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| author | Hans Verkuil <hans.verkuil@cisco.com> | 2011-06-07 11:13:44 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-07-27 17:53:20 -0300 |
| commit | 6e239399e5807132f86f64af6c659411c6a3d1a5 (patch) | |
| tree | eeb564a25341111f1c7d6e92137e910c4e4d37f3 /Documentation/DocBook/media/v4l | |
| parent | ab892bac8438c5c2ff09a60d765d9b0c14941ba9 (diff) | |
| download | op-kernel-dev-6e239399e5807132f86f64af6c659411c6a3d1a5.zip op-kernel-dev-6e239399e5807132f86f64af6c659411c6a3d1a5.tar.gz | |
[media] v4l2-ctrls: add control events
Whenever a control changes value or state an event is sent to anyone
that subscribed to it.
This functionality is useful for control panels but also for applications
that need to wait for (usually status) controls to change value.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'Documentation/DocBook/media/v4l')
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