From b0bbc56d122d02d55f37b25803041063ffbbf9c3 Mon Sep 17 00:00:00 2001
From: bresch <brescianimathieu@gmail.com>
Date: Mon, 6 Aug 2018 14:24:43 +0200
Subject: [PATCH] NullMixer - Send NAN instead of 0. NAN is mapped to disarmed
 in fmu and io. A Null mixer can now be used to set a fixed value: "disarmed"
 if the system is operational or "failsafe" in failsafe mode

---
 src/lib/mixer/mixer.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib/mixer/mixer.cpp b/src/lib/mixer/mixer.cpp
index 6dda03776d..ed176b6f63 100644
--- a/src/lib/mixer/mixer.cpp
+++ b/src/lib/mixer/mixer.cpp
@@ -189,7 +189,7 @@ unsigned
 NullMixer::mix(float *outputs, unsigned space)
 {
 	if (space > 0) {
-		*outputs = 0.0f;
+		*outputs = NAN;
 		return 1;
 	}