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Subject: media: videodev2.h: change V4L2_PIX_FMT_BGRA444 define: fourcc was already in use Author: Hans Verkuil hverkuil@xs4all.nl Date: Thu Jul 11 04:53:25 2019 -0400

The V4L2_PIX_FMT_BGRA444 define clashed with the pre-existing V4L2_PIX_FMT_SGRBG12 which strangely enough used the same fourcc, even though that fourcc made no sense for a Bayer format. In any case, you can't have duplicates, so change the fourcc of V4L2_PIX_FMT_BGRA444.

Signed-off-by: Hans Verkuil hverkuil-cisco@xs4all.nl Cc: stable@vger.kernel.org # for v5.2 and up Fixes: 6c84f9b1d2900 ("media: v4l: Add definitions for missing 16-bit RGB4444 formats") Reviewed-by: Laurent Pinchart laurent.pinchart@ideasonboard.com Reviewed-by: Kieran Bingham kieran.bingham+renesas@ideasonboard.com Signed-off-by: Mauro Carvalho Chehab mchehab+samsung@kernel.org

include/uapi/linux/videodev2.h | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)

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diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index 9d9705ceda76..2427bc4d8eba 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -518,7 +518,13 @@ struct v4l2_pix_format { #define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16 rrrrgggg bbbbxxxx */ #define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16 aaaabbbb ggggrrrr */ #define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16 xxxxbbbb ggggrrrr */ -#define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('B', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */ + +/* + * Originally this had 'BA12' as fourcc, but this clashed with the older + * V4L2_PIX_FMT_SGRBG12 which inexplicably used that same fourcc. + * So use 'GA12' instead for V4L2_PIX_FMT_BGRA444. + */ +#define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */ #define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16 bbbbgggg rrrrxxxx */ #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */