diff --git a/drivers/input/touchscreen/ilitek_v3_mmi/ilitek_v3_ic.c b/drivers/input/touchscreen/ilitek_v3_mmi/ilitek_v3_ic.c
index 2d46d81832c6..837f33ac8e8b 100644
--- a/drivers/input/touchscreen/ilitek_v3_mmi/ilitek_v3_ic.c
+++ b/drivers/input/touchscreen/ilitek_v3_mmi/ilitek_v3_ic.c
@@ -400,7 +400,7 @@ out:
 	return ret;
 }
 
-int ili_tddi_ic_sram_test()
+int ili_tddi_ic_sram_test(void)
 {
 	int ret = 0;