.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.ca
.. _CA_RESET:
========
CA_RESET
========
Name
----
CA_RESET
Synopsis
--------
.. c:macro:: CA_RESET
``int ioctl(fd, CA_RESET)``
Arguments
---------
``fd``
File descriptor returned by a previous call to :c:func:`open()`.
Description
-----------
Puts the Conditional Access hardware on its initial state. It should
be called before start using the CA hardware.
Return Value
------------
On success 0 is returned.
On error -1 is returned, and the ``errno`` variable is set
appropriately.
Generic error codes are described at the
:ref:`Generic Error Codes <gen-errors>` chapter.