From eb5b2d7d301a141e75e15730149fc8fd5e9ab156 Mon Sep 17 00:00:00 2001
From: Jared Boone <jboone@earfeast.com>
Date: Sun, 10 Jan 2016 11:34:06 -0800
Subject: [PATCH] Fix broken audio stats when audio is muted.

---
 firmware/baseband/baseband_processor.cpp | 8 +++++++-
 firmware/baseband/baseband_processor.hpp | 2 +-
 firmware/baseband/proc_nfm_audio.cpp     | 2 +-
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/firmware/baseband/baseband_processor.cpp b/firmware/baseband/baseband_processor.cpp
index cfef43b2..d1786920 100644
--- a/firmware/baseband/baseband_processor.cpp
+++ b/firmware/baseband/baseband_processor.cpp
@@ -54,8 +54,14 @@ void BasebandProcessor::fill_audio_buffer(const buffer_s16_t& audio) {
 	feed_audio_stats(audio);
 }
 
-void BasebandProcessor::mute_audio() {
+void BasebandProcessor::mute_audio(const buffer_s16_t& audio) {
 	i2s::i2s0::tx_mute();
+
+	for(size_t i=0; i<audio.count; i++) {
+		audio.p[i] = 0;
+	}
+
+	feed_audio_stats(audio);
 }
 
 void BasebandProcessor::feed_audio_stats(const buffer_s16_t& audio) {
diff --git a/firmware/baseband/baseband_processor.hpp b/firmware/baseband/baseband_processor.hpp
index 707a3ef8..7e328612 100644
--- a/firmware/baseband/baseband_processor.hpp
+++ b/firmware/baseband/baseband_processor.hpp
@@ -44,7 +44,7 @@ protected:
 	void feed_channel_stats(const buffer_c16_t& channel);
 
 	void fill_audio_buffer(const buffer_s16_t& audio);
-	void mute_audio();
+	void mute_audio(const buffer_s16_t& audio);
 
 private:
 	ChannelStatsCollector channel_stats;
diff --git a/firmware/baseband/proc_nfm_audio.cpp b/firmware/baseband/proc_nfm_audio.cpp
index 093d92b4..6cb3696d 100644
--- a/firmware/baseband/proc_nfm_audio.cpp
+++ b/firmware/baseband/proc_nfm_audio.cpp
@@ -52,7 +52,7 @@ void NarrowbandFMAudio::execute(const buffer_c8_t& buffer) {
 	if( audio_present ) {
 		fill_audio_buffer(audio);
 	} else {
-		mute_audio();
+		mute_audio(audio);
 	}
 }