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

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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
View file

@ -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: