diff --git a/include/autoconf.h b/include/autoconf.h
index cc02a45..b718fe0 100644
--- a/include/autoconf.h
+++ b/include/autoconf.h
@@ -93,10 +93,10 @@
 
 	/*#define CONFIG_ANTENNA_DIVERSITY*/
 
-	/* #define CONFIG_CONCURRENT_MODE */
+	#define CONFIG_CONCURRENT_MODE
 	#ifdef CONFIG_CONCURRENT_MODE
 		#define CONFIG_RUNTIME_PORT_SWITCH
-
+                #define CONFIG_SCAN_BACKOP
 		#define CONFIG_TSF_RESET_OFFLOAD			/* For 2 PORT TSF SYNC. */
 	#endif