mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-21 19:53:59 +08:00
407e84cd1e
Sphinx 3.x broke support for the cdomain.py extension, as the c domain code was rewritten. Due to that, the c tags need to be re-written, in order to use the new c domain notation. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
46 lines
806 B
ReStructuredText
46 lines
806 B
ReStructuredText
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
|
|
.. c:namespace:: V4L
|
|
|
|
.. _func-close:
|
|
|
|
************
|
|
V4L2 close()
|
|
************
|
|
|
|
Name
|
|
====
|
|
|
|
v4l2-close - Close a V4L2 device
|
|
|
|
Synopsis
|
|
========
|
|
|
|
.. code-block:: c
|
|
|
|
#include <unistd.h>
|
|
|
|
.. c:function:: int close( int fd )
|
|
|
|
Arguments
|
|
=========
|
|
|
|
``fd``
|
|
File descriptor returned by :c:func:`open()`.
|
|
|
|
Description
|
|
===========
|
|
|
|
Closes the device. Any I/O in progress is terminated and resources
|
|
associated with the file descriptor are freed. However data format
|
|
parameters, current input or output, control values or other properties
|
|
remain unchanged.
|
|
|
|
Return Value
|
|
============
|
|
|
|
The function returns 0 on success, -1 on failure and the ``errno`` is
|
|
set appropriately. Possible error codes:
|
|
|
|
EBADF
|
|
``fd`` is not a valid open file descriptor.
|