hopefully fix tuning c-band frequencies

diff --git a/lib/dvb/sec.cpp b/lib/dvb/sec.cpp
index d504fcb..16c68e8 100644 (file)
--- a/lib/dvb/sec.cpp
+++ b/lib/dvb/sec.cpp
@@ -287,6 +287,8 @@ RESULT eDVBSatelliteEquipmentControl::prepare(iDVBFrontend &frontend, FRONTENDPA
                        else
                                parm.FREQUENCY = sat.frequency - lnb_param.m_lof_lo;
 
+                       parm.FREQUENCY = abs(parm.FREQUENCY);
+
                        if (sat.polarisation == eDVBFrontendParametersSatellite::Polarisation::Horizontal)
                                band |= 2;