SUBSYSTEM=="firmware", ACTION=="add", RUN+="firmware.sh"
# libusb device nodes
-SUBSYSTEM=="usb", ACTION=="add", ENV{DEVTYPE}=="usb_device", NAME="bus/usb/$env{BUSNUM}/$env{DEVNUM}", MODE="0644"
+SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", NAME="bus/usb/$env{BUSNUM}/$env{DEVNUM}", MODE="0644"
# printer
KERNEL=="parport[0-9]*", GROUP="lp"