.. 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 ` chapter.