1*4882a593Smuzhiyun.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2*4882a593Smuzhiyun.. c:namespace:: DTV.fe 3*4882a593Smuzhiyun 4*4882a593Smuzhiyun.. _FE_DISEQC_RESET_OVERLOAD: 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun****************************** 7*4882a593Smuzhiyunioctl FE_DISEQC_RESET_OVERLOAD 8*4882a593Smuzhiyun****************************** 9*4882a593Smuzhiyun 10*4882a593SmuzhiyunName 11*4882a593Smuzhiyun==== 12*4882a593Smuzhiyun 13*4882a593SmuzhiyunFE_DISEQC_RESET_OVERLOAD - Restores the power to the antenna subsystem, if it was powered off due - to power overload. 14*4882a593Smuzhiyun 15*4882a593SmuzhiyunSynopsis 16*4882a593Smuzhiyun======== 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun.. c:macro:: FE_DISEQC_RESET_OVERLOAD 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun``int ioctl(int fd, FE_DISEQC_RESET_OVERLOAD, NULL)`` 21*4882a593Smuzhiyun 22*4882a593SmuzhiyunArguments 23*4882a593Smuzhiyun========= 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun``fd`` 26*4882a593Smuzhiyun File descriptor returned by :c:func:`open()`. 27*4882a593Smuzhiyun 28*4882a593SmuzhiyunDescription 29*4882a593Smuzhiyun=========== 30*4882a593Smuzhiyun 31*4882a593SmuzhiyunIf the bus has been automatically powered off due to power overload, 32*4882a593Smuzhiyunthis ioctl call restores the power to the bus. The call requires 33*4882a593Smuzhiyunread/write access to the device. This call has no effect if the device 34*4882a593Smuzhiyunis manually powered off. Not all Digital TV adapters support this ioctl. 35*4882a593Smuzhiyun 36*4882a593SmuzhiyunReturn Value 37*4882a593Smuzhiyun============ 38*4882a593Smuzhiyun 39*4882a593SmuzhiyunOn success 0 is returned. 40*4882a593Smuzhiyun 41*4882a593SmuzhiyunOn error -1 is returned, and the ``errno`` variable is set 42*4882a593Smuzhiyunappropriately. 43*4882a593Smuzhiyun 44*4882a593SmuzhiyunGeneric error codes are described at the 45*4882a593Smuzhiyun:ref:`Generic Error Codes <gen-errors>` chapter. 46