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Subject[PATCH] ASoC: mediatek: mt8192: fix register configuration for tdm
For DSP_A, data is a BCK cycle behind LRCK trigger edge. For DSP_B, this
delay doesn't exist. Fix the delay configuration to match the standard.

Fixes: 52fcd65414abfc ("ASoC: mediatek: mt8192: support tdm in platform driver")
Signed-off-by: Hsin-Te Yuan <yuanhsinte@chromium.org>
---
sound/soc/mediatek/mt8192/mt8192-dai-tdm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/mediatek/mt8192/mt8192-dai-tdm.c b/sound/soc/mediatek/mt8192/mt8192-dai-tdm.c
index 9ce06821c7d0f..49440db370af0 100644
--- a/sound/soc/mediatek/mt8192/mt8192-dai-tdm.c
+++ b/sound/soc/mediatek/mt8192/mt8192-dai-tdm.c
@@ -566,10 +566,10 @@ static int mtk_dai_tdm_hw_params(struct snd_pcm_substream *substream,
tdm_con |= 1 << DELAY_DATA_SFT;
tdm_con |= get_tdm_lrck_width(format) << LRCK_TDM_WIDTH_SFT;
} else if (tdm_priv->tdm_out_mode == TDM_OUT_DSP_A) {
- tdm_con |= 0 << DELAY_DATA_SFT;
+ tdm_con |= 1 << DELAY_DATA_SFT;
tdm_con |= 0 << LRCK_TDM_WIDTH_SFT;
} else if (tdm_priv->tdm_out_mode == TDM_OUT_DSP_B) {
- tdm_con |= 1 << DELAY_DATA_SFT;
+ tdm_con |= 0 << DELAY_DATA_SFT;
tdm_con |= 0 << LRCK_TDM_WIDTH_SFT;
}

---
base-commit: 45db3ab70092637967967bfd8e6144017638563c
change-id: 20240509-8192-tdm-cbf2a73c9dd3
Best regards,
--
Hsin-Te Yuan <yuanhsinte@chromium.org>


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