summaryrefslogtreecommitdiff
path: root/Documentation/media/uapi/dvb/ca-get-slot-info.rst
blob: 1a1d6f0c71b99a799b9a081a87dbe5d3860d580a (plain)
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
55
56
57
.. -*- coding: utf-8; mode: rst -*-

.. _CA_GET_SLOT_INFO:

================
CA_GET_SLOT_INFO
================

Name
----

CA_GET_SLOT_INFO


Synopsis
--------

.. c:function:: int ioctl(fd, CA_GET_SLOT_INFO, struct ca_slot_info *info)
    :name: CA_GET_SLOT_INFO


Arguments
---------

``fd``
  File descriptor returned by a previous call to :c:func:`open() <cec-open>`.

``info``
  Pointer to struct :c:type:`ca_slot_info`.

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

Returns information about a CA slot identified by
:c:type:`ca_slot_info`.slot_num.


Return Value
------------

On success 0 is returned, and :c:type:`ca_slot_info` is filled.

On error -1 is returned, and the ``errno`` variable is set
appropriately.

.. tabularcolumns:: |p{2.5cm}|p{15.0cm}|

.. flat-table::
    :header-rows:  0
    :stub-columns: 0
    :widths: 1 16

    -  -  ``ENODEV``
       -  the slot is not available.

The generic error codes are described at the
:ref:`Generic Error Codes <gen-errors>` chapter.