fe-dishnetwork-send-legacy-cmd.rst (1129B)
1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2.. c:namespace:: DTV.fe 3 4.. _FE_DISHNETWORK_SEND_LEGACY_CMD: 5 6****************************** 7FE_DISHNETWORK_SEND_LEGACY_CMD 8****************************** 9 10Name 11==== 12 13FE_DISHNETWORK_SEND_LEGACY_CMD 14 15Synopsis 16======== 17 18.. c:macro:: FE_DISHNETWORK_SEND_LEGACY_CMD 19 20``int ioctl(int fd, FE_DISHNETWORK_SEND_LEGACY_CMD, unsigned long cmd)`` 21 22Arguments 23========= 24 25``fd`` 26 File descriptor returned by :c:func:`open()`. 27 28``cmd`` 29 Sends the specified raw cmd to the dish via DISEqC. 30 31Description 32=========== 33 34.. warning:: 35 This is a very obscure legacy command, used only at stv0299 36 driver. Should not be used on newer drivers. 37 38It provides a non-standard method for selecting Diseqc voltage on the 39frontend, for Dish Network legacy switches. 40 41As support for this ioctl were added in 2004, this means that such 42dishes were already legacy in 2004. 43 44Return Value 45============ 46 47On success 0 is returned. 48 49On error -1 is returned, and the ``errno`` variable is set 50appropriately. 51 52Generic error codes are described at the 53:ref:`Generic Error Codes <gen-errors>` chapter.