fe-diseqc-reset-overload.rst (1056B)
1.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2.. c:namespace:: DTV.fe 3 4.. _FE_DISEQC_RESET_OVERLOAD: 5 6****************************** 7ioctl FE_DISEQC_RESET_OVERLOAD 8****************************** 9 10Name 11==== 12 13FE_DISEQC_RESET_OVERLOAD - Restores the power to the antenna subsystem, if it was powered off due - to power overload. 14 15Synopsis 16======== 17 18.. c:macro:: FE_DISEQC_RESET_OVERLOAD 19 20``int ioctl(int fd, FE_DISEQC_RESET_OVERLOAD, NULL)`` 21 22Arguments 23========= 24 25``fd`` 26 File descriptor returned by :c:func:`open()`. 27 28Description 29=========== 30 31If the bus has been automatically powered off due to power overload, 32this ioctl call restores the power to the bus. The call requires 33read/write access to the device. This call has no effect if the device 34is manually powered off. Not all Digital TV adapters support this ioctl. 35 36Return Value 37============ 38 39On success 0 is returned. 40 41On error -1 is returned, and the ``errno`` variable is set 42appropriately. 43 44Generic error codes are described at the 45:ref:`Generic Error Codes <gen-errors>` chapter.