0001 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
0002 .. c:namespace:: DTV.fe
0003
0004 .. _FE_DISEQC_RESET_OVERLOAD:
0005
0006 ******************************
0007 ioctl FE_DISEQC_RESET_OVERLOAD
0008 ******************************
0009
0010 Name
0011 ====
0012
0013 FE_DISEQC_RESET_OVERLOAD - Restores the power to the antenna subsystem, if it was powered off due - to power overload.
0014
0015 Synopsis
0016 ========
0017
0018 .. c:macro:: FE_DISEQC_RESET_OVERLOAD
0019
0020 ``int ioctl(int fd, FE_DISEQC_RESET_OVERLOAD, NULL)``
0021
0022 Arguments
0023 =========
0024
0025 ``fd``
0026 File descriptor returned by :c:func:`open()`.
0027
0028 Description
0029 ===========
0030
0031 If the bus has been automatically powered off due to power overload,
0032 this ioctl call restores the power to the bus. The call requires
0033 read/write access to the device. This call has no effect if the device
0034 is manually powered off. Not all Digital TV adapters support this ioctl.
0035
0036 Return Value
0037 ============
0038
0039 On success 0 is returned.
0040
0041 On error -1 is returned, and the ``errno`` variable is set
0042 appropriately.
0043
0044 Generic error codes are described at the
0045 :ref:`Generic Error Codes <gen-errors>` chapter.