From 533ccaa23ca82bce45c6fd54580f2d2fdc0c34fa Mon Sep 17 00:00:00 2001
From: XANTRONIX Development
Date: Sat, 12 Mar 2022 17:21:55 -0500
Subject: Avoid divide-by-zero when frequency set to 0

---
 src/synth.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/synth.c b/src/synth.c
index 9c974e5..41522a6 100644
--- a/src/synth.c
+++ b/src/synth.c
@@ -94,8 +94,14 @@ static ssize_t synth_fill(xas_synth *synth,
                           xas_audio_stream *stream) {
     size_t i;
 
-    for (i=0; i<count; i++) {
-        samples[i] = synth->sample(synth);
+    if (synth->frequency > 0) {
+        for (i=0; i<count; i++) {
+            samples[i] = synth->sample(synth);
+        }
+    } else {
+        for (i=0; i<count; i++) {
+            samples[i] = 0;
+        }
     }
 
     return count;
-- 
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