Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 50 insertions, 0 deletions

diff --git a/Documentation/media/uapi/dvb/frontend_f_close.rst b/Documentation/media/uapi/dvb/frontend_f_close.rst
new file mode 100644
index 000000000..67958d73c
--- /dev/null
+++ b/Documentation/media/uapi/dvb/frontend_f_close.rst
@@ -0,0 +1,50 @@
+.. -*- coding: utf-8; mode: rst -*-
+
+.. _frontend_f_close:
+
+***************************
+Digital TV frontend close()
+***************************
+
+Name
+====
+
+fe-close - Close a frontend device
+
+
+Synopsis
+========
+
+.. code-block:: c
+
+    #include <unistd.h>
+
+
+.. c:function:: int close( int fd )
+    :name: dvb-fe-close
+
+Arguments
+=========
+
+``fd``
+    File descriptor returned by :c:func:`open() <dvb-fe-open>`.
+
+
+Description
+===========
+
+This system call closes a previously opened front-end device. After
+closing a front-end device, its corresponding hardware might be powered
+down automatically.
+
+
+Return Value
+============
+
+On success 0 is returned.
+
+On error -1 is returned, and the ``errno`` variable is set
+appropriately.
+
+Generic error codes are described at the
+:ref:`Generic Error Codes <gen-errors>` chapter.