From 3952fd780fb5647fde8221e6c74cab260eb3e285 Mon Sep 17 00:00:00 2001
From: guozhanxin <guozhanxin@rt-thread.com>
Date: Wed, 18 Nov 2020 11:13:21 +0800
Subject: [PATCH] [fix] When enable audio and usb at the same time. The warning
 <"MIN" redefined> is shown.

---
 components/drivers/audio/audio.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/components/drivers/audio/audio.c b/components/drivers/audio/audio.c
index 4cec8a4a9c..846dad07cf 100644
--- a/components/drivers/audio/audio.c
+++ b/components/drivers/audio/audio.c
@@ -19,7 +19,9 @@
 #define DBG_LVL              DBG_INFO
 #include <rtdbg.h>
 
+#ifndef MIN
 #define MIN(a, b)         ((a) < (b) ? (a) : (b))
+#endif
 
 enum
 {