linux-kernel - [PATCH 3/3] media: imx: Allow BT.709 encoding for IC routes

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Date:   Sun,  3 Feb 2019 11:47:44 -0800
From:   Steve Longerbeam <slongerbeam@...il.com>
To:     linux-media@...r.kernel.org
Cc:     Tim Harvey <tharvey@...eworks.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Steve Longerbeam <slongerbeam@...il.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org (open list:STAGING SUBSYSTEM),
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 3/3] media: imx: Allow BT.709 encoding for IC routes

The IC now supports BT.709 Y'CbCr encoding, in addition to existing BT.601
encoding, so allow both, for pipelines that route through the IC.

Reported-by: Tim Harvey <tharvey@...eworks.com>
Signed-off-by: Steve Longerbeam <slongerbeam@...il.com>
---
 drivers/staging/media/imx/imx-media-utils.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/media/imx/imx-media-utils.c b/drivers/staging/media/imx/imx-media-utils.c
index 5f110d90a4ef..3512f09fb226 100644
--- a/drivers/staging/media/imx/imx-media-utils.c
+++ b/drivers/staging/media/imx/imx-media-utils.c
@@ -571,7 +571,9 @@ void imx_media_fill_default_mbus_fields(struct v4l2_mbus_framefmt *tryfmt,
 		tryfmt->quantization = is_rgb ?
 			V4L2_QUANTIZATION_FULL_RANGE :
 			V4L2_QUANTIZATION_LIM_RANGE;
-		tryfmt->ycbcr_enc = V4L2_YCBCR_ENC_601;
+		if (tryfmt->ycbcr_enc != V4L2_YCBCR_ENC_601 &&
+		    tryfmt->ycbcr_enc != V4L2_YCBCR_ENC_709)
+			tryfmt->ycbcr_enc = V4L2_YCBCR_ENC_601;
 	}
 }
 EXPORT_SYMBOL_GPL(imx_media_fill_default_mbus_fields);
-- 
2.17.1