case $1 in
     suspend|suspend_hybrid|hibernate)
        echo suspend > /sys/bus/usb/devices/${BUS}-${DEVICE}/power/level
        ;;
     resume|thaw)                                                                                                                                                                      
        # No need to do anything here, kernel unsuspends USB devices                                                                                                                   
        :                                                                                                                                                                              
        ;;                                                                                                                                                                             
esac