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