From 7ad0318d4f9521b83bd7fef3b4907e9aa084cc7f Mon Sep 17 00:00:00 2001
From: Mark Whitehorn <kd0aij@gmail.com>
Date: Thu, 5 Apr 2018 15:04:21 -0600
Subject: [PATCH] AP_HAL_Linux: fix latent bug in ToneAlarm

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

diff --git a/libraries/AP_HAL_Linux/ToneAlarm.cpp b/libraries/AP_HAL_Linux/ToneAlarm.cpp
index 1aec15900d..02b1a82c11 100644
--- a/libraries/AP_HAL_Linux/ToneAlarm.cpp
+++ b/libraries/AP_HAL_Linux/ToneAlarm.cpp
@@ -81,7 +81,7 @@ void ToneAlarm::stop()
 
 bool ToneAlarm::play()
 {
-    uint16_t cur_time = AP_HAL::millis();
+    const uint32_t cur_time = AP_HAL::millis();
     if(tune_num != prev_tune_num){
         tune_changed = true;
         return true;