mirror of https://gitee.com/openkylin/linux.git
61 lines
966 B
ReStructuredText
61 lines
966 B
ReStructuredText
.. -*- coding: utf-8; mode: rst -*-
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.. _AUDIO_SET_AV_SYNC:
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=================
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AUDIO_SET_AV_SYNC
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=================
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Name
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----
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AUDIO_SET_AV_SYNC
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.. attention:: This ioctl is deprecated
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Synopsis
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--------
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.. c:function:: int ioctl(int fd, AUDIO_SET_AV_SYNC, boolean state)
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:name: AUDIO_SET_AV_SYNC
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Arguments
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---------
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.. flat-table::
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:header-rows: 0
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:stub-columns: 0
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-
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- int fd
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- File descriptor returned by a previous call to open().
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-
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- boolean state
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- Tells the Digital TV subsystem if A/V synchronization shall be ON or OFF.
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TRUE: AV-sync ON
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FALSE: AV-sync OFF
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Description
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-----------
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This ioctl call asks the Audio Device to turn ON or OFF A/V
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synchronization.
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Return Value
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------------
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On success 0 is returned, on error -1 and the ``errno`` variable is set
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appropriately. The generic error codes are described at the
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:ref:`Generic Error Codes <gen-errors>` chapter.
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