This is a note to let you know that I've just added the patch titled
ASoC: mediatek: mt8192: fix register configuration for tdm
to the 6.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
asoc-mediatek-mt8192-fix-register-configuration-for-.patch
and it can be found in the queue-6.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 34bf40ff92e4e14f806ef23ef038268bbd57206f
Author: Hsin-Te Yuan <yuanhsinte@xxxxxxxxxxxx>
Date: Thu May 9 07:31:29 2024 +0000
ASoC: mediatek: mt8192: fix register configuration for tdm
[ Upstream commit a85ed162f0efcfdd664954414a05d1d560cc95dc ]
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@xxxxxxxxxxxx>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
Reviewed-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20240509-8192-tdm-v1-1-530b54645763@xxxxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
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;
}
