Based on kernel version 4.7.2. Page generated on 2016-08-22 22:44 EST.
1 <refentry id="FE_ENABLE_HIGH_LNB_VOLTAGE"> 2 <refmeta> 3 <refentrytitle>ioctl FE_ENABLE_HIGH_LNB_VOLTAGE</refentrytitle> 4 &manvol; 5 </refmeta> 6 7 <refnamediv> 8 <refname>FE_ENABLE_HIGH_LNB_VOLTAGE</refname> 9 <refpurpose>Select output DC level between normal LNBf voltages or higher 10 LNBf voltages.</refpurpose> 11 </refnamediv> 12 13 <refsynopsisdiv> 14 <funcsynopsis> 15 <funcprototype> 16 <funcdef>int <function>ioctl</function></funcdef> 17 <paramdef>int <parameter>fd</parameter></paramdef> 18 <paramdef>int <parameter>request</parameter></paramdef> 19 <paramdef>unsigned int <parameter>high</parameter></paramdef> 20 </funcprototype> 21 </funcsynopsis> 22 </refsynopsisdiv> 23 24 <refsect1> 25 <title>Arguments</title> 26 <variablelist> 27 <varlistentry> 28 <term><parameter>fd</parameter></term> 29 <listitem> 30 <para>&fe_fd;</para> 31 </listitem> 32 </varlistentry> 33 <varlistentry> 34 <term><parameter>request</parameter></term> 35 <listitem> 36 <para>FE_ENABLE_HIGH_LNB_VOLTAGE</para> 37 </listitem> 38 </varlistentry> 39 <varlistentry> 40 <term><parameter>high</parameter></term> 41 <listitem> 42 <para>Valid flags:</para> 43 <itemizedlist> 44 <listitem><para>0 - normal 13V and 18V.</para></listitem> 45 <listitem><para>>0 - enables slightly higher voltages instead of 46 13/18V, in order to compensate for long antenna cables.</para></listitem> 47 </itemizedlist> 48 </listitem> 49 </varlistentry> 50 </variablelist> 51 </refsect1> 52 53 <refsect1> 54 <title>Description</title> 55 56 <para>Select output DC level between normal LNBf voltages or higher 57 LNBf voltages between 0 (normal) or a value grater than 0 for higher 58 voltages.</para> 59 &return-value-dvb; 60 </refsect1> 61 </refentry>