diff --git a/drivers/extcon/extcon-sm5502.c b/drivers/extcon/extcon-sm5502.c
index b3d93ba..bcf65aa 100644
--- a/drivers/extcon/extcon-sm5502.c
+++ b/drivers/extcon/extcon-sm5502.c
@@ -276,7 +276,7 @@ static int sm5502_muic_set_path(struct sm5502_muic_info *info,
 /* Return cable type of attached or detached accessories */
 static unsigned int sm5502_muic_get_cable_type(struct sm5502_muic_info *info)
 {
-	unsigned int cable_type = -1, adc, dev_type1;
+	unsigned int cable_type, adc, dev_type1;
 	int ret;
 
 	/* Read ADC value according to external cable or button */