OpenCloudOS-Kernel/Documentation/media/uapi/dvb/audio-clear-buffer.rst

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.. -*- coding: utf-8; mode: rst -*-
.. _AUDIO_CLEAR_BUFFER:
==================
AUDIO_CLEAR_BUFFER
==================
Name
----
AUDIO_CLEAR_BUFFER
.. attention:: This ioctl is deprecated
Synopsis
--------
.. c:function:: int ioctl(int fd, AUDIO_CLEAR_BUFFER)
:name: AUDIO_CLEAR_BUFFER
Arguments
---------
.. flat-table::
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- .. row 1
- int fd
- File descriptor returned by a previous call to open().
Description
-----------
This ioctl call asks the Audio Device to clear all software and hardware
buffers of the audio decoder device.
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.