1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2.. c:namespace:: DTV.ca 3 4.. _CA_RESET: 5 6======== 7CA_RESET 8======== 9 10Name 11---- 12 13CA_RESET 14 15Synopsis 16-------- 17 18.. c:macro:: CA_RESET 19 20``int ioctl(fd, CA_RESET)`` 21 22Arguments 23--------- 24 25``fd`` 26 File descriptor returned by a previous call to :c:func:`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 34Return Value 35------------ 36 37On success 0 is returned. 38 39On error -1 is returned, and the ``errno`` variable is set 40appropriately. 41 42Generic error codes are described at the 43:ref:`Generic Error Codes <gen-errors>` chapter. 44