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authorMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-08-30 15:53:57 +0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2016-01-11 17:18:58 +0300
commit39d1ebc6092f8266fb788733ca92b8492b1d69f2 (patch)
tree4cb4531fc744893e515cf693659ab0f353f1bacc /include/media/media-entity.h
parent28b6ba1106b5864e6bdd1b75840ccf5b1ca3d1b7 (diff)
downloadlinux-39d1ebc6092f8266fb788733ca92b8492b1d69f2.tar.xz
[media] media-device: supress backlinks at G_TOPOLOGY ioctl
Due to the graph traversal algorithm currently in usage, we need a copy of all data links. Those backlinks should not be send to userspace, as otherwise, all links there will be duplicated. Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'include/media/media-entity.h')
-rw-r--r--include/media/media-entity.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/media/media-entity.h b/include/media/media-entity.h
index fd19aecdcbb6..3b591d72c703 100644
--- a/include/media/media-entity.h
+++ b/include/media/media-entity.h
@@ -96,6 +96,7 @@ struct media_pipeline {
* @reverse: Pointer to the link for the reverse direction of a pad to pad
* link.
* @flags: Link flags, as defined in uapi/media.h (MEDIA_LNK_FL_*)
+ * @is_backlink: Indicate if the link is a backlink.
*/
struct media_link {
struct media_gobj graph_obj;
@@ -112,6 +113,7 @@ struct media_link {
};
struct media_link *reverse;
unsigned long flags;
+ bool is_backlink;
};
/**