diff options
Diffstat (limited to 'Documentation/media/uapi/v4l/vidioc-queryctrl.rst')
| -rw-r--r-- | Documentation/media/uapi/v4l/vidioc-queryctrl.rst | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/Documentation/media/uapi/v4l/vidioc-queryctrl.rst b/Documentation/media/uapi/v4l/vidioc-queryctrl.rst index 5817264e11ca..db3ad928ec1c 100644 --- a/Documentation/media/uapi/v4l/vidioc-queryctrl.rst +++ b/Documentation/media/uapi/v4l/vidioc-queryctrl.rst @@ -754,10 +754,12 @@ See also the examples in :ref:`control`. .. note:: - Setting a new value for a volatile control will have no - effect and no ``V4L2_EVENT_CTRL_CH_VALUE`` will be sent, unless - the ``V4L2_CTRL_FLAG_EXECUTE_ON_WRITE`` flag (see below) is - also set. Otherwise the new value will just be ignored. + Setting a new value for a volatile control will be ignored + unless + :ref:`V4L2_CTRL_FLAG_EXECUTE_ON_WRITE <FLAG_EXECUTE_ON_WRITE>` + is also set. + Setting a new value for a volatile control will *never* trigger a + :ref:`V4L2_EVENT_CTRL_CH_VALUE <ctrl-changes-flags>` event. - .. row 9 @@ -773,6 +775,7 @@ See also the examples in :ref:`control`. payload of the control. - .. row 10 + .. _FLAG_EXECUTE_ON_WRITE: - ``V4L2_CTRL_FLAG_EXECUTE_ON_WRITE`` |