[P164] Update MQTT Discovery support

Author: tonhuisman

src/_P164_gases_ens160.ino

@@ -14,6 +14,7 @@
 // #######################################################################################################
 
 /** Changelog:
+ * 2025-01-23 tonhuisman: Add support for AQI MQTT AutoDiscovery
  * 2025-01-12 tonhuisman: Add support for MQTT AutoDiscovery (partially)
  */
 # include "src/PluginStructs/P164_data_struct.h"
@@ -68,7 +69,7 @@ boolean Plugin_164(uint8_t function, struct EventStruct *event, String& string)
     {
       event->Par1 = static_cast<int>(Sensor_VType::SENSOR_TYPE_TVOC_ONLY);
       event->Par2 = static_cast<int>(Sensor_VType::SENSOR_TYPE_CO2_ONLY);
-      event->Par3 = static_cast<int>(Sensor_VType::SENSOR_TYPE_NONE); // FIXME Use a better definition if/when available
+      event->Par3 = static_cast<int>(Sensor_VType::SENSOR_TYPE_AQI_ONLY);
       success     = true;
       break;
     }