const char *led_name;
 };
 
-static struct winwing_led_info led_info[3] = {
+static const struct winwing_led_info led_info[3] = {
        { 0, 255, "backlight" },
        { 1, 1, "a-a" },
        { 2, 1, "a-g" },
                return -ENOMEM;
 
        for (i = 0; i < 3; i += 1) {
-               struct winwing_led_info *info = &led_info[i];
+               const struct winwing_led_info *info = &led_info[i];
 
                led = &data->leds[i];
                led->hdev = hdev;
        return ret;
 }
 
-static __u8 original_rdesc_buttons[] = {
+static const __u8 original_rdesc_buttons[] = {
        0x05, 0x09, 0x19, 0x01, 0x29, 0x6F,
        0x15, 0x00, 0x25, 0x01, 0x35, 0x00,
        0x45, 0x01, 0x75, 0x01, 0x95, 0x6F,