diff mbox series

[09/30] media: entity: Swap pads if route is checked from source to sink

Message ID 20180823132544.521-10-niklas.soderlund+renesas@ragnatech.se (mailing list archive)
State New, archived
Headers show
Series v4l: add support for multiplexed streams | expand

Commit Message

Niklas Söderlund Aug. 23, 2018, 1:25 p.m. UTC 
From: Sakari Ailus <sakari.ailus@linux.intel.com>

This way the pads are always passed to the has_route() op sink pad first.
Makes sense.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
 drivers/media/media-entity.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/drivers/media/media-entity.c b/drivers/media/media-entity.c
index 2e5958732a9735cf..88c8b838b78b39aa 100644
--- a/drivers/media/media-entity.c
+++ b/drivers/media/media-entity.c
@@ -249,6 +249,10 @@  bool media_entity_has_route(struct media_entity *entity, unsigned int pad0,
 	if (!entity->ops || !entity->ops->has_route)
 		return true;
 
+	if (entity->pads[pad0].flags & MEDIA_PAD_FL_SOURCE
+	    && entity->pads[pad1].flags & MEDIA_PAD_FL_SINK)
+		swap(pad0, pad1);
+
 	return entity->ops->has_route(entity, pad0, pad1);
 }
 EXPORT_SYMBOL_GPL(media_entity_has_route);