1*793e52d4SMauro Carvalho Chehab.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2*793e52d4SMauro Carvalho Chehab.. c:namespace:: DTV.audio
3*793e52d4SMauro Carvalho Chehab
4*793e52d4SMauro Carvalho Chehab.. _AUDIO_SET_MIXER:
5*793e52d4SMauro Carvalho Chehab
6*793e52d4SMauro Carvalho Chehab===============
7*793e52d4SMauro Carvalho ChehabAUDIO_SET_MIXER
8*793e52d4SMauro Carvalho Chehab===============
9*793e52d4SMauro Carvalho Chehab
10*793e52d4SMauro Carvalho ChehabName
11*793e52d4SMauro Carvalho Chehab----
12*793e52d4SMauro Carvalho Chehab
13*793e52d4SMauro Carvalho ChehabAUDIO_SET_MIXER
14*793e52d4SMauro Carvalho Chehab
15*793e52d4SMauro Carvalho Chehab.. attention:: This ioctl is deprecated
16*793e52d4SMauro Carvalho Chehab
17*793e52d4SMauro Carvalho ChehabSynopsis
18*793e52d4SMauro Carvalho Chehab--------
19*793e52d4SMauro Carvalho Chehab
20*793e52d4SMauro Carvalho Chehab.. c:macro:: AUDIO_SET_MIXER
21*793e52d4SMauro Carvalho Chehab
22*793e52d4SMauro Carvalho Chehab``int ioctl(int fd, AUDIO_SET_MIXER, struct audio_mixer *mix)``
23*793e52d4SMauro Carvalho Chehab
24*793e52d4SMauro Carvalho ChehabArguments
25*793e52d4SMauro Carvalho Chehab---------
26*793e52d4SMauro Carvalho Chehab
27*793e52d4SMauro Carvalho Chehab.. flat-table::
28*793e52d4SMauro Carvalho Chehab    :header-rows:  0
29*793e52d4SMauro Carvalho Chehab    :stub-columns: 0
30*793e52d4SMauro Carvalho Chehab
31*793e52d4SMauro Carvalho Chehab    -
32*793e52d4SMauro Carvalho Chehab
33*793e52d4SMauro Carvalho Chehab       -  int fd
34*793e52d4SMauro Carvalho Chehab
35*793e52d4SMauro Carvalho Chehab       -  File descriptor returned by a previous call to open().
36*793e52d4SMauro Carvalho Chehab
37*793e52d4SMauro Carvalho Chehab    -
38*793e52d4SMauro Carvalho Chehab
39*793e52d4SMauro Carvalho Chehab       -  audio_mixer_t \*mix
40*793e52d4SMauro Carvalho Chehab
41*793e52d4SMauro Carvalho Chehab       -  mixer settings.
42*793e52d4SMauro Carvalho Chehab
43*793e52d4SMauro Carvalho ChehabDescription
44*793e52d4SMauro Carvalho Chehab-----------
45*793e52d4SMauro Carvalho Chehab
46*793e52d4SMauro Carvalho ChehabThis ioctl lets you adjust the mixer settings of the audio decoder.
47*793e52d4SMauro Carvalho Chehab
48*793e52d4SMauro Carvalho ChehabReturn Value
49*793e52d4SMauro Carvalho Chehab------------
50*793e52d4SMauro Carvalho Chehab
51*793e52d4SMauro Carvalho ChehabOn success 0 is returned, on error -1 and the ``errno`` variable is set
52*793e52d4SMauro Carvalho Chehabappropriately. The generic error codes are described at the
53*793e52d4SMauro Carvalho Chehab:ref:`Generic Error Codes <gen-errors>` chapter.
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