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Linux kernel mirror (for testing)
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kernel
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linux
1.. -*- coding: utf-8; mode: rst -*-
2
3.. _AUDIO_GET_CAPABILITIES:
4
5======================
6AUDIO_GET_CAPABILITIES
7======================
8
9Name
10----
11
12AUDIO_GET_CAPABILITIES
13
14.. attention:: This ioctl is deprecated
15
16Synopsis
17--------
18
19.. c:function:: int ioctl(int fd, AUDIO_GET_CAPABILITIES, unsigned int *cap)
20 :name: AUDIO_GET_CAPABILITIES
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 - unsigned int \*cap
40
41 - Returns a bit array of supported sound formats.
42
43
44Description
45-----------
46
47This ioctl call asks the Audio Device to tell us about the decoding
48capabilities of the audio hardware.
49
50
51Return Value
52------------
53
54On success 0 is returned, on error -1 and the ``errno`` variable is set
55appropriately. The generic error codes are described at the
56:ref:`Generic Error Codes <gen-errors>` chapter.