.. 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.