1 .. -*- coding: utf-8; mode: rst -*-
3 .. _FE_ENABLE_HIGH_LNB_VOLTAGE:
5 ********************************
6 ioctl FE_ENABLE_HIGH_LNB_VOLTAGE
7 ********************************
12 FE_ENABLE_HIGH_LNB_VOLTAGE - Select output DC level between normal LNBf voltages or higher LNBf - voltages.
18 .. cpp:function:: int ioctl( int fd, int request, unsigned int high )
25 File descriptor returned by :ref:`open() <frontend_f_open>`.
28 FE_ENABLE_HIGH_LNB_VOLTAGE
33 - 0 - normal 13V and 18V.
35 - >0 - enables slightly higher voltages instead of 13/18V, in order
36 to compensate for long antenna cables.
42 Select output DC level between normal LNBf voltages or higher LNBf
43 voltages between 0 (normal) or a value grater than 0 for higher
50 On success 0 is returned, on error -1 and the ``errno`` variable is set
51 appropriately. The generic error codes are described at the
52 :ref:`Generic Error Codes <gen-errors>` chapter.