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-rw-r--r--Documentation/media/uapi/v4l/vidioc-dqevent.rst55
1 files changed, 17 insertions, 38 deletions
diff --git a/Documentation/media/uapi/v4l/vidioc-dqevent.rst b/Documentation/media/uapi/v4l/vidioc-dqevent.rst
index 42659a3d1705..2f37d255352a 100644
--- a/Documentation/media/uapi/v4l/vidioc-dqevent.rst
+++ b/Documentation/media/uapi/v4l/vidioc-dqevent.rst
@@ -55,66 +55,54 @@ call.
.. flat-table:: struct v4l2_event
:header-rows: 0
:stub-columns: 0
- :widths: 1 1 2 1
+ :widths: 1 1 2
* - __u32
- ``type``
- -
- Type of the event, see :ref:`event-type`.
- * - union
+ * - union {
- ``u``
- -
- -
- * -
- - struct :c:type:`v4l2_event_vsync`
+ * - struct :c:type:`v4l2_event_vsync`
- ``vsync``
- Event data for event ``V4L2_EVENT_VSYNC``.
- * -
- - struct :c:type:`v4l2_event_ctrl`
+ * - struct :c:type:`v4l2_event_ctrl`
- ``ctrl``
- Event data for event ``V4L2_EVENT_CTRL``.
- * -
- - struct :c:type:`v4l2_event_frame_sync`
+ * - struct :c:type:`v4l2_event_frame_sync`
- ``frame_sync``
- Event data for event ``V4L2_EVENT_FRAME_SYNC``.
- * -
- - struct :c:type:`v4l2_event_motion_det`
+ * - struct :c:type:`v4l2_event_motion_det`
- ``motion_det``
- Event data for event V4L2_EVENT_MOTION_DET.
- * -
- - struct :c:type:`v4l2_event_src_change`
+ * - struct :c:type:`v4l2_event_src_change`
- ``src_change``
- Event data for event V4L2_EVENT_SOURCE_CHANGE.
- * -
- - __u8
+ * - __u8
- ``data``\ [64]
- Event data. Defined by the event type. The union should be used to
define easily accessible type for events.
+ * - }
+ -
* - __u32
- ``pending``
- -
- Number of pending events excluding this one.
* - __u32
- ``sequence``
- -
- Event sequence number. The sequence number is incremented for
every subscribed event that takes place. If sequence numbers are
not contiguous it means that events have been lost.
* - struct timespec
- ``timestamp``
- -
- Event timestamp. The timestamp has been taken from the
``CLOCK_MONOTONIC`` clock. To access the same clock outside V4L2,
use :c:func:`clock_gettime`.
* - u32
- ``id``
- -
- The ID associated with the event source. If the event does not
have an associated ID (this depends on the event type), then this
is 0.
* - __u32
- ``reserved``\ [8]
- -
- Reserved for future extensions. Drivers must set the array to
zero.
@@ -233,54 +221,45 @@ call.
.. flat-table:: struct v4l2_event_ctrl
:header-rows: 0
:stub-columns: 0
- :widths: 1 1 2 1
+ :widths: 1 1 2
* - __u32
- ``changes``
- -
- A bitmask that tells what has changed. See
:ref:`ctrl-changes-flags`.
* - __u32
- ``type``
- -
- The type of the control. See enum
:c:type:`v4l2_ctrl_type`.
- * - union (anonymous)
- -
- -
- -
- * -
- - __s32
+ * - union {
+ - (anonymous)
+ * - __s32
- ``value``
- The 32-bit value of the control for 32-bit control types. This is
0 for string controls since the value of a string cannot be passed
using :ref:`VIDIOC_DQEVENT`.
- * -
- - __s64
+ * - __s64
- ``value64``
- The 64-bit value of the control for 64-bit control types.
+ * - }
+ -
* - __u32
- ``flags``
- -
- The control flags. See :ref:`control-flags`.
* - __s32
- ``minimum``
- -
- The minimum value of the control. See struct
:ref:`v4l2_queryctrl <v4l2-queryctrl>`.
* - __s32
- ``maximum``
- -
- The maximum value of the control. See struct
:ref:`v4l2_queryctrl <v4l2-queryctrl>`.
* - __s32
- ``step``
- -
- The step value of the control. See struct
:ref:`v4l2_queryctrl <v4l2-queryctrl>`.
* - __s32
- ``default_value``
- -
- The default value value of the control. See struct
:ref:`v4l2_queryctrl <v4l2-queryctrl>`.