on init
    chown system system /sys/class/android_usb/android0/terminal_version
    chmod 0660 /sys/class/android_usb/android0/terminal_version
    chown system system /sys/devices/13600000.usb/13600000.dwc3/gadget/lun0/file
    chmod 0660 /sys/devices/13600000.usb/13600000.dwc3/gadget/lun0/file

    write /sys/class/android_usb/android0/iSerial ${ro.serialno}
    write /sys/class/android_usb/android0/f_rndis/manufacturer Samsung
    write /sys/class/android_usb/android0/f_rndis/vendorID 04E8
    write /sys/class/android_usb/android0/f_rndis/wceis 1

    # set up the usb mass storage lun
    write /sys/devices/13600000.usb/13600000.dwc3/gadget/lun0/cdrom 0
    write /sys/devices/13600000.usb/13600000.dwc3/gadget/lun0/nofua 0
    write /sys/devices/13600000.usb/13600000.dwc3/gadget/lun0/ro 0

on boot
    setprop sys.usb.config none

    write /sys/class/android_usb/android0/iManufacturer ${ro.product.manufacturer}
    write /sys/class/android_usb/android0/iProduct ${ro.product.model}
    write /sys/class/android_usb/android0/iSerial ${ro.serialno}
    write /sys/class/android_usb/android0/bDeviceClass 0
    write /sys/class/android_usb/android0/bDeviceSubClass 0
    write /sys/class/android_usb/android0/bDeviceProtocol 0
    write /sys/class/android_usb/f_mass_storage/inquiry_string "Samsung"

    setprop sys.usb.config ${persist.sys.usb.config}

on property:sys.usb.config=none
    stop adbd
    write /sys/class/android_usb/android0/enable 0
    write /sys/class/android_usb/android0/idVendor 04E8
    write /sys/class/android_usb/android0/idProduct 685E
    write /sys/class/android_usb/android0/bDeviceClass 0
    setprop sys.usb.state ${sys.usb.config}

on property:sys.usb.config=adb
    stop adbd
    write /sys/class/android_usb/android0/enable 0
    write /sys/class/android_usb/android0/idVendor 04E8
    write /sys/class/android_usb/android0/idProduct 685E
    write /sys/class/android_usb/android0/functions ${sys.usb.config}
    write /sys/class/android_usb/android0/enable ${service.adb.root}
    start adbd
    setprop sys.usb.state ${sys.usb.config}

on property:sys.usb.config=mtp,adb
    stop adbd
    write /sys/class/android_usb/android0/enable 0
    write /sys/class/android_usb/android0/idVendor 04E8
    write /sys/class/android_usb/android0/idProduct 6860
    write /sys/class/android_usb/android0/functions ${sys.usb.config}
    write /sys/class/android_usb/android0/enable 1
    start adbd
    setprop sys.usb.state ${sys.usb.config}

on property:sys.usb.config=mass_storage,adb
    stop adbd
    write /sys/class/android_usb/android0/enable 0
    write /sys/class/android_usb/android0/idVendor 04E8
    write /sys/class/android_usb/android0/idProduct 685E
    write /sys/class/android_usb/android0/functions ${sys.usb.config}
    write /sys/class/android_usb/android0/enable 1
    start adbd
    setprop sys.usb.state ${sys.usb.config}