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.. Permission is granted to copy, distribute and/or modify this
.. document under the terms of the GNU Free Documentation License,
.. Version 1.1 or any later version published by the Free Software
.. Foundation, with no Invariant Sections, no Front-Cover Texts
.. and no Back-Cover Texts. A copy of the license is included at
.. Documentation/userspace-api/media/fdl-appendix.rst.
..
.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
.. _AUDIO_SET_AV_SYNC:
=================
AUDIO_SET_AV_SYNC
=================
Name
----
AUDIO_SET_AV_SYNC
.. attention:: This ioctl is deprecated
Synopsis
--------
.. c:function:: int ioctl(int fd, AUDIO_SET_AV_SYNC, boolean state)
:name: AUDIO_SET_AV_SYNC
Arguments
---------
.. flat-table::
:header-rows: 0
:stub-columns: 0
-
- int fd
- File descriptor returned by a previous call to open().
-
- boolean state
- Tells the Digital TV subsystem if A/V synchronization shall be ON or OFF.
TRUE: AV-sync ON
FALSE: AV-sync OFF
Description
-----------
This ioctl call asks the Audio Device to turn ON or OFF A/V
synchronization.
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.
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