1059b1c5bSMauro Carvalho Chehab.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 254f38fcaSMauro Carvalho Chehab 354f38fcaSMauro Carvalho Chehab.. _CA_GET_DESCR_INFO: 454f38fcaSMauro Carvalho Chehab 554f38fcaSMauro Carvalho Chehab================= 654f38fcaSMauro Carvalho ChehabCA_GET_DESCR_INFO 754f38fcaSMauro Carvalho Chehab================= 854f38fcaSMauro Carvalho Chehab 954f38fcaSMauro Carvalho ChehabName 1054f38fcaSMauro Carvalho Chehab---- 1154f38fcaSMauro Carvalho Chehab 1254f38fcaSMauro Carvalho ChehabCA_GET_DESCR_INFO 1354f38fcaSMauro Carvalho Chehab 1454f38fcaSMauro Carvalho Chehab 1554f38fcaSMauro Carvalho ChehabSynopsis 1654f38fcaSMauro Carvalho Chehab-------- 1754f38fcaSMauro Carvalho Chehab 1854f38fcaSMauro Carvalho Chehab.. c:function:: int ioctl(fd, CA_GET_DESCR_INFO, struct ca_descr_info *desc) 1954f38fcaSMauro Carvalho Chehab :name: CA_GET_DESCR_INFO 2054f38fcaSMauro Carvalho Chehab 2154f38fcaSMauro Carvalho ChehabArguments 2254f38fcaSMauro Carvalho Chehab--------- 2354f38fcaSMauro Carvalho Chehab 2454f38fcaSMauro Carvalho Chehab``fd`` 2554f38fcaSMauro Carvalho Chehab File descriptor returned by a previous call to :c:func:`open() <dvb-ca-open>`. 2654f38fcaSMauro Carvalho Chehab 2754f38fcaSMauro Carvalho Chehab``desc`` 2854f38fcaSMauro Carvalho Chehab Pointer to struct :c:type:`ca_descr_info`. 2954f38fcaSMauro Carvalho Chehab 3054f38fcaSMauro Carvalho ChehabDescription 3154f38fcaSMauro Carvalho Chehab----------- 3254f38fcaSMauro Carvalho Chehab 3354f38fcaSMauro Carvalho ChehabReturns information about all descrambler slots. 3454f38fcaSMauro Carvalho Chehab 3554f38fcaSMauro Carvalho ChehabReturn Value 3654f38fcaSMauro Carvalho Chehab------------ 3754f38fcaSMauro Carvalho Chehab 3854f38fcaSMauro Carvalho ChehabOn success 0 is returned, and :c:type:`ca_descr_info` is filled. 3954f38fcaSMauro Carvalho Chehab 4054f38fcaSMauro Carvalho ChehabOn error -1 is returned, and the ``errno`` variable is set 4154f38fcaSMauro Carvalho Chehabappropriately. The generic error codes are described at the 4254f38fcaSMauro Carvalho Chehab:ref:`Generic Error Codes <gen-errors>` chapter. 43