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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2009-12-09 12:40:03 +0100
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-03-22 08:53:16 +0100
commit97548ed4c4661502cdfd1aabd5d3876fa4f5cc2e (patch)
treec85b85954f53e3a97b6590de8d5d5396e7c43358 /include/media/media-device.h
parent[media] media: Entities, pads and links enumeration (diff)
downloadlinux-97548ed4c4661502cdfd1aabd5d3876fa4f5cc2e.tar.xz
linux-97548ed4c4661502cdfd1aabd5d3876fa4f5cc2e.zip
[media] media: Links setup
Create the following ioctl and implement it at the media device level to setup links. - MEDIA_IOC_SETUP_LINK: Modify the properties of a given link The only property that can currently be modified is the ENABLED link flag to enable/disable a link. Links marked with the IMMUTABLE link flag can not be enabled or disabled. Enabling or disabling a link has effects on entities' use count. Those changes are automatically propagated through the graph. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com> Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi> Acked-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'include/media/media-device.h')
-rw-r--r--include/media/media-device.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/media/media-device.h b/include/media/media-device.h
index 5d2bff4fc9e0..6a27d916c250 100644
--- a/include/media/media-device.h
+++ b/include/media/media-device.h
@@ -73,6 +73,9 @@ struct media_device {
spinlock_t lock;
/* Serializes graph operations. */
struct mutex graph_mutex;
+
+ int (*link_notify)(struct media_pad *source,
+ struct media_pad *sink, u32 flags);
};
/* media_devnode to media_device */