linux/linux-5.4.31/Documentation/media/uapi/dvb/audio-play.rst

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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/media/uapi/fdl-appendix.rst.
..
.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
.. _AUDIO_PLAY:
==========
AUDIO_PLAY
==========
Name
----
AUDIO_PLAY
.. attention:: This ioctl is deprecated
Synopsis
--------
.. c:function:: int ioctl(int fd, AUDIO_PLAY)
:name: AUDIO_PLAY
Arguments
---------
.. flat-table::
:header-rows: 0
:stub-columns: 0
- .. row 1
- int fd
- File descriptor returned by a previous call to open().
Description
-----------
This ioctl call asks the Audio Device to start playing an audio stream
from the selected source.
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.