Move gain clamping in rtl-sdr init

Author: AlexandreRouma

source_modules/rtl_sdr_source/src/main.cpp

@@ -199,8 +199,6 @@ class RTLSDRSourceModule : public ModuleManager::Instance {
             config.conf["devices"][selectedDevName]["tunerAgc"] = tunerAgc;
             config.conf["devices"][selectedDevName]["gain"] = gainId;
         }
-        if (gainId >= gainList.size()) { gainId = gainList.size() - 1; }
-        updateGainTxt();
 
         // Load config
         if (config.conf["devices"][selectedDevName].contains("sampleRate")) {
@@ -240,9 +238,11 @@ class RTLSDRSourceModule : public ModuleManager::Instance {
 
         if (config.conf["devices"][selectedDevName].contains("gain")) {
             gainId = config.conf["devices"][selectedDevName]["gain"];
-            updateGainTxt();
         }
 
+        if (gainId >= gainList.size()) { gainId = gainList.size() - 1; }
+        updateGainTxt();
+
         config.release(created);
 
         rtlsdr_close(openDev);
@@ -595,4 +595,4 @@ MOD_EXPORT void _DELETE_INSTANCE_(ModuleManager::Instance* instance) {
 MOD_EXPORT void _END_() {
     config.disableAutoSave();
     config.save();
-}
+}