1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2 3.. _CA_RESET: 4 5======== 6CA_RESET 7======== 8 9Name 10---- 11 12CA_RESET 13 14 15Synopsis 16-------- 17 18.. c:function:: int ioctl(fd, CA_RESET) 19 :name: CA_RESET 20 21 22Arguments 23--------- 24 25``fd`` 26 File descriptor returned by a previous call to :c:func:`open() <cec-open>`. 27 28Description 29----------- 30 31Puts the Conditional Access hardware on its initial state. It should 32be called before start using the CA hardware. 33 34 35Return Value 36------------ 37 38On success 0 is returned. 39 40On error -1 is returned, and the ``errno`` variable is set 41appropriately. 42 43Generic error codes are described at the 44:ref:`Generic Error Codes <gen-errors>` chapter. 45