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SubjectRe: [PATCH v1 12/17] drm/mediatek: hdmi: mt8195: add audio support
From
Il 19/09/22 18:56, Guillaume Ranquet ha scritto:
> Add HDMI audio support for mt8195
>
> Signed-off-by: Guillaume Ranquet <granquet@baylibre.com>
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_mt8195_hdmi.c b/drivers/gpu/drm/mediatek/mtk_mt8195_hdmi.c
> index 39e07a6dd490..bb7593ea4c86 100644
> --- a/drivers/gpu/drm/mediatek/mtk_mt8195_hdmi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_mt8195_hdmi.c
> @@ -215,6 +215,26 @@ static void mtk_hdmi_hw_vid_black(struct mtk_hdmi *hdmi, bool black)
> mtk_hdmi_mask(hdmi, TOP_VMUTE_CFG1, 0, REG_VMUTE_EN);
> }
>
> +static void mtk_hdmi_hw_aud_mute(struct mtk_hdmi *hdmi)
> +{
> + u32 val;
> +
> + val = mtk_hdmi_read(hdmi, AIP_CTRL, &val);
> +

val_tx = AUD_MUTE_FIFO_EN;
if (val & DSD_EN)
val_tx |= DSD_MUTE_DATA;

regmap_set_bits(regmap, AIP_TXCTRL, val_tx);

Easier, shorter.

> + if (val & DSD_EN)
> + mtk_hdmi_mask(hdmi, AIP_TXCTRL,
> + DSD_MUTE_DATA | AUD_MUTE_FIFO_EN,
> + DSD_MUTE_DATA | AUD_MUTE_FIFO_EN);
> + else
> + mtk_hdmi_mask(hdmi, AIP_TXCTRL, AUD_MUTE_FIFO_EN,
> + AUD_MUTE_FIFO_EN);
> +}

Regards,
Angelo

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