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| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2009-12-09 14:40:03 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-03-22 10:53:16 +0300 |
| commit | 97548ed4c4661502cdfd1aabd5d3876fa4f5cc2e (patch) | |
| tree | c85b85954f53e3a97b6590de8d5d5396e7c43358 /include/media/media-device.h | |
| parent | 1651333b09743887bc2dd3d158a11853a2be3fe7 (diff) | |
| download | linux-97548ed4c4661502cdfd1aabd5d3876fa4f5cc2e.tar.xz | |
[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.h | 3 |
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 */ |