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gerrit-public.fairphone.software / kernel / msm-4.19 / 5929cb1769b1171d063c2ec108f5fb66d3239889 / . / Documentation / linux_tv / media / dvb / video-set-system.rst
blob: 9ae0df1f5813a3fa731d83667a6ec777266a752d [file] [log] [blame]
Mauro Carvalho Chehab47d23e32016-07-05 10:37:31 -0300[diff] [blame]1.. -*- coding: utf-8; mode: rst -*-
2
3.. _VIDEO_SET_SYSTEM:
4
Mauro Carvalho Chehab586027c2016-07-05 07:58:48 -0300[diff] [blame]5================
Mauro Carvalho Chehab47d23e32016-07-05 10:37:31 -0300[diff] [blame]6VIDEO_SET_SYSTEM
7================
8
Mauro Carvalho Chehab15e7d612016-07-05 15:14:35 -0300[diff] [blame]9Name
Mauro Carvalho Chehab586027c2016-07-05 07:58:48 -0300[diff] [blame]10----
Mauro Carvalho Chehab47d23e32016-07-05 10:37:31 -0300[diff] [blame]11
Mauro Carvalho Chehab586027c2016-07-05 07:58:48 -0300[diff] [blame]12VIDEO_SET_SYSTEM
Mauro Carvalho Chehab47d23e32016-07-05 10:37:31 -0300[diff] [blame]13
Mauro Carvalho Chehab15e7d612016-07-05 15:14:35 -0300[diff] [blame]14
15Synopsis
Mauro Carvalho Chehab47d23e32016-07-05 10:37:31 -0300[diff] [blame]16--------
17
Mauro Carvalho Chehab5929cb12016-07-05 15:22:59 -0300[diff] [blame^]18.. cpp:function:: int ioctl(fd, int request = VIDEO_SET_SYSTEM , video_system_t system)
Mauro Carvalho Chehab47d23e32016-07-05 10:37:31 -0300[diff] [blame]19
Mauro Carvalho Chehab47d23e32016-07-05 10:37:31 -0300[diff] [blame]20
Mauro Carvalho Chehab15e7d612016-07-05 15:14:35 -0300[diff] [blame]21Arguments
Mauro Carvalho Chehab586027c2016-07-05 07:58:48 -0300[diff] [blame]22---------
Mauro Carvalho Chehab47d23e32016-07-05 10:37:31 -0300[diff] [blame]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_FORMAT for this command.
40
41 - .. row 3
42
43 - video_system_t system
44
45 - video system of TV output.
46
47
Mauro Carvalho Chehab15e7d612016-07-05 15:14:35 -0300[diff] [blame]48Description
Mauro Carvalho Chehab586027c2016-07-05 07:58:48 -0300[diff] [blame]49-----------
50
51This ioctl sets the television output format. The format (see section
52??) may vary from the color format of the displayed MPEG stream. If the
53hardware is not able to display the requested format the call will
54return an error.
55
56
Mauro Carvalho Chehab15e7d612016-07-05 15:14:35 -0300[diff] [blame]57Return Value
Mauro Carvalho Chehab47d23e32016-07-05 10:37:31 -0300[diff] [blame]58------------
59
60On success 0 is returned, on error -1 and the ``errno`` variable is set
61appropriately. The generic error codes are described at the
62:ref:`Generic Error Codes <gen-errors>` chapter.
63
64
65
66.. flat-table::
67 :header-rows: 0
68 :stub-columns: 0
69
70
71 - .. row 1
72
73 - ``EINVAL``
74
75 - system is not a valid or supported video system.