.. -*- coding: utf-8; mode: rst -*-

.. _VIDEO_SET_BLANK:

===============
VIDEO_SET_BLANK
===============

Name
----

VIDEO_SET_BLANK

.. attention:: This ioctl is deprecated.

Synopsis
--------

.. c:function:: int ioctl(fd, VIDEO_SET_BLANK, boolean mode)
    :name: VIDEO_SET_BLANK


Arguments
---------

.. flat-table::
    :header-rows:  0
    :stub-columns: 0


    -  .. row 1

       -  int fd

       -  File descriptor returned by a previous call to open().

    -  .. row 2

       -  int request

       -  Equals VIDEO_SET_BLANK for this command.

    -  .. row 3

       -  boolean mode

       -  TRUE: Blank screen when stop.

    -  .. row 4

       -
       -  FALSE: Show last decoded frame.


Description
-----------

This ioctl call asks the Video Device to blank out the picture.


Return Value
------------

On success 0 is returned, on error -1 and the ``errno`` variable is set
appropriately. The generic error codes are described at the
:ref:`Generic Error Codes <gen-errors>` chapter.
s.form.submit();'>
<option value='emaclite-cleanup'>emaclite-cleanup</option>
<option value='master'>master</option>
<option value='nds-private-remove' selected='selected'>nds-private-remove</option>
<option value='packet-loop-back'>packet-loop-back</option>
<option value='packet-rx-pump-back'>packet-rx-pump-back</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
<table class='tabs'><tr><td>
<a href='/cgit.cgi/linux/net-next.git/?h=nds-private-remove'>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?h=nds-private-remove&amp;id=6eac0e817aee2518a96b5ce9d02b904e0667f370'>refs</a><a class='active' href='/cgit.cgi/linux/net-next.git/log/sound/soc/davinci/davinci-evm.c?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/sound/soc/davinci/davinci-evm.c?h=nds-private-remove&amp;id=6eac0e817aee2518a96b5ce9d02b904e0667f370'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/sound/soc/davinci/davinci-evm.c?h=nds-private-remove&amp;id=6eac0e817aee2518a96b5ce9d02b904e0667f370'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/sound/soc/davinci/davinci-evm.c?h=nds-private-remove&amp;id=6eac0e817aee2518a96b5ce9d02b904e0667f370'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/sound/soc/davinci/davinci-evm.c'>
<input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='6eac0e817aee2518a96b5ce9d02b904e0667f370'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&amp;id=6eac0e817aee2518a96b5ce9d02b904e0667f370'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/sound?h=nds-private-remove&amp;id=6eac0e817aee2518a96b5ce9d02b904e0667f370'>sound</a>/<a href='/cgit.cgi/linux/net-next.git/log/sound/soc?h=nds-private-remove&amp;id=6eac0e817aee2518a96b5ce9d02b904e0667f370'>soc</a>/<a href='/cgit.cgi/linux/net-next.git/log/sound/soc/davinci?h=nds-private-remove&amp;id=6eac0e817aee2518a96b5ce9d02b904e0667f370'>davinci</a>/<a href='/cgit.cgi/linux/net-next.git/log/sound/soc/davinci/davinci-evm.c?h=nds-private-remove&amp;id=6eac0e817aee2518a96b5ce9d02b904e0667f370'>davinci-evm.c</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/sound/soc/davinci/davinci-evm.c?h=nds-private-remove&amp;id=6eac0e817aee2518a96b5ce9d02b904e0667f370&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>