diff options
Diffstat (limited to 'Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst')
| -rw-r--r-- | Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst b/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst index 559ad849f7b9..9b8716f90f12 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst @@ -1,4 +1,5 @@ .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later +.. c:namespace:: V4L .. _VIDIOC_QUERYCTRL: @@ -11,31 +12,29 @@ Name VIDIOC_QUERYCTRL - VIDIOC_QUERY_EXT_CTRL - VIDIOC_QUERYMENU - Enumerate controls and menu control items - Synopsis ======== -.. c:function:: int ioctl( int fd, int VIDIOC_QUERYCTRL, struct v4l2_queryctrl *argp ) - :name: VIDIOC_QUERYCTRL +``int ioctl(int fd, int VIDIOC_QUERYCTRL, struct v4l2_queryctrl *argp)`` + +.. c:macro:: VIDIOC_QUERY_EXT_CTRL -.. c:function:: int ioctl( int fd, VIDIOC_QUERY_EXT_CTRL, struct v4l2_query_ext_ctrl *argp ) - :name: VIDIOC_QUERY_EXT_CTRL +``int ioctl(int fd, VIDIOC_QUERY_EXT_CTRL, struct v4l2_query_ext_ctrl *argp)`` -.. c:function:: int ioctl( int fd, VIDIOC_QUERYMENU, struct v4l2_querymenu *argp ) - :name: VIDIOC_QUERYMENU +.. c:macro:: VIDIOC_QUERYMENU +``int ioctl(int fd, VIDIOC_QUERYMENU, struct v4l2_querymenu *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_queryctrl`, :c:type:`v4l2_query_ext_ctrl` or :c:type:`v4l2_querymenu` (depending on the ioctl). - Description =========== @@ -95,7 +94,6 @@ inclusive. See also the examples in :ref:`control`. - .. tabularcolumns:: |p{1.2cm}|p{3.6cm}|p{12.7cm}| .. _v4l2-queryctrl: @@ -174,7 +172,6 @@ See also the examples in :ref:`control`. zero. - .. tabularcolumns:: |p{1.2cm}|p{5.0cm}|p{11.3cm}| .. _v4l2-query-ext-ctrl: @@ -275,7 +272,6 @@ See also the examples in :ref:`control`. the array to zero. - .. tabularcolumns:: |p{1.2cm}|p{1.0cm}|p{1.7cm}|p{13.0cm}| .. _v4l2-querymenu: @@ -311,7 +307,6 @@ See also the examples in :ref:`control`. zero. - .. tabularcolumns:: |p{5.8cm}|p{1.4cm}|p{1.0cm}|p{1.4cm}|p{6.9cm}| .. c:type:: v4l2_ctrl_type @@ -582,7 +577,6 @@ See also the examples in :ref:`control`. streaming is in progress since most drivers do not support changing the format in that case. - Return Value ============ |