[PATCH] ASoC: mediatek: mt8186: fix DMIC record noise

Jiaxin Yu jiaxin.yu at mediatek.com
Sat Aug 20 00:19:25 PDT 2022


When the first DMIC recording is power down, mtkaif_dmic will be reset.
This will cause configuration error in the second DMIC recording. So do
not reset mtkaif_dmic except in "MTKAIF_DMIC Switch" kcontrol.

Signed-off-by: Jiaxin Yu <jiaxin.yu at mediatek.com>
---
 sound/soc/mediatek/mt8186/mt8186-dai-adda.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/sound/soc/mediatek/mt8186/mt8186-dai-adda.c b/sound/soc/mediatek/mt8186/mt8186-dai-adda.c
index 266704556f37..094402470dc2 100644
--- a/sound/soc/mediatek/mt8186/mt8186-dai-adda.c
+++ b/sound/soc/mediatek/mt8186/mt8186-dai-adda.c
@@ -271,9 +271,6 @@ static int mtk_adda_ul_event(struct snd_soc_dapm_widget *w,
 		/* should delayed 1/fs(smallest is 8k) = 125us before afe off */
 		usleep_range(125, 135);
 		mt8186_afe_gpio_request(afe->dev, false, MT8186_DAI_ADDA, 1);
-
-		/* reset dmic */
-		afe_priv->mtkaif_dmic = 0;
 		break;
 	default:
 		break;
-- 
2.25.1




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