From 5dac0bbe496ad9662ff43e77cfb081050797124f Mon Sep 17 00:00:00 2001
From: Jared Boone <jboone@earfeast.com>
Date: Sun, 10 Jan 2016 20:16:21 -0800
Subject: [PATCH] Squelch special case when threshold == 0, do not squelch.

---
 firmware/baseband/dsp_squelch.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/firmware/baseband/dsp_squelch.cpp b/firmware/baseband/dsp_squelch.cpp
index c4c18cca1..72f026e0c 100644
--- a/firmware/baseband/dsp_squelch.cpp
+++ b/firmware/baseband/dsp_squelch.cpp
@@ -25,6 +25,10 @@
 #include <array>
 
 bool FMSquelch::execute(const buffer_s16_t& audio) {
+	if( threshold_squared == 0 ) {
+		return true;
+	}
+
 	// TODO: No hard-coded array size.
 	std::array<int16_t, N> squelch_energy_buffer;
 	const buffer_s16_t squelch_energy {