Documentation/media/uapi/dvb/video-set-blank.rst

   1 .. -*- coding: utf-8; mode: rst -*-
   2
   3 .. _VIDEO_SET_BLANK:
   4
   5 ===============
   6 VIDEO_SET_BLANK
   7 ===============
   8
   9 Name
  10 ----
  11
  12 VIDEO_SET_BLANK
  13
  14
  15 Synopsis
  16 --------
  17
  18 .. cpp:function:: int ioctl(fd, int request = VIDEO_SET_BLANK, boolean mode)
  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_BLANK for this command.
  40
  41     -  .. row 3
  42
  43        -  boolean mode
  44
  45        -  TRUE: Blank screen when stop.
  46
  47     -  .. row 4
  48
  49        -
  50        -  FALSE: Show last decoded frame.
  51
  52
  53 Description
  54 -----------
  55
  56 This ioctl call asks the Video Device to blank out the picture.
  57
  58
  59 Return Value
  60 ------------
  61
  62 On success 0 is returned, on error -1 and the ``errno`` variable is set
  63 appropriately. The generic error codes are described at the
  64 :ref:`Generic Error Codes <gen-errors>` chapter.