linux/Documentation/media/uapi/dvb/ca-get-slot-info.rst

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.. -*- 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, ca_slot_info_t *info)
:name: CA_GET_SLOT_INFO
Arguments
---------
``fd``
File descriptor returned by a previous call to :c:func:`open() <cec-open>`.
``info``
Undocumented.
Description
-----------
.. note:: This ioctl is undocumented. Documentation is welcome.
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.