Since multiplexed pads carry multiple streams it's not possible to
verify the format for a specific stream at this time. Instead make sure
both pads are marked as multiplexed and skip the format checking.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
---
drivers/media/v4l2-core/v4l2-subdev.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c
index 43fefa73e0a3f64f..d6c1a3b777dd2fcd 100644
--- a/drivers/media/v4l2-core/v4l2-subdev.c
+++ b/drivers/media/v4l2-core/v4l2-subdev.c
@@ -547,6 +547,15 @@ int v4l2_subdev_link_validate(struct media_link *link)
struct v4l2_subdev_format sink_fmt, source_fmt;
int rval;
+ /* Require both pads in a link to be multiplexed if one is */
+ if ((link->source->flags | link->sink->flags) & MEDIA_PAD_FL_MUXED) {
+ if ((link->source->flags & MEDIA_PAD_FL_MUXED) == 0)
+ return -EINVAL;
+ if ((link->sink->flags & MEDIA_PAD_FL_MUXED) == 0)
+ return -EINVAL;
+ return 0;
+ }
+
rval = v4l2_subdev_link_validate_get_format(
link->source, &source_fmt);
if (rval < 0)
--
2.13.3
