From c61d32c0fad5741b9e612e9effdc4890d6bf37cb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20G=C3=B6ttgens?= <tgoettgens@gmail.com>
Date: Fri, 3 Jul 2026 11:13:02 +0200
Subject: [PATCH] Guard AirQuality I2C re-scan behind !MESHTASTIC_EXCLUDE_I2C

ScanI2CTwoWire is compiled out on builds that define
MESHTASTIC_EXCLUDE_I2C (e.g. native-wasm/portduino), while the
AirQuality module still builds there. Skip the re-scan when I2C is
excluded; there is nothing to scan.
---
 src/modules/Telemetry/AirQualityTelemetry.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/modules/Telemetry/AirQualityTelemetry.cpp b/src/modules/Telemetry/AirQualityTelemetry.cpp
index bd11a26b4..8320b0ab5 100644
--- a/src/modules/Telemetry/AirQualityTelemetry.cpp
+++ b/src/modules/Telemetry/AirQualityTelemetry.cpp
@@ -142,9 +142,11 @@ int32_t AirQualityTelemetryModule::runOnce()
         if (moduleConfig.telemetry.air_quality_enabled) {
             LOG_INFO("Air quality Telemetry: init");
 
+#if !MESHTASTIC_EXCLUDE_I2C
             // Re-scan I2C bus
             auto i2cScanner = std::unique_ptr<ScanI2CTwoWire>(new ScanI2CTwoWire());
             i2cScanFinished(i2cScanner.get());
+#endif
 
             // check if we have at least one sensor
             if (!sensors.empty()) {