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