From ec39e1136a5e5f0d949c94fcaeea58875975d0d2 Mon Sep 17 00:00:00 2001
From: Ric In New Mexico <78682404+RicInNewMexico@users.noreply.github.com>
Date: Sat, 20 Apr 2024 14:58:21 -0600
Subject: [PATCH] INA3221 Mis-identification fix (#3681)

---
 src/detect/ScanI2CTwoWire.cpp | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/detect/ScanI2CTwoWire.cpp b/src/detect/ScanI2CTwoWire.cpp
index 13c2f4609..e2e2188b6 100644
--- a/src/detect/ScanI2CTwoWire.cpp
+++ b/src/detect/ScanI2CTwoWire.cpp
@@ -271,9 +271,14 @@ void ScanI2CTwoWire::scanPort(I2CPort port)
                 }
                 break;
             case INA3221_ADDR:
-                LOG_INFO("INA3221 sensor found at address 0x%x\n", (uint8_t)addr.address);
-                type = INA3221;
-                break;
+                registerValue = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0xFE), 2);
+                LOG_DEBUG("Register MFG_UID: 0x%x\n", registerValue);
+                if (registerValue == 0x5449) {
+                    LOG_INFO("INA3221 sensor found at address 0x%x\n", (uint8_t)addr.address);
+                    type = INA3221;
+                } else { // Unknown device
+                    LOG_INFO("No INA3221 found at address 0x%x\n", (uint8_t)addr.address);
+                }
             case MCP9808_ADDR:
                 registerValue = getRegisterValue(ScanI2CTwoWire::RegisterLocation(addr, 0x07), 2);
                 if (registerValue == 0x0400) {