summaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
authorMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-08-21 15:23:22 +0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2016-01-11 17:18:48 +0300
commit57cf79b79b18d885c144889989b47149e23c8dc2 (patch)
tree839f57209d8a11d881efc88c629c8573860c8365 /include
parent8211b187ec6461e8d80a36304bd9fc087e3c490f (diff)
downloadlinux-57cf79b79b18d885c144889989b47149e23c8dc2.tar.xz
[media] media: add a linked list to track interfaces by mdev
The media device should list the interface objects, so add a linked list for those interfaces in struct media_device. Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'include')
-rw-r--r--include/media/media-device.h2
-rw-r--r--include/media/media-entity.h3
2 files changed, 5 insertions, 0 deletions
diff --git a/include/media/media-device.h b/include/media/media-device.h
index 3b14394d5701..51807efa505b 100644
--- a/include/media/media-device.h
+++ b/include/media/media-device.h
@@ -46,6 +46,7 @@ struct device;
* @link_id: Unique ID used on the last link registered
* @intf_devnode_id: Unique ID used on the last interface devnode registered
* @entities: List of registered entities
+ * @interfaces: List of registered interfaces
* @lock: Entities list lock
* @graph_mutex: Entities graph operation lock
* @link_notify: Link state change notification callback
@@ -77,6 +78,7 @@ struct media_device {
u32 intf_devnode_id;
struct list_head entities;
+ struct list_head interfaces;
/* Protects the entities list */
spinlock_t lock;
diff --git a/include/media/media-entity.h b/include/media/media-entity.h
index d64e8cb4de98..ca35e07d9348 100644
--- a/include/media/media-entity.h
+++ b/include/media/media-entity.h
@@ -156,6 +156,8 @@ struct media_entity {
* struct media_intf_devnode - Define a Kernel API interface
*
* @graph_obj: embedded graph object
+ * @list: Linked list used to find other interfaces that belong
+ * to the same media controller
* @links: List of links pointing to graph entities
* @type: Type of the interface as defined at the
* uapi/media/media.h header, e. g.
@@ -164,6 +166,7 @@ struct media_entity {
*/
struct media_interface {
struct media_gobj graph_obj;
+ struct list_head list;
struct list_head links;
u32 type;
u32 flags;