.. 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 .. 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.