summaryrefslogtreecommitdiffstats
path: root/Documentation/media/uapi/dvb/frontend_f_close.rst
blob: 67958d73cf348092a88d00b82e2c09e7d6c72a38 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
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.