From 3f4ba11f26a83e8295fa39c60cdf28e53474d86d Mon Sep 17 00:00:00 2001
From: Sam Chesney <samc@xmos.com>
Date: Tue, 5 Aug 2014 17:06:56 +0100
Subject: [PATCH] Avoid declaring unneeded channel when digital rx is not
 enabled

---
 module_usb_audio/main.xc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/module_usb_audio/main.xc b/module_usb_audio/main.xc
index 4e271583..e4501c16 100755
--- a/module_usb_audio/main.xc
+++ b/module_usb_audio/main.xc
@@ -364,7 +364,11 @@ chanend ?c_clk_int
     chan c_mix_out;
 #endif
 
+#if defined(SPDIF_RX) || defined(ADAT_RX)
     chan c_dig_rx;
+#else
+    #define c_dig_rx null
+#endif
 
     par
     {
@@ -436,7 +440,6 @@ int main()
     chan c_clk_ctl;
     chan c_clk_int;
 #else
-#define c_dig_rx null
 #define c_clk_int null
 #define c_clk_ctl null
 #define c_spdif_rx null