1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2.. c:namespace:: DTV.video
3
4.. _VIDEO_SET_BLANK:
5
6===============
7VIDEO_SET_BLANK
8===============
9
10Name
11----
12
13VIDEO_SET_BLANK
14
15.. attention:: This ioctl is deprecated.
16
17Synopsis
18--------
19
20.. c:macro:: VIDEO_SET_BLANK
21
22``int ioctl(fd, VIDEO_SET_BLANK, boolean mode)``
23
24Arguments
25---------
26
27.. flat-table::
28    :header-rows:  0
29    :stub-columns: 0
30
31    -  .. row 1
32
33       -  int fd
34
35       -  File descriptor returned by a previous call to open().
36
37    -  .. row 2
38
39       -  int request
40
41       -  Equals VIDEO_SET_BLANK for this command.
42
43    -  .. row 3
44
45       -  boolean mode
46
47       -  TRUE: Blank screen when stop.
48
49    -  .. row 4
50
51       -
52       -  FALSE: Show last decoded frame.
53
54Description
55-----------
56
57This ioctl call asks the Video Device to blank out the picture.
58
59Return Value
60------------
61
62On success 0 is returned, on error -1 and the ``errno`` variable is set
63appropriately. The generic error codes are described at the
64:ref:`Generic Error Codes <gen-errors>` chapter.
65