Back to home page

OSCL-LXR

 
 

    


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.