diff --git a/drivers/input/touchscreen/mediatek/tp_common.c b/drivers/input/touchscreen/mediatek/tp_common.c
index 7083d3789160..6baf505fe966 100644
--- a/drivers/input/touchscreen/mediatek/tp_common.c
+++ b/drivers/input/touchscreen/mediatek/tp_common.c
@@ -5,7 +5,7 @@ struct kobject *touchpanel_kobj;
 	int tp_common_set_##type##_ops(struct tp_common_ops *ops)              \
 	{                                                                      \
 		static struct kobj_attribute kattr =                           \
-			__ATTR(type, (S_IWUSR | S_IRUGO), NULL, NULL);         \
+			__ATTR(type, (S_IWUSR | S_IWGRP | S_IRUSR | S_IRGRP), NULL, NULL);         \
 		kattr.show = ops->show;                                        \
 		kattr.store = ops->store;                                      \
 		return sysfs_create_file(touchpanel_kobj, &kattr.attr);        \
@@ -20,4 +20,4 @@ static int __init tp_common_init(void)
 		return -ENOMEM;
 	return 0;
 }
-core_initcall(tp_common_init);
\ No newline at end of file
+core_initcall(tp_common_init);