From d0703944c19c423fa4fa047795147e786553ff1c Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hans.verkuil@cisco.com>
Date: Wed, 7 Jun 2017 11:46:15 -0300
Subject: [PATCH] [media] s5p_cec: set the CEC_CAP_NEEDS_HPD flag if needed

Use the needs-hpd DT property to determine if the CEC_CAP_NEEDS_HPD
should be set.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
---
 drivers/media/platform/s5p-cec/s5p_cec.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/s5p-cec/s5p_cec.c b/drivers/media/platform/s5p-cec/s5p_cec.c
index 65a223e578ed..8e06071a7977 100644
--- a/drivers/media/platform/s5p-cec/s5p_cec.c
+++ b/drivers/media/platform/s5p-cec/s5p_cec.c
@@ -173,6 +173,7 @@ static int s5p_cec_probe(struct platform_device *pdev)
 	struct platform_device *hdmi_dev;
 	struct resource *res;
 	struct s5p_cec_dev *cec;
+	bool needs_hpd = of_property_read_bool(pdev->dev.of_node, "needs-hpd");
 	int ret;
 
 	np = of_parse_phandle(pdev->dev.of_node, "hdmi-phandle", 0);
@@ -221,7 +222,8 @@ static int s5p_cec_probe(struct platform_device *pdev)
 	cec->adap = cec_allocate_adapter(&s5p_cec_adap_ops, cec,
 		CEC_NAME,
 		CEC_CAP_LOG_ADDRS | CEC_CAP_TRANSMIT |
-		CEC_CAP_PASSTHROUGH | CEC_CAP_RC, 1);
+		CEC_CAP_PASSTHROUGH | CEC_CAP_RC |
+		(needs_hpd ? CEC_CAP_NEEDS_HPD : 0), 1);
 	ret = PTR_ERR_OR_ZERO(cec->adap);
 	if (ret)
 		return ret;
-- 
2.30.9