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Message-ID: <CAGXv+5HYsKFpHWXE45N+4K1LbKA1Lan8rDHm6=+YvsY0CXKoMg@mail.gmail.com>
Date: Thu, 9 May 2024 16:58:19 +0800
From: Chen-Yu Tsai <wenst@...omium.org>
To: Hsin-Te Yuan <yuanhsinte@...omium.org>
Cc: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
Jiaxin Yu <jiaxin.yu@...iatek.com>, linux-sound@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH] ASoC: mediatek: mt8192: fix register configuration for tdm
On Thu, May 9, 2024 at 3:31 PM Hsin-Te Yuan <yuanhsinte@...omium.org> wrote:
>
> 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@...omium.org>
Reviewed-by: Chen-Yu Tsai <wenst@...omium.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@...omium.org>
>
>
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