AirspyHF: limit decimation to 32

plugins/samplesource/airspyhf/airspyhfgui.cpp

@@ -285,7 +285,7 @@ void AirspyHFGui::on_sampleRate_currentIndexChanged(int index)
 
 void AirspyHFGui::on_decim_currentIndexChanged(int index)
 {
-	if ((index <0) || (index > 6))
+	if ((index < 0) || (index > 5))
 		return;
 	m_settings.m_log2Decim = index;
 	sendSettings();

plugins/samplesource/airspyhf/airspyhfgui.ui

@@ -352,7 +352,7 @@
         <string>Decimation factor</string>
        </property>
        <property name="currentIndex">
-        <number>3</number>
+        <number>0</number>
        </property>
        <item>
         <property name="text">
@@ -384,11 +384,6 @@
          <string>32</string>
         </property>
        </item>
-       <item>
-        <property name="text">
-         <string>64</string>
-        </property>
-       </item>
       </widget>
      </item>
      <item>