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/userspace-api/media/fdl-appendix.rst. 7.. 8.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections 9 10.. _CA_RESET: 11 12======== 13CA_RESET 14======== 15 16Name 17---- 18 19CA_RESET 20 21 22Synopsis 23-------- 24 25.. c:function:: int ioctl(fd, CA_RESET) 26 :name: CA_RESET 27 28 29Arguments 30--------- 31 32``fd`` 33 File descriptor returned by a previous call to :c:func:`open() <cec-open>`. 34 35Description 36----------- 37 38Puts the Conditional Access hardware on its initial state. It should 39be called before start using the CA hardware. 40 41 42Return Value 43------------ 44 45On success 0 is returned. 46 47On error -1 is returned, and the ``errno`` variable is set 48appropriately. 49 50Generic error codes are described at the 51:ref:`Generic Error Codes <gen-errors>` chapter. 52