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>

diff --git a/drivers/media/platform/rcar-vin/rcar-v4l2.c b/drivers/media/platform/rcar-vin/rcar-v4l2.c
index a76472c62cb1da534454356b45930d454f752a4b..c60dcf444b0260ad9241413b5460d8b7ba66af21 100644 (file)
--- a/drivers/media/platform/rcar-vin/rcar-v4l2.c
+++ b/drivers/media/platform/rcar-vin/rcar-v4l2.c
@@ -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: