diff options
| author | Ricardo Ribalda <ricardo.ribalda@gmail.com> | 2015-03-20 11:13:14 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-04-08 06:35:16 -0300 |
| commit | acd2b672b45e557829c1f080e46457586aab9d74 (patch) | |
| tree | 9dc5ba94ea6425877edd6f94e254010f938b7ba7 /Documentation/DocBook/media/v4l/vidioc-dqevent.xml | |
| parent | 45f014c5264f5e68ef0e51b36f4ef5ede3d18397 (diff) | |
[media] media/Documentation: New flag EXECUTE_ON_WRITE
Document new flag V4L2_CTRL_FLAG_EXECUTE_ON_WRITE, and the new behavior
of CH_VALUE event on VOLATILE controls.
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'Documentation/DocBook/media/v4l/vidioc-dqevent.xml')
| -rw-r--r-- | Documentation/DocBook/media/v4l/vidioc-dqevent.xml | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/DocBook/media/v4l/vidioc-dqevent.xml b/Documentation/DocBook/media/v4l/vidioc-dqevent.xml index a31eea07d455..50ccd33948c1 100644 --- a/Documentation/DocBook/media/v4l/vidioc-dqevent.xml +++ b/Documentation/DocBook/media/v4l/vidioc-dqevent.xml @@ -425,9 +425,9 @@ <entry><constant>V4L2_EVENT_CTRL_CH_VALUE</constant></entry> <entry>0x0001</entry> <entry>This control event was triggered because the value of the control - changed. Special case: if a button control is pressed, then this - event is sent as well, even though there is not explicit value - associated with a button control.</entry> + changed. Special cases: Volatile controls do no generate this event; + If a control has the <constant>V4L2_CTRL_FLAG_EXECUTE_ON_WRITE</constant> + flag set, then this event is sent as well, regardless its value.</entry> </row> <row> <entry><constant>V4L2_EVENT_CTRL_CH_FLAGS</constant></entry> |