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media: rcar-vin: Limit NV12 availability to supported VIN channels only 

When adding support for NV12 it was overlooked that the pixel format is
only supported on some VIN channels. Fix this by adding a check to only
accept NV12 on the supported channels 0, 1, 4, 5, 8, 9, 12 and 13.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Niklas Söderlund 2019-12-06 17:39:32 +01:00 committed by Mauro Carvalho Chehab
parent 9ac560d48d
commit e18976eeca
1 changed files with 5 additions and 1 deletions
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6
drivers/media/platform/rcar-vin/rcar-v4l2.c
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@ -79,7 +79,11 @@ const struct rvin_video_format *rvin_format_from_pixel(struct rvin_dev *vin,
return NULL;
break;
case V4L2_PIX_FMT_NV12:
if (!vin->info->nv12)
/*
* If NV12 is supported it's only supported on channels 0, 1, 4,
* 5, 8, 9, 12 and 13.
*/
if (!vin->info->nv12 || !(BIT(vin->id) & 0x3333))
return NULL;
break;
default: