on boot
    mkdir /dev/usb-ffs 0770 shell shell
    mkdir /dev/usb-ffs/adb 0770 shell shell
    mount configfs none /config
    mkdir /config/usb_gadget/g1 0770 shell shell
    write /config/usb_gadget/g1/idVendor 0x18d1
    write /config/usb_gadget/g1/bcdDevice 0x0223
    write /config/usb_gadget/g1/bcdUSB 0x0200
    mkdir /config/usb_gadget/g1/strings/0x409 0770
    write /config/usb_gadget/g1/strings/0x409/serialnumber ${ro.serialno}
    write /config/usb_gadget/g1/strings/0x409/manufacturer amlogic
    write /config/usb_gadget/g1/strings/0x409/product t962e_r321
    mkdir /config/usb_gadget/g1/functions/ffs.adb
    mkdir /config/usb_gadget/g1/functions/mtp.gs0
    mkdir /config/usb_gadget/g1/configs/b.1 0770 shell shell
    mkdir /config/usb_gadget/g1/configs/b.1/strings/0x409 0770 shell shell
    write /config/usb_gadget/g1/configs/b.1/MaxPower 500
    symlink /config/usb_gadget/g1/configs/b.1 /config/usb_gadget/g1/os_desc/b.1
    mount functionfs adb /dev/usb-ffs/adb uid=2000,gid=2000
    setprop sys.usb.configfs 1
    setprop sys.usb.controller "ff400000.dwc2_a"

on property:sys.usb.config=none && property:sys.usb.configfs=1
    setprop sys.usb.ffs.ready 0

on property:init.svc.adbd=stopped
    setprop sys.usb.ffs.ready 0

on property:sys.usb.config=mtp && property:sys.usb.configfs=1
    write /config/usb_gadget/g1/idProduct 0x4e41

on property:sys.usb.config=mtp,adb && property:sys.usb.configfs=1
    write /config/usb_gadget/g1/idProduct 0x4e12

on property:sys.usb.config=adb && property:sys.usb.configfs=1
    write /config/usb_gadget/g1/idProduct 0x4e40