[PATCH v1 12/17] drm/mediatek: hdmi: mt8195: add audio support

[Guillaume Ranquet]

On Tue, 20 Sep 2022 13:11, AngeloGioacchino Del Regno
<angelogioacchino.delregno at collabora.com> wrote:
>Il 19/09/22 18:56, Guillaume Ranquet ha scritto:
>> Add HDMI audio support for mt8195
>>
>> Signed-off-by: Guillaume Ranquet <granquet at 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.

Thx for the tip.

>
>> +	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
>