diff options
Diffstat (limited to 'Documentation/userspace-api/media/v4l/vidioc-dqevent.rst')
| -rw-r--r-- | Documentation/userspace-api/media/v4l/vidioc-dqevent.rst | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/Documentation/userspace-api/media/v4l/vidioc-dqevent.rst b/Documentation/userspace-api/media/v4l/vidioc-dqevent.rst index f0dfc8cf9b14..634af717c8ba 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-dqevent.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-dqevent.rst @@ -1,4 +1,5 @@ .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later +.. c:namespace:: V4L .. _VIDIOC_DQEVENT: @@ -11,24 +12,22 @@ Name VIDIOC_DQEVENT - Dequeue event - Synopsis ======== -.. c:function:: int ioctl( int fd, VIDIOC_DQEVENT, struct v4l2_event *argp ) - :name: VIDIOC_DQEVENT +.. c:macro:: VIDIOC_DQEVENT +``int ioctl(int fd, VIDIOC_DQEVENT, struct v4l2_event *argp)`` Arguments ========= ``fd`` - File descriptor returned by :ref:`open() <func-open>`. + File descriptor returned by :c:func:`open()`. ``argp`` Pointer to struct :c:type:`v4l2_event`. - Description =========== @@ -38,7 +37,6 @@ structure are filled by the driver. The file handle will also receive exceptions which the application may get by e.g. using the select system call. - .. tabularcolumns:: |p{3.0cm}|p{4.4cm}|p{2.4cm}|p{7.7cm}| .. c:type:: v4l2_event @@ -100,7 +98,6 @@ call. zero. - .. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}| .. cssclass:: longtable @@ -191,7 +188,6 @@ call. - Base event number for driver-private events. - .. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}| .. c:type:: v4l2_event_vsync @@ -206,7 +202,6 @@ call. - The upcoming field. See enum :c:type:`v4l2_field`. - .. tabularcolumns:: |p{3.5cm}|p{3.0cm}|p{1.8cm}|p{8.5cm}| .. c:type:: v4l2_event_ctrl @@ -257,7 +252,6 @@ call. :ref:`v4l2_queryctrl <v4l2-queryctrl>`. - .. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}| .. c:type:: v4l2_event_frame_sync @@ -272,7 +266,6 @@ call. - The sequence number of the frame being received. - .. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}| .. c:type:: v4l2_event_src_change @@ -288,7 +281,6 @@ call. :ref:`src-changes-flags`. - .. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}| .. c:type:: v4l2_event_motion_det @@ -318,7 +310,6 @@ call. automatically assigned to the default region 0. - .. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}| .. _ctrl-changes-flags: @@ -344,7 +335,6 @@ call. step or the default value of the control changed. - .. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}| .. _src-changes-flags: @@ -375,7 +365,6 @@ call. loss of signal and so restarting streaming I/O is required in order for the hardware to synchronize to the video signal. - Return Value ============ |