Re: [PATCH 8/9] s5p_cec: set the CEC_CAP_NEEDS_HPD flag if needed

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On 06/07/2017 04:46 PM, Hans Verkuil wrote:
From: Hans Verkuil <hans.verkuil@xxxxxxxxx>

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

Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>

Acked-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>

---
  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");

dev->of_node could also be used instead of pdev->dev.of_node.

  	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;

--
Regards,
Sylwester



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