From e27115aa169c394cad3accac12465122e286f4fd Mon Sep 17 00:00:00 2001
From: Jason Zhu <jason.zhu@rock-chips.com>
Date: Mon, 28 Oct 2024 19:23:52 +0800
Subject: [PATCH] ASoC: codecs: rk_dsm: fix audio aliasing

Set the dsm registers default value so that they can not be changed
as zero with regmap interface.

Change-Id: I1788fe2cabcb65ba09964a79d2fe20c057924839
Signed-off-by: Jason Zhu <jason.zhu@rock-chips.com>
---
 sound/soc/codecs/rk_dsm.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/sound/soc/codecs/rk_dsm.c b/sound/soc/codecs/rk_dsm.c
index 23ad1db45380..15cb7f89e1e9 100644
--- a/sound/soc/codecs/rk_dsm.c
+++ b/sound/soc/codecs/rk_dsm.c
@@ -454,11 +454,19 @@ static const struct snd_soc_component_driver soc_codec_dev_rd = {
 	.num_controls = ARRAY_SIZE(rk_dsm_snd_controls),
 };
 
+static const struct reg_default rd_reg_defaults[] = {
+	{ DACVUCTL, 0x1 },
+	{ DACINT_DIV, 0x7 },
+	{ DACDSM_DIV, 0x3 },
+};
+
 static const struct regmap_config rd_regmap_config = {
 	.reg_bits = 32,
 	.reg_stride = 4,
 	.val_bits = 32,
 	.max_register = VERSION,
+	.reg_defaults = rd_reg_defaults,
+	.num_reg_defaults = ARRAY_SIZE(rd_reg_defaults),
 	.cache_type = REGCACHE_FLAT,
 };