Thread (70 messages) 70 messages, 7 authors, 2022-10-14

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

From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Date: 2022-09-20 11:11:46
Also in: dri-devel, linux-clk, linux-devicetree, linux-mediatek, linux-phy, lkml

Il 19/09/22 18:56, Guillaume Ranquet ha scritto:
quoted hunk ↗ jump to hunk
Add HDMI audio support for mt8195

Signed-off-by: Guillaume Ranquet <redacted>
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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