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| -rw-r--r-- | Documentation/userspace-api/media/dvb/audio-set-av-sync.rst | 58 |
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diff --git a/Documentation/userspace-api/media/dvb/audio-set-av-sync.rst b/Documentation/userspace-api/media/dvb/audio-set-av-sync.rst new file mode 100644 index 000000000..85a8016bf --- /dev/null +++ b/Documentation/userspace-api/media/dvb/audio-set-av-sync.rst @@ -0,0 +1,58 @@ +.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later +.. c:namespace:: DTV.audio + +.. _AUDIO_SET_AV_SYNC: + +================= +AUDIO_SET_AV_SYNC +================= + +Name +---- + +AUDIO_SET_AV_SYNC + +.. attention:: This ioctl is deprecated + +Synopsis +-------- + +.. c:macro:: AUDIO_SET_AV_SYNC + +``int ioctl(int fd, AUDIO_SET_AV_SYNC, boolean state)`` + +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. |