show discount bar only parent product buy x get y

Show discount bar only for parent products in buy X get Y.

add_filter('advanced_woo_discount_rules_is_buy_x_get_y_discount_filter_passed', function ($filter_passed, $rule, $product, $get_y_type, $get_y_ranges){
   $current_product_id = $product->get_id();
    foreach ($get_y_ranges as $get_y_range){
        if (isset($get_y_range->products)) {
            foreach ($get_y_range->products as $product) {
                if ($current_product_id == $product) return false;
            }
        }
    }
    return $filter_passed;
},10,6);