diff --git a/lichee/linux-4.9/drivers/input/touchscreen/cst9220/hynitron_core.h b/lichee/linux-4.9/drivers/input/touchscreen/cst9220/hynitron_core.h
index 5e29f66d0..f52b939ea 100755
--- a/lichee/linux-4.9/drivers/input/touchscreen/cst9220/hynitron_core.h
+++ b/lichee/linux-4.9/drivers/input/touchscreen/cst9220/hynitron_core.h
@@ -77,7 +77,7 @@
 //please config the chip series before using.
 
 #define HYN_CHIP_TYPE_CONFIG						CST3240
-#define HYN_IRQ_TRIGGER_RISING_CONFIG	    	    0x00 
+#define HYN_IRQ_TRIGGER_RISING_CONFIG	    	    0x01 // 0x01 enable rising trigger 
 #define HYN_MAIN_IIC_ADDR_CONFIG		    	    0x5A 
 
 #define HYN_X_DISPLAY_DEFAULT              	 	    600