1.. -*- coding: utf-8; mode: rst -*-
2
3.. _AUDIO_SELECT_SOURCE:
4
5===================
6AUDIO_SELECT_SOURCE
7===================
8
9Name
10----
11
12AUDIO_SELECT_SOURCE
13
14.. attention:: This ioctl is deprecated
15
16Synopsis
17--------
18
19.. c:function:: int ioctl(int fd, AUDIO_SELECT_SOURCE, struct audio_stream_source *source)
20    :name: AUDIO_SELECT_SOURCE
21
22
23Arguments
24---------
25
26.. flat-table::
27    :header-rows:  0
28    :stub-columns: 0
29
30
31    -
32
33       -  int fd
34
35       -  File descriptor returned by a previous call to open().
36
37    -
38
39       -  audio_stream_source_t source
40
41       -  Indicates the source that shall be used for the Audio stream.
42
43
44Description
45-----------
46
47This ioctl call informs the audio device which source shall be used for
48the input data. The possible sources are demux or memory. If
49AUDIO_SOURCE_MEMORY is selected, the data is fed to the Audio Device
50through the write command.
51
52
53Return Value
54------------
55
56On success 0 is returned, on error -1 and the ``errno`` variable is set
57appropriately. The generic error codes are described at the
58:ref:`Generic Error Codes <gen-errors>` chapter.
59