tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1.. -*- coding: utf-8; mode: rst -*-
2
3.. _CA_GET_SLOT_INFO:
4
5================
6CA_GET_SLOT_INFO
7================
8
9Name
10----
11
12CA_GET_SLOT_INFO
13
14
15Synopsis
16--------
17
18.. c:function:: int ioctl(fd, CA_GET_SLOT_INFO, struct ca_slot_info *info)
19 :name: CA_GET_SLOT_INFO
20
21
22Arguments
23---------
24
25``fd``
26 File descriptor returned by a previous call to :c:func:`open() <cec-open>`.
27
28``info``
29 Pointer to struct :c:type:`ca_slot_info`.
30
31Description
32-----------
33
34Returns information about a CA slot identified by
35:c:type:`ca_slot_info`.slot_num.
36
37
38Return Value
39------------
40
41On success 0 is returned, and :c:type:`ca_slot_info` is filled.
42
43On error -1 is returned, and the ``errno`` variable is set
44appropriately.
45
46.. tabularcolumns:: |p{2.5cm}|p{15.0cm}|
47
48.. flat-table::
49 :header-rows: 0
50 :stub-columns: 0
51 :widths: 1 16
52
53 - - ``ENODEV``
54 - the slot is not available.
55
56The generic error codes are described at the
57:ref:`Generic Error Codes <gen-errors>` chapter.