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 08df87238eee95a2b71508b95dc9e8531a521d78..29a403526cd9e98ad943f359427a9a5bec6681f9 100644 (file)
--- 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[] = {