From: Derek Fang <derek.fang@realtek.com>
Date: Mon, 21 Jul 2025 03:47:28 +0000 (+0800)
Subject: ASoC: rt5650: Eliminate the high frequency glitch
X-Git-Tag: v6.16~13^2^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d312962188dd1f682b0351ccf9933334738ac462;p=thirdparty%2Flinux.git

ASoC: rt5650: Eliminate the high frequency glitch

The glitch was detected in the high frequency of the HP playback.
This patch adjusts the DAC dither setting to avoid this situation
for almost all cases.

Signed-off-by: Derek Fang <derek.fang@realtek.com>
Link: https://patch.msgid.link/20250721034728.1396238-1-derek.fang@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index 08df87238eee9..29a403526cd9e 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -82,6 +82,7 @@ static const struct reg_sequence rt5650_init_list[] = {
 	{0xf6,	0x0100},
 	{RT5645_PWR_ANLG1, 0x02},
 	{RT5645_IL_CMD3, 0x6728},
+	{RT5645_PR_BASE + 0x3a,	0x0000},
 };
 
 static const struct reg_default rt5645_reg[] = {