diff mbox series

[3/5] ASoC: mediatek: mt8192: change mclk_multiple of TDM from 128 to 512

Message ID 20210120080850.699354-4-tzungbi@google.com (mailing list archive)
State Accepted
Commit df369921d726410a093de48d33e605fd4e0ee33c
Headers show
Series ASoC: mediatek: mt8192-mt6359: support DP audio | expand

Commit Message

Tzung-Bi Shih Jan. 20, 2021, 8:08 a.m. UTC 
mclk = rate * mclk_multiple
bclk = rate * channel * sample_width

If TDM outputs 8 channels and 32 bits, bclk will be greater than mclk.

Changes the ratio from 128 to 512.

Signed-off-by: Tzung-Bi Shih <tzungbi@google.com>
---
 sound/soc/mediatek/mt8192/mt8192-dai-tdm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/sound/soc/mediatek/mt8192/mt8192-dai-tdm.c b/sound/soc/mediatek/mt8192/mt8192-dai-tdm.c
index 8383536b7ae0..f5de1d769679 100644
--- a/sound/soc/mediatek/mt8192/mt8192-dai-tdm.c
+++ b/sound/soc/mediatek/mt8192/mt8192-dai-tdm.c
@@ -738,7 +738,7 @@  static struct mtk_afe_tdm_priv *init_tdm_priv_data(struct mtk_base_afe *afe)
 	if (!tdm_priv)
 		return NULL;
 
-	tdm_priv->mclk_multiple = 128;
+	tdm_priv->mclk_multiple = 512;
 	tdm_priv->bck_id = MT8192_I2S4_BCK;
 	tdm_priv->mclk_id = MT8192_I2S4_MCK;
 	tdm_priv->id = MT8192_DAI_TDM;