[PATCH v3 04/17] video: dw_hdmi: Add read_hpd hook

[Jagan Teki <jagan@amarulasolutions.com>]

From: Jagan Teki <jagan@edgeble.ai>

Add support for DW HDMI Read HPD status.

Signed-off-by: Jagan Teki <jagan@edgeble.ai>
---
Changes for v3:
- check hdmi->ops
Changes for v2:
- none

 drivers/video/dw_hdmi.c | 3 +++
 include/dw_hdmi.h       | 1 +
 2 files changed, 4 insertions(+)

diff --git a/drivers/video/dw_hdmi.c b/drivers/video/dw_hdmi.c
index 3a3b9b7a21..989b7ab2db 100644
--- a/drivers/video/dw_hdmi.c
+++ b/drivers/video/dw_hdmi.c
@@ -946,6 +946,9 @@ int dw_hdmi_detect_hpd(struct dw_hdmi *hdmi)
 		return -ENODEV;
 	}
 
+	if (hdmi->ops && hdmi->ops->read_hpd)
+		hdmi->ops->read_hpd(hdmi, true);
+
 	return 0;
 }
 
diff --git a/include/dw_hdmi.h b/include/dw_hdmi.h
index ba2ce5ea7f..a1f0e64507 100644
--- a/include/dw_hdmi.h
+++ b/include/dw_hdmi.h
@@ -538,6 +538,7 @@ struct dw_hdmi;
 
 struct dw_hdmi_phy_ops {
 	int (*phy_set)(struct dw_hdmi *hdmi, uint mpixelclock);
+	void (*read_hpd)(struct dw_hdmi *hdmi, bool hdp_status);
 };
 
 struct dw_hdmi {
-- 
2.25.1