diff --git a/arch/arm/mach-rk2818/adc.c b/arch/arm/mach-rk2818/adc.c
index 12965963d245..04fb2563c995 100755
--- a/arch/arm/mach-rk2818/adc.c
+++ b/arch/arm/mach-rk2818/adc.c
@@ -30,7 +30,7 @@
  * action is required.
  */
  
-#if 1
+#if 0
 #define DBG(x...)   printk(x)
 #else
 #define DBG(x...)