[ [ "case", "ACTION", { "add": [ [ "if", [ "has", "FIRMWARE" ], [ [ "exec", "/sbin/hotplug-call", "%SUBSYSTEM%" ], [ "load-firmware", "/lib/firmware" ], [ "return" ] ] ], ], }, ], [ "if", [ "and", [ "eq", "SUBSYSTEM", "button" ], ], [ "exec", "/etc/rc.button/failsafe" ] ], ]
