From: <derek.fang@realtek.com>
To: <broonie@kernel.org>, <lgirdwood@gmail.com>
Cc: oder_chiou@realtek.com, jack.yu@realtek.com,
alsa-devel@alsa-project.org, lars@metafoo.de,
albertchen@realtek.com, Derek Fang <derek.fang@realtek.com>,
shumingf@realtek.com, flove@realtek.com
Subject: [PATCH] ASoC: rt5682s: Downsizing the DAC volume scale
Date: Thu, 21 Oct 2021 20:03:03 +0800 [thread overview]
Message-ID: <20211021120303.4601-1-derek.fang@realtek.com> (raw)
From: Derek Fang <derek.fang@realtek.com>
Use 0.75db/step of DAC volume instead of 1.5 to get
a more smooth volume curve.
Signed-off-by: Derek Fang <derek.fang@realtek.com>
---
sound/soc/codecs/rt5682s.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/soc/codecs/rt5682s.c b/sound/soc/codecs/rt5682s.c
index 9dd1796f3339..f6435b233a51 100644
--- a/sound/soc/codecs/rt5682s.c
+++ b/sound/soc/codecs/rt5682s.c
@@ -1003,7 +1003,7 @@ static int rt5682s_set_jack_detect(struct snd_soc_component *component,
return 0;
}
-static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -9450, 150, 0);
+static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -9562, 75, 0);
static const DECLARE_TLV_DB_SCALE(adc_vol_tlv, -1725, 75, 0);
static const DECLARE_TLV_DB_SCALE(adc_bst_tlv, 0, 1200, 0);
static const DECLARE_TLV_DB_SCALE(cbj_bst_tlv, -1200, 150, 0);
@@ -1011,7 +1011,7 @@ static const DECLARE_TLV_DB_SCALE(cbj_bst_tlv, -1200, 150, 0);
static const struct snd_kcontrol_new rt5682s_snd_controls[] = {
/* DAC Digital Volume */
SOC_DOUBLE_TLV("DAC1 Playback Volume", RT5682S_DAC1_DIG_VOL,
- RT5682S_L_VOL_SFT + 2, RT5682S_R_VOL_SFT + 2, 63, 0, dac_vol_tlv),
+ RT5682S_L_VOL_SFT + 1, RT5682S_R_VOL_SFT + 1, 127, 0, dac_vol_tlv),
/* CBJ Boost Volume */
SOC_SINGLE_TLV("CBJ Boost Volume", RT5682S_REC_MIXER,
--
2.17.1
next reply other threads:[~2021-10-21 12:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-21 12:03 derek.fang [this message]
2021-10-23 13:34 ` [PATCH] ASoC: rt5682s: Downsizing the DAC volume scale Mark Brown
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