f_preamp = config_GetFloat( p_intf, "equalizer-preamp" );
i_preset = presetsComboBox->findData( QVariant(
config_GetPsz( p_intf, "equalizer-preset" ) ) );
f_preamp = config_GetFloat( p_intf, "equalizer-preamp" );
i_preset = presetsComboBox->findData( QVariant(
config_GetPsz( p_intf, "equalizer-preset" ) ) );