[media] media-device: export the entity function via new ioctl
Now that entities have a main function, expose it via
MEDIA_IOC_G_TOPOLOGY ioctl.
Please notice that some entities may have secundary functions.
Such use case will be addressed later, when we add support for the
Media Controller properties.
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c
index 4f83884..83525ac 100644
--- a/drivers/media/media-device.c
+++ b/drivers/media/media-device.c
@@ -263,6 +263,7 @@
/* Copy fields to userspace struct if not error */
memset(&uentity, 0, sizeof(uentity));
uentity.id = entity->graph_obj.id;
+ uentity.function = entity->function;
strncpy(uentity.name, entity->name,
sizeof(uentity.name));