0001 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
0002 .. c:namespace:: DTV.audio
0003
0004 .. _AUDIO_SET_AV_SYNC:
0005
0006 =================
0007 AUDIO_SET_AV_SYNC
0008 =================
0009
0010 Name
0011 ----
0012
0013 AUDIO_SET_AV_SYNC
0014
0015 .. attention:: This ioctl is deprecated
0016
0017 Synopsis
0018 --------
0019
0020 .. c:macro:: AUDIO_SET_AV_SYNC
0021
0022 ``int ioctl(int fd, AUDIO_SET_AV_SYNC, boolean state)``
0023
0024 Arguments
0025 ---------
0026
0027 .. flat-table::
0028 :header-rows: 0
0029 :stub-columns: 0
0030
0031 -
0032
0033 - int fd
0034
0035 - File descriptor returned by a previous call to open().
0036
0037 -
0038
0039 - boolean state
0040
0041 - Tells the Digital TV subsystem if A/V synchronization shall be ON or OFF.
0042
0043 TRUE: AV-sync ON
0044
0045 FALSE: AV-sync OFF
0046
0047 Description
0048 -----------
0049
0050 This ioctl call asks the Audio Device to turn ON or OFF A/V
0051 synchronization.
0052
0053 Return Value
0054 ------------
0055
0056 On success 0 is returned, on error -1 and the ``errno`` variable is set
0057 appropriately. The generic error codes are described at the
0058 :ref:`Generic Error Codes <gen-errors>` chapter.
