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authorShuming Fan <shumingf@realtek.com>2020-03-17 10:33:08 +0300
committerMark Brown <broonie@kernel.org>2020-03-18 20:22:47 +0300
commit557270e8dc79f66a1db8907eb3079ade60241fe7 (patch)
treeb01a0b322504ef6868ac9fecfe617e8ac3be81b3 /sound/soc/codecs/rt5682.h
parent28ddd846077a0c7d8382f41cef6840167d236c83 (diff)
downloadlinux-557270e8dc79f66a1db8907eb3079ade60241fe7.tar.xz
ASoC: rt5682: fix the random recording noise of headset
The cycle time of FIFO clock should increase 2 times to avoid the random recording noise issue. This setting could apply to all known situations in i2s mode. Signed-off-by: Shuming Fan <shumingf@realtek.com> Link: https://lore.kernel.org/r/20200317073308.11572-1-shumingf@realtek.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/rt5682.h')
-rw-r--r--sound/soc/codecs/rt5682.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt5682.h b/sound/soc/codecs/rt5682.h
index 18faaa2a49a0..fc99e7484283 100644
--- a/sound/soc/codecs/rt5682.h
+++ b/sound/soc/codecs/rt5682.h
@@ -651,6 +651,8 @@
#define RT5682_DMIC_1_EN_SFT 15
#define RT5682_DMIC_1_DIS (0x0 << 15)
#define RT5682_DMIC_1_EN (0x1 << 15)
+#define RT5682_FIFO_CLK_DIV_MASK (0x7 << 12)
+#define RT5682_FIFO_CLK_DIV_2 (0x1 << 12)
#define RT5682_DMIC_1_DP_MASK (0x3 << 4)
#define RT5682_DMIC_1_DP_SFT 4
#define RT5682_DMIC_1_DP_GPIO2 (0x0 << 4)