad16dc4c7abb7daa7396e8345c@realtek.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/rt715-sdca.c

@@ -316,7 +316,7 @@ static int rt715_sdca_set_amp_gain_8ch_get(struct snd_kcontrol *kcontrol,
 	return 0;
 }
 
-static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -17625, 375, 0);
+static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -1725, 75, 0);
 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
 
 static int rt715_sdca_get_volsw(struct snd_kcontrol *kcontrol,
@@ -477,7 +477,7 @@ static const struct snd_kcontrol_new rt715_sdca_snd_controls[] = {
 			RT715_SDCA_FU_VOL_CTRL, CH_01),
 		SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC7_27_VOL,
 			RT715_SDCA_FU_VOL_CTRL, CH_02),
-			0x2f, 0x7f, 0,
+			0x2f, 0x3f, 0,
 		rt715_sdca_set_amp_gain_get, rt715_sdca_set_amp_gain_put,
 		in_vol_tlv),
 	RT715_SDCA_EXT_TLV("FU02 Capture Volume",
@@ -485,13 +485,13 @@ static const struct snd_kcontrol_new rt715_sdca_snd_controls[] = {
 			RT715_SDCA_FU_VOL_CTRL, CH_01),
 		rt715_sdca_set_amp_gain_4ch_get,
 		rt715_sdca_set_amp_gain_4ch_put,
-		in_vol_tlv, 4, 0x7f),
+		in_vol_tlv, 4, 0x3f),
 	RT715_SDCA_EXT_TLV("FU06 Capture Volume",
 		SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_ADC10_11_VOL,
 			RT715_SDCA_FU_VOL_CTRL, CH_01),
 		rt715_sdca_set_amp_gain_4ch_get,
 		rt715_sdca_set_amp_gain_4ch_put,
-		in_vol_tlv, 4, 0x7f),
+		in_vol_tlv, 4, 0x3f),
 	/* MIC Boost Control */
 	RT715_SDCA_BOOST_EXT_TLV("FU0E Boost",
 		SDW_SDCA_CTL(FUN_MIC_ARRAY, RT715_SDCA_FU_DMIC_GAIN_EN,