From 56e92355a35377d9a1feeffb6d692ac8fa9373d4 Mon Sep 17 00:00:00 2001
From: Ross Owen <ross@xmos.com>
Date: Thu, 29 Aug 2013 19:27:21 +0100
Subject: [PATCH] Underflow case now uses shared mute sample (for DSD use)

---
 module_usb_audio/usb_buffer/decouple.xc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/module_usb_audio/usb_buffer/decouple.xc b/module_usb_audio/usb_buffer/decouple.xc
index 995cc25a..f723d934 100644
--- a/module_usb_audio/usb_buffer/decouple.xc
+++ b/module_usb_audio/usb_buffer/decouple.xc
@@ -261,7 +261,9 @@ void handle_audio_request(chanend c_mix_out)
         /* We're still pre-buffering, send out 0 samps */
         for(int i = 0; i < NUM_USB_CHAN_OUT; i++) 
         {
-            outuint(c_mix_out, 0);
+            unsigned sample;
+            GET_SHARED_GLOBAL(sample, g_muteSample);
+            outuint(c_mix_out, sample);
         }
 
         /* Calc how many samples left in buffer */