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- .. 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.
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