6.9-stable review patch. If anyone has any objections, please let me know.
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From: Hsin-Te Yuan yuanhsinte@chromium.org
[ 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@chromium.org Reviewed-by: AngeloGioacchino Del Regno angelogioacchino.delregno@collabora.com Reviewed-by: Chen-Yu Tsai wenst@chromium.org Link: https://lore.kernel.org/r/20240509-8192-tdm-v1-1-530b54645763@chromium.org Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.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; }