Modify media_entity_remote_pad() to return source pad only

Rename media_entity_remote_pad() to media_entity_remote_source().
When it is called on a sink pad, return the linked source pad.
When it is called on a source pad, return NULL.

Signed-off-by: Todor Tomov <ttomov@mm-sol.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/media.c b/media.c
index e976978..0ec5c16 100644
--- a/media.c
+++ b/media.c
@@ -37,19 +37,19 @@
 /*
  * media_entity_remote_pad -
  */
-struct media_entity_pad *media_entity_remote_pad(struct media_entity_pad *pad)
+struct media_entity_pad *media_entity_remote_source(struct media_entity_pad *pad)
 {
 	unsigned int i;
 
+	if (!(pad->flags & MEDIA_PAD_FLAG_INPUT))
+		return NULL;
+
 	for (i = 0; i < pad->entity->info.links; ++i) {
 		struct media_entity_link *link = &pad->entity->links[i];
 
 		if (!(link->flags & MEDIA_LINK_FLAG_ACTIVE))
 			continue;
 
-		if (link->source == pad)
-			return link->sink;
-
 		if (link->sink == pad)
 			return link->source;
 	}