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Diffstat (limited to 'Documentation/media/uapi/dvb/ca-reset.rst')
| -rw-r--r-- | Documentation/media/uapi/dvb/ca-reset.rst | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/Documentation/media/uapi/dvb/ca-reset.rst b/Documentation/media/uapi/dvb/ca-reset.rst index 477313121a65..29788325f90e 100644 --- a/Documentation/media/uapi/dvb/ca-reset.rst +++ b/Documentation/media/uapi/dvb/ca-reset.rst @@ -28,12 +28,17 @@ Arguments Description ----------- -.. note:: This ioctl is undocumented. Documentation is welcome. +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 and the ``errno`` variable is set -appropriately. The generic error codes are described at the +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. |