From ac60ddfddebee1b37df3a2a70a3df4f436fedf0c Mon Sep 17 00:00:00 2001
From: mirkix <mirkix@gmail.com>
Date: Tue, 7 Mar 2017 22:01:42 +0100
Subject: [PATCH] AP_OpticalFlow: allow to search on I2C bus 2

---
 libraries/AP_OpticalFlow/AP_OpticalFlow_PX4Flow.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/AP_OpticalFlow/AP_OpticalFlow_PX4Flow.cpp b/libraries/AP_OpticalFlow/AP_OpticalFlow_PX4Flow.cpp
index 115be975a89..f92562e5a98 100644
--- a/libraries/AP_OpticalFlow/AP_OpticalFlow_PX4Flow.cpp
+++ b/libraries/AP_OpticalFlow/AP_OpticalFlow_PX4Flow.cpp
@@ -55,7 +55,7 @@ AP_OpticalFlow_PX4Flow *AP_OpticalFlow_PX4Flow::detect(OpticalFlow &_frontend)
  */
 bool AP_OpticalFlow_PX4Flow::scan_buses(void)
 {
-    for (uint8_t bus=0; bus<2; bus++) {
+    for (uint8_t bus = 0; bus < 3; bus++) {
 #ifdef HAL_OPTFLOW_PX4FLOW_I2C_BUS
         // only one bus from HAL
         if (bus != HAL_OPTFLOW_PX4FLOW_I2C_BUS) {