Mark the unknown button type as explicit fallthrough
@@ -200,6 +200,7 @@ static int ratbagd_button_get_special(sd_bus *bus,
switch(special) {
default:
log_error("Unknown special type %d\n", special);
+ /* fallthrough */
case RATBAG_BUTTON_ACTION_SPECIAL_UNKNOWN:
type = "unknown";
break;
