1 .. Permission is granted to copy, distribute and/or modify this
2 .. document under the terms of the GNU Free Documentation License,
3 .. Version 1.1 or any later version published by the Free Software
4 .. Foundation, with no Invariant Sections, no Front-Cover Texts
5 .. and no Back-Cover Texts. A copy of the license is included at
6 .. Documentation/media/uapi/fdl-appendix.rst.
8 .. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
25 .. c:function:: int ioctl(fd, CA_RESET)
33 File descriptor returned by a previous call to :c:func:`open() <cec-open>`.
38 Puts the Conditional Access hardware on its initial state. It should
39 be called before start using the CA hardware.
45 On success 0 is returned.
47 On error -1 is returned, and the ``errno`` variable is set
50 Generic error codes are described at the
51 :ref:`Generic Error Codes <gen-errors>` chapter.