diff mbox

[v3,04/27] media: entity: Swap pads if route is checked from source to sink

Message ID 20170314190308.25790-5-niklas.soderlund+renesas@ragnatech.se (mailing list archive)
State New, archived
Headers show

Commit Message

Niklas Söderlund March 14, 2017, 7:02 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>
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
---
 drivers/media/media-entity.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox

Patch

diff --git a/drivers/media/media-entity.c b/drivers/media/media-entity.c
index ccd991d2d3450ab3..f0386ddd7c92cc4e 100644
--- a/drivers/media/media-entity.c
+++ b/drivers/media/media-entity.c
@@ -256,6 +256,10 @@  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);