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ASoC: mediatek: mt8192: fix register configuration for tdm

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[ Upstream commit a85ed162f0 ]

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: 52fcd65414 ("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>
This commit is contained in:
Hsin-Te Yuan 2024-05-09 07:31:29 +00:00 committed by Greg Kroah-Hartman
parent 9054c474f9
commit 38c2fd9aed
1 changed files with 2 additions and 2 deletions
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4
sound/soc/mediatek/mt8192/mt8192-dai-tdm.c
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@ -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;
}