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1.. Permission is granted to copy, distribute and/or modify this
2.. document under the terms of the GNU Free Documentation License,
3.. Version 1.1 or any later version published by the Free Software
4.. Foundation, with no Invariant Sections, no Front-Cover Texts
5.. and no Back-Cover Texts. A copy of the license is included at
6.. Documentation/userspace-api/media/fdl-appendix.rst.
7..
8.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
9
10.. _AUDIO_SET_MIXER:
11
12===============
13AUDIO_SET_MIXER
14===============
15
16Name
17----
18
19AUDIO_SET_MIXER
20
21.. attention:: This ioctl is deprecated
22
23Synopsis
24--------
25
26.. c:function:: int ioctl(int fd, AUDIO_SET_MIXER, struct audio_mixer *mix)
27 :name: AUDIO_SET_MIXER
28
29Arguments
30---------
31
32.. flat-table::
33 :header-rows: 0
34 :stub-columns: 0
35
36
37 -
38
39 - int fd
40
41 - File descriptor returned by a previous call to open().
42
43 -
44
45 - audio_mixer_t \*mix
46
47 - mixer settings.
48
49
50Description
51-----------
52
53This ioctl lets you adjust the mixer settings of the audio decoder.
54
55
56Return Value
57------------
58
59On success 0 is returned, on error -1 and the ``errno`` variable is set
60appropriately. The generic error codes are described at the
61:ref:`Generic Error Codes <gen-errors>` chapter.