linux-kernel - [PATCH 4.19 252/422] ASoC: rt5682: Fix the boost volume at the begining of playback

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Date:   Tue, 19 Nov 2019 06:17:29 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Shuming Fan <shumingf@...ltek.com>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 252/422] ASoC: rt5682: Fix the boost volume at the begining of playback

From: Shuming Fan <shumingf@...ltek.com>

[ Upstream commit 28b20dde5e1c943ab899549a655ac4935cffccbb ]

This patch fixed the boost volume at the begining of playback
while DAC volume set to lower level.

Signed-off-by: Shuming Fan <shumingf@...ltek.com>
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 sound/soc/codecs/rt5682.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sound/soc/codecs/rt5682.c b/sound/soc/codecs/rt5682.c
index 21e7c430baf7f..7a78bb00f874d 100644
--- a/sound/soc/codecs/rt5682.c
+++ b/sound/soc/codecs/rt5682.c
@@ -68,6 +68,7 @@ struct rt5682_priv {
 
 static const struct reg_sequence patch_list[] = {
 	{0x01c1, 0x1000},
+	{RT5682_DAC_ADC_DIG_VOL1, 0xa020},
 };
 
 static const struct reg_default rt5682_reg[] = {
@@ -1457,6 +1458,8 @@ static int rt5682_hp_event(struct snd_soc_dapm_widget *w,
 			RT5682_NG2_EN_MASK, RT5682_NG2_EN);
 		snd_soc_component_update_bits(component,
 			RT5682_DEPOP_1, 0x60, 0x60);
+		snd_soc_component_update_bits(component,
+			RT5682_DAC_ADC_DIG_VOL1, 0x00c0, 0x0080);
 		break;
 
 	case SND_SOC_DAPM_POST_PMD:
@@ -1464,6 +1467,8 @@ static int rt5682_hp_event(struct snd_soc_dapm_widget *w,
 			RT5682_DEPOP_1, 0x60, 0x0);
 		snd_soc_component_write(component,
 			RT5682_HP_CTRL_2, 0x0000);
+		snd_soc_component_update_bits(component,
+			RT5682_DAC_ADC_DIG_VOL1, 0x00c0, 0x0000);
 		break;
 
 	default:
-- 
2.20.1