Merge branches 'x86/amd', 'x86/vt-d', 'arm/exynos', 'arm/mediatek' and 'arm/renesas...
[deliverable/linux.git] / Documentation / media / uapi / dvb / video-set-display-format.rst
1 .. -*- coding: utf-8; mode: rst -*-
2
3 .. _VIDEO_SET_DISPLAY_FORMAT:
4
5 ========================
6 VIDEO_SET_DISPLAY_FORMAT
7 ========================
8
9 Name
10 ----
11
12 VIDEO_SET_DISPLAY_FORMAT
13
14
15 Synopsis
16 --------
17
18 .. cpp:function:: int ioctl(fd, int request = VIDEO_SET_DISPLAY_FORMAT, video_display_format_t format)
19
20
21 Arguments
22 ---------
23
24 .. flat-table::
25 :header-rows: 0
26 :stub-columns: 0
27
28
29 - .. row 1
30
31 - int fd
32
33 - File descriptor returned by a previous call to open().
34
35 - .. row 2
36
37 - int request
38
39 - Equals VIDEO_SET_DISPLAY_FORMAT for this command.
40
41 - .. row 3
42
43 - video_display_format_t format
44
45 - Selects the video format to be used.
46
47
48 Description
49 -----------
50
51 This ioctl call asks the Video Device to select the video format to be
52 applied by the MPEG chip on the video.
53
54
55 Return Value
56 ------------
57
58 On success 0 is returned, on error -1 and the ``errno`` variable is set
59 appropriately. The generic error codes are described at the
60 :ref:`Generic Error Codes <gen-errors>` chapter.
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