diff options
Diffstat (limited to 'Documentation/media/uapi/dvb/ca-get-descr-info.rst')
| -rw-r--r-- | Documentation/media/uapi/dvb/ca-get-descr-info.rst | 29 |
1 files changed, 4 insertions, 25 deletions
diff --git a/Documentation/media/uapi/dvb/ca-get-descr-info.rst b/Documentation/media/uapi/dvb/ca-get-descr-info.rst index 7bf327a3d0e3..e564fbb8d524 100644 --- a/Documentation/media/uapi/dvb/ca-get-descr-info.rst +++ b/Documentation/media/uapi/dvb/ca-get-descr-info.rst @@ -27,37 +27,16 @@ Arguments ``desc`` Pointer to struct :c:type:`ca_descr_info`. -.. c:type:: struct ca_descr_info - -.. flat-table:: struct ca_descr_info - :header-rows: 1 - :stub-columns: 0 - - - - - type - - name - - description - - - - - unsigned int - - num - - number of available descramblers (keys) - - - - unsigned int - - type - - type of supported scrambling system. Valid values are: - ``CA_ECD``, ``CA_NDS`` and ``CA_DSS``. - - Description ----------- -.. note:: This ioctl is undocumented. Documentation is welcome. - +Returns information about all descrambler slots. Return Value ------------ -On success 0 is returned, on error -1 and the ``errno`` variable is set +On success 0 is returned, and :c:type:`ca_descr_info` is filled. + +On error -1 is returned, and the ``errno`` variable is set appropriately. The generic error codes are described at the :ref:`Generic Error Codes <gen-errors>` chapter. |