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-rw-r--r--Documentation/media/uapi/v4l/vidioc-queryctrl.rst11
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``