diff options
Diffstat (limited to 'Documentation/userspace-api/media/v4l/vidioc-g-output.rst')
| -rw-r--r-- | Documentation/userspace-api/media/v4l/vidioc-g-output.rst | 26 |
1 files changed, 9 insertions, 17 deletions
diff --git a/Documentation/userspace-api/media/v4l/vidioc-g-output.rst b/Documentation/userspace-api/media/v4l/vidioc-g-output.rst index cad477420fd7..dbcdd51dd2a8 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-g-output.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-g-output.rst @@ -1,11 +1,5 @@ -.. Permission is granted to copy, distribute and/or modify this -.. document under the terms of the GNU Free Documentation License, -.. Version 1.1 or any later version published by the Free Software -.. Foundation, with no Invariant Sections, no Front-Cover Texts -.. and no Back-Cover Texts. A copy of the license is included at -.. Documentation/userspace-api/media/fdl-appendix.rst. -.. -.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections +.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later +.. c:namespace:: V4L .. _VIDIOC_G_OUTPUT: @@ -18,27 +12,26 @@ Name VIDIOC_G_OUTPUT - VIDIOC_S_OUTPUT - Query or select the current video output - Synopsis ======== -.. c:function:: int ioctl( int fd, VIDIOC_G_OUTPUT, int *argp ) - :name: VIDIOC_G_OUTPUT +.. c:macro:: VIDIOC_G_OUTPUT + +``int ioctl(int fd, VIDIOC_G_OUTPUT, int *argp)`` -.. c:function:: int ioctl( int fd, VIDIOC_S_OUTPUT, int *argp ) - :name: VIDIOC_S_OUTPUT +.. c:macro:: VIDIOC_S_OUTPUT +``int ioctl(int fd, VIDIOC_S_OUTPUT, int *argp)`` Arguments ========= ``fd`` - File descriptor returned by :ref:`open() <func-open>`. + File descriptor returned by :c:func:`open()`. ``argp`` Pointer to an integer with output index. - Description =========== @@ -53,14 +46,13 @@ To select a video output applications store the number of the desired output in an integer and call the :ref:`VIDIOC_S_OUTPUT <VIDIOC_G_OUTPUT>` ioctl with a pointer to this integer. Side effects are possible. For example outputs may support different video standards, so the driver may implicitly -switch the current standard. standard. Because of these possible side +switch the current standard. Because of these possible side effects applications must select an output before querying or negotiating any other parameters. Information about video outputs is available using the :ref:`VIDIOC_ENUMOUTPUT` ioctl. - Return Value ============ |