From ade82fdbae6905e80f107596f2e0b4df84490d28 Mon Sep 17 00:00:00 2001
From: "oder_chiou@realtek.com" <oder_chiou@realtek.com>
Date: Wed, 9 Aug 2017 09:56:14 +0800
Subject: [PATCH] ASoC: rt5514: Eliminate the noise in the ASRC case
Git-commit: ade82fdbae6905e80f107596f2e0b4df84490d28
Patch-mainline: v4.14-rc1
References: bsc#1051510
In the ASRC case, there is the noise if the clock is asynchronous with the
LRCK. The default settings will eliminate the noise.
Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
sound/soc/codecs/rt5514.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/sound/soc/codecs/rt5514.c b/sound/soc/codecs/rt5514.c
index 21cbb566c0d3..0eabe569ab73 100644
--- a/sound/soc/codecs/rt5514.c
+++ b/sound/soc/codecs/rt5514.c
@@ -64,6 +64,8 @@ static const struct reg_sequence rt5514_patch[] = {
{RT5514_ANA_CTRL_LDO10, 0x00028604},
{RT5514_ANA_CTRL_ADCFED, 0x00000800},
{RT5514_ASRC_IN_CTRL1, 0x00000003},
+ {RT5514_DOWNFILTER0_CTRL3, 0x10000362},
+ {RT5514_DOWNFILTER1_CTRL3, 0x10000362},
};
static const struct reg_default rt5514_reg[] = {
@@ -89,10 +91,10 @@ static const struct reg_default rt5514_reg[] = {
{RT5514_DELAY_BUF_CTRL3, 0x00000000},
{RT5514_DOWNFILTER0_CTRL1, 0x00020c2f},
{RT5514_DOWNFILTER0_CTRL2, 0x00020c2f},
- {RT5514_DOWNFILTER0_CTRL3, 0x00000362},
+ {RT5514_DOWNFILTER0_CTRL3, 0x10000362},
{RT5514_DOWNFILTER1_CTRL1, 0x00020c2f},
{RT5514_DOWNFILTER1_CTRL2, 0x00020c2f},
- {RT5514_DOWNFILTER1_CTRL3, 0x00000362},
+ {RT5514_DOWNFILTER1_CTRL3, 0x10000362},
{RT5514_ANA_CTRL_LDO10, 0x00028604},
{RT5514_ANA_CTRL_LDO18_16, 0x02000345},
{RT5514_ANA_CTRL_ADC12, 0x0000a2a8},
--
2.18.0