ASoC: mediatek: mt8186: fix DMIC record noise

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@mediatek.com>
Link: https://lore.kernel.org/r/20220820071925.13557-1-jiaxin.yu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/mediatek/mt8186/mt8186-dai-adda.c b/sound/soc/mediatek/mt8186/mt8186-dai-adda.c
index 2667045..0944024 100644 (file)
--- 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;