From f2c94b3298302dad7a8c24432fef08faf60b1987 Mon Sep 17 00:00:00 2001
From: AnHardt <github@kitelab.de>
Date: Wed, 22 Apr 2015 01:49:55 +0200
Subject: [PATCH] tone will end automaticly

---
 Marlin/ultralcd.cpp | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/Marlin/ultralcd.cpp b/Marlin/ultralcd.cpp
index 2673f0f853..90ab351c88 100644
--- a/Marlin/ultralcd.cpp
+++ b/Marlin/ultralcd.cpp
@@ -1542,9 +1542,7 @@ void lcd_buzz(long duration, uint16_t freq) {
   if (freq > 0) {
     #if BEEPER > 0
       SET_OUTPUT(BEEPER);
-      tone(BEEPER, freq);
-      delay(duration);
-      noTone(BEEPER);
+      tone(BEEPER, freq, duration);
     #elif defined(LCD_USE_I2C_BUZZER)
       lcd.buzz(duration,freq);
     #else