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| -rw-r--r-- | Documentation/media/uapi/dvb/ca-reset.rst | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/Documentation/media/uapi/dvb/ca-reset.rst b/Documentation/media/uapi/dvb/ca-reset.rst new file mode 100644 index 000000000..29788325f --- /dev/null +++ b/Documentation/media/uapi/dvb/ca-reset.rst @@ -0,0 +1,44 @@ +.. -*- coding: utf-8; mode: rst -*- + +.. _CA_RESET: + +======== +CA_RESET +======== + +Name +---- + +CA_RESET + + +Synopsis +-------- + +.. c:function:: int ioctl(fd, CA_RESET) + :name: CA_RESET + + +Arguments +--------- + +``fd`` + File descriptor returned by a previous call to :c:func:`open() <cec-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. |