1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 .. c:namespace:: DTV.ca
20 ``int ioctl(fd, CA_RESET)``
26 File descriptor returned by a previous call to :c:func:`open()`.
31 Puts the Conditional Access hardware on its initial state. It should
32 be called before start using the CA hardware.
37 On success 0 is returned.
39 On error -1 is returned, and the ``errno`` variable is set
42 Generic error codes are described at the
43 :ref:`Generic Error Codes <gen-errors>` chapter.