1059b1c5bSMauro Carvalho Chehab.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2f9b2e8aaSMauro Carvalho Chehab.. c:namespace:: DTV.ca 354f38fcaSMauro Carvalho Chehab 454f38fcaSMauro Carvalho Chehab.. _CA_GET_DESCR_INFO: 554f38fcaSMauro Carvalho Chehab 654f38fcaSMauro Carvalho Chehab================= 754f38fcaSMauro Carvalho ChehabCA_GET_DESCR_INFO 854f38fcaSMauro Carvalho Chehab================= 954f38fcaSMauro Carvalho Chehab 1054f38fcaSMauro Carvalho ChehabName 1154f38fcaSMauro Carvalho Chehab---- 1254f38fcaSMauro Carvalho Chehab 1354f38fcaSMauro Carvalho ChehabCA_GET_DESCR_INFO 1454f38fcaSMauro Carvalho Chehab 1554f38fcaSMauro Carvalho ChehabSynopsis 1654f38fcaSMauro Carvalho Chehab-------- 1754f38fcaSMauro Carvalho Chehab 18f9b2e8aaSMauro Carvalho Chehab.. c:macro:: CA_GET_DESCR_INFO 19f9b2e8aaSMauro Carvalho Chehab 20f9b2e8aaSMauro Carvalho Chehab``int ioctl(fd, CA_GET_DESCR_INFO, struct ca_descr_info *desc)`` 2154f38fcaSMauro Carvalho Chehab 2254f38fcaSMauro Carvalho ChehabArguments 2354f38fcaSMauro Carvalho Chehab--------- 2454f38fcaSMauro Carvalho Chehab 2554f38fcaSMauro Carvalho Chehab``fd`` 26f9b2e8aaSMauro Carvalho Chehab File descriptor returned by a previous call to :c:func:`open()`. 2754f38fcaSMauro Carvalho Chehab 2854f38fcaSMauro Carvalho Chehab``desc`` 2954f38fcaSMauro Carvalho Chehab Pointer to struct :c:type:`ca_descr_info`. 3054f38fcaSMauro Carvalho Chehab 3154f38fcaSMauro Carvalho ChehabDescription 3254f38fcaSMauro Carvalho Chehab----------- 3354f38fcaSMauro Carvalho Chehab 3454f38fcaSMauro Carvalho ChehabReturns information about all descrambler slots. 3554f38fcaSMauro Carvalho Chehab 3654f38fcaSMauro Carvalho ChehabReturn Value 3754f38fcaSMauro Carvalho Chehab------------ 3854f38fcaSMauro Carvalho Chehab 3954f38fcaSMauro Carvalho ChehabOn success 0 is returned, and :c:type:`ca_descr_info` is filled. 4054f38fcaSMauro Carvalho Chehab 4154f38fcaSMauro Carvalho ChehabOn error -1 is returned, and the ``errno`` variable is set 4254f38fcaSMauro Carvalho Chehabappropriately. The generic error codes are described at the 4354f38fcaSMauro Carvalho Chehab:ref:`Generic Error Codes <gen-errors>` chapter. 44