summaryrefslogtreecommitdiff
path: root/Documentation/media/uapi/dvb/audio-set-mixer.rst
blob: 248aab8c8909f98d87aa9e7e6c74924f4f7c7b3c (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
.. -*- coding: utf-8; mode: rst -*-

.. _AUDIO_SET_MIXER:

===============
AUDIO_SET_MIXER
===============

Name
----

AUDIO_SET_MIXER

.. attention:: This ioctl is deprecated

Synopsis
--------

.. c:function:: int ioctl(int fd, AUDIO_SET_MIXER, struct audio_mixer *mix)
    :name: AUDIO_SET_MIXER

Arguments
---------

.. flat-table::
    :header-rows:  0
    :stub-columns: 0


    -

       -  int fd

       -  File descriptor returned by a previous call to open().

    -

       -  audio_mixer_t \*mix

       -  mixer settings.


Description
-----------

This ioctl lets you adjust the mixer settings of the audio decoder.


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.