1 files changed, 45 insertions, 0 deletions
diff --git a/Documentation/userspace-api/media/v4l/func-close.rst b/Documentation/userspace-api/media/v4l/func-close.rst
new file mode 100644
index 000000000..dba3263fd
--- /dev/null
+++ b/Documentation/userspace-api/media/v4l/func-close.rst
@@ -0,0 +1,45 @@
+.. 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.