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- .. -*- coding: utf-8; mode: rst -*-
- .. _AUDIO_SELECT_SOURCE:
- ===================
- AUDIO_SELECT_SOURCE
- ===================
- Name
- ----
- AUDIO_SELECT_SOURCE
- .. attention:: This ioctl is deprecated
- Synopsis
- --------
- .. c:function:: int ioctl(int fd, AUDIO_SELECT_SOURCE, struct audio_stream_source *source)
- :name: AUDIO_SELECT_SOURCE
- Arguments
- ---------
- .. flat-table::
- :header-rows: 0
- :stub-columns: 0
- -
- - int fd
- - File descriptor returned by a previous call to open().
- -
- - audio_stream_source_t source
- - Indicates the source that shall be used for the Audio stream.
- Description
- -----------
- This ioctl call informs the audio device which source shall be used for
- the input data. The possible sources are demux or memory. If
- AUDIO_SOURCE_MEMORY is selected, the data is fed to the Audio Device
- through the write command.
- 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.
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