| .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later |
| .. c:namespace:: DTV.ca |
| |
| .. _CA_RESET: |
| |
| ======== |
| CA_RESET |
| ======== |
| |
| Name |
| ---- |
| |
| CA_RESET |
| |
| Synopsis |
| -------- |
| |
| .. c:macro:: CA_RESET |
| |
| ``int ioctl(fd, CA_RESET)`` |
| |
| Arguments |
| --------- |
| |
| ``fd`` |
| File descriptor returned by a previous call to :c:func:`open()`. |
| |
| Description |
| ----------- |
| |
| Puts the Conditional Access hardware on its initial state. It should |
| be called before start using the CA hardware. |
| |
| Return Value |
| ------------ |
| |
| On success 0 is returned. |
| |
| On error -1 is returned, and the ``errno`` variable is set |
| appropriately. |
| |
| Generic error codes are described at the |
| :ref:`Generic Error Codes <gen-errors>` chapter. |
