From 72f7a1d153dd71a140c530662e52a70d28440f4d Mon Sep 17 00:00:00 2001
From: xross <ross@xmos.com>
Date: Wed, 21 Feb 2018 15:54:25 +0000
Subject: [PATCH] Fixed runtime deadlock with MIXER=1 && MAX_MIX_COUNT=0

---
 lib_xua/src/core/mixer/mixer.xc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib_xua/src/core/mixer/mixer.xc b/lib_xua/src/core/mixer/mixer.xc
index 71e305ae..fe9dc766 100644
--- a/lib_xua/src/core/mixer/mixer.xc
+++ b/lib_xua/src/core/mixer/mixer.xc
@@ -365,9 +365,11 @@ static void mixer1(chanend c_host, chanend c_mix_ctl, chanend c_mixer2)
 
         /* Forward on Request for data to decouple thread */
         outuint(c_host, request);
-    
+
+#if (MAX_MIX_COUNT > 0) 
         /* Sync */
         outuint(c_mixer2, 0);
+#endif
 
         /* Between request to decouple and response ~ 400nS latency for interrupt to fire */
         select