From 976d0a327b563ff83d0f7bcee41b2360877bface Mon Sep 17 00:00:00 2001
From: Jack Humbert <jack.humb@gmail.com>
Date: Tue, 5 Apr 2016 09:21:44 -0400
Subject: [PATCH] add silent notes

---
 quantum/audio.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/quantum/audio.c b/quantum/audio.c
index 3a3a1a491..f29d941d7 100644
--- a/quantum/audio.c
+++ b/quantum/audio.c
@@ -247,6 +247,9 @@ ISR(TIMER3_COMPA_vect) {
             if (note_frequency > 0) {
                 ICR3 = (int)(((double)F_CPU) / note_frequency); // Set max to the period
                 OCR3A = (int)(((double)F_CPU) / note_frequency) >> 1; // Set compare to half the period
+            } else {
+                ICR3 = 0;
+                OCR3A = 0;
             }
         #endif