18c2ecf20Sopenharmony_ci.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 28c2ecf20Sopenharmony_ci.. c:namespace:: DTV.ca 38c2ecf20Sopenharmony_ci 48c2ecf20Sopenharmony_ci.. _CA_RESET: 58c2ecf20Sopenharmony_ci 68c2ecf20Sopenharmony_ci======== 78c2ecf20Sopenharmony_ciCA_RESET 88c2ecf20Sopenharmony_ci======== 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ciName 118c2ecf20Sopenharmony_ci---- 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ciCA_RESET 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_ciSynopsis 168c2ecf20Sopenharmony_ci-------- 178c2ecf20Sopenharmony_ci 188c2ecf20Sopenharmony_ci.. c:macro:: CA_RESET 198c2ecf20Sopenharmony_ci 208c2ecf20Sopenharmony_ci``int ioctl(fd, CA_RESET)`` 218c2ecf20Sopenharmony_ci 228c2ecf20Sopenharmony_ciArguments 238c2ecf20Sopenharmony_ci--------- 248c2ecf20Sopenharmony_ci 258c2ecf20Sopenharmony_ci``fd`` 268c2ecf20Sopenharmony_ci File descriptor returned by a previous call to :c:func:`open()`. 278c2ecf20Sopenharmony_ci 288c2ecf20Sopenharmony_ciDescription 298c2ecf20Sopenharmony_ci----------- 308c2ecf20Sopenharmony_ci 318c2ecf20Sopenharmony_ciPuts the Conditional Access hardware on its initial state. It should 328c2ecf20Sopenharmony_cibe called before start using the CA hardware. 338c2ecf20Sopenharmony_ci 348c2ecf20Sopenharmony_ciReturn Value 358c2ecf20Sopenharmony_ci------------ 368c2ecf20Sopenharmony_ci 378c2ecf20Sopenharmony_ciOn success 0 is returned. 388c2ecf20Sopenharmony_ci 398c2ecf20Sopenharmony_ciOn error -1 is returned, and the ``errno`` variable is set 408c2ecf20Sopenharmony_ciappropriately. 418c2ecf20Sopenharmony_ci 428c2ecf20Sopenharmony_ciGeneric error codes are described at the 438c2ecf20Sopenharmony_ci:ref:`Generic Error Codes <gen-errors>` chapter. 44