on early-boot
    mkdir /config/usb_gadget/g1
    mkdir /config/usb_gadget/g1/strings/0x409
    mkdir /config/usb_gadget/g1/configs/b.1
    write /config/usb_gadget/g1/idVendor 0x18d1
    write /config/usb_gadget/g1/strings/0x409/serialnumber ${ro.serialno}
    write /config/usb_gadget/g1/strings/0x409/manufacturer ${ro.product.manufacturer}
    write /config/usb_gadget/g1/strings/0x409/product ${ro.product.model}
    write /config/usb_gadget/g1/configs/b.1/MaxPower 0x384
    write /config/usb_gadget/g1/os_desc/b_vendor_code 0x1
    write /config/usb_gadget/g1/os_desc/qw_sign "MSFT100"

    # ffs function
    mkdir /config/usb_gadget/g1/functions/ffs.adb 0770 shell shell
    mkdir /config/usb_gadget/g1/functions/ffs.mtp
    mkdir /config/usb_gadget/g1/functions/ffs.ptp
    mkdir /dev/usb-ffs 0775 shell shell
    mkdir /dev/usb-ffs/adb 0770 shell shell
    mkdir /dev/usb-ffs/mtp 0770 mtp mtp
    mkdir /dev/usb-ffs/ptp 0770 mtp mtp
    mount functionfs adb /dev/usb-ffs/adb rmode=0770,fmode=0660,uid=2000,gid=2000,no_disconnect=1
    mount functionfs mtp /dev/usb-ffs/mtp rmode=0770,fmode=0660,uid=1024,gid=1024,no_disconnect=1
    mount functionfs ptp /dev/usb-ffs/ptp rmode=0770,fmode=0660,uid=1024,gid=1024,no_disconnect=1
    setprop sys.usb.mtp.device_type 3
    setprop sys.usb.mtp.batchcancel true
    symlink /config/usb_gadget/g1/configs/b.1 /config/usb_gadget/g1/os_desc/b.1

    # mtp function
    mkdir /config/usb_gadget/g1/functions/mtp.gs0

    # ptp function
    mkdir /config/usb_gadget/g1/functions/ptp.gs1

    # accessory function
    mkdir /config/usb_gadget/g1/functions/accessory.gs2

    # audio_source function
    mkdir /config/usb_gadget/g1/functions/audio_source.gs3

    # rndis function
    mkdir /config/usb_gadget/g1/functions/rndis.gs4
    # Modify class/subclass/protocol for rndis.gs4
    # Remote NDIS: Class: Wireless Controller (0xe0), Subclass: 0x1, Protocol: 0x3
    write /config/usb_gadget/g1/functions/rndis.gs4/class e0
    write /config/usb_gadget/g1/functions/rndis.gs4/subclass 01
    write /config/usb_gadget/g1/functions/rndis.gs4/protocol 03
    write /config/usb_gadget/g1/functions/rndis.gs4/os_desc/interface.ncm/compatible_id RNDIS
    write /config/usb_gadget/g1/functions/rndis.gs4/ifname rndis%d
    setprop vendor.usb.rndis.config rndis.gs4

    # midi function
    mkdir /config/usb_gadget/g1/functions/midi.gs5

    # acm function
    mkdir /config/usb_gadget/g1/functions/acm.gs6

    # dm function
    mkdir /config/usb_gadget/g1/functions/dm.gs7

    # uts function
    mkdir /config/usb_gadget/g1/functions/uts.gs8

    # ncm function
    mkdir /config/usb_gadget/g1/functions/ncm.gs9
    write /config/usb_gadget/g1/functions/ncm.gs9/os_desc/interface.ncm/compatible_id WINNCM
    write /config/usb_gadget/g1/functions/ncm.gs9/ifname ncm%d

    # chown file/folder permission
    chown system system /config/usb_gadget/
    chown system system /config/usb_gadget/g1
    chown system system /config/usb_gadget/g1/UDC
    chown system system /config/usb_gadget/g1/bDeviceClass
    chown system system /config/usb_gadget/g1/bDeviceProtocol
    chown system system /config/usb_gadget/g1/bDeviceSubClass
    chown system system /config/usb_gadget/g1/bMaxPacketSize0
    chown system system /config/usb_gadget/g1/bcdDevice
    chown system system /config/usb_gadget/g1/bcdUSB
    chown system system /config/usb_gadget/g1/configs
    chown system system /config/usb_gadget/g1/configs/b.1
    chown system system /config/usb_gadget/g1/configs/b.1/MaxPower
    chown system system /config/usb_gadget/g1/configs/b.1/bmAttributes
    chown system system /config/usb_gadget/g1/configs/b.1/strings
    chown system system /config/usb_gadget/g1/functions
    chown system system /config/usb_gadget/g1/functions/accessory.gs2
    chown system system /config/usb_gadget/g1/functions/acm.gs6
    chown system system /config/usb_gadget/g1/functions/acm.gs6/port_num
    chown system system /config/usb_gadget/g1/functions/audio_source.gs3
    chown system system /config/usb_gadget/g1/functions/dm.gs7
    chown system system /config/usb_gadget/g1/functions/ffs.adb
    chown system system /config/usb_gadget/g1/functions/ffs.mtp
    chown system system /config/usb_gadget/g1/functions/ffs.ptp
    chown system system /config/usb_gadget/g1/functions/midi.gs5
    chown system system /config/usb_gadget/g1/functions/midi.gs5/buflen
    chown system system /config/usb_gadget/g1/functions/midi.gs5/id
    chown system system /config/usb_gadget/g1/functions/midi.gs5/in_ports
    chown system system /config/usb_gadget/g1/functions/midi.gs5/index
    chown system system /config/usb_gadget/g1/functions/midi.gs5/out_ports
    chown system system /config/usb_gadget/g1/functions/midi.gs5/qlen
    chown system system /config/usb_gadget/g1/functions/mtp.gs0
    chown system system /config/usb_gadget/g1/functions/mtp.gs0/os_desc
    chown system system /config/usb_gadget/g1/functions/mtp.gs0/os_desc/interface.MTP
    chown system system /config/usb_gadget/g1/functions/mtp.gs0/os_desc/interface.MTP/compatible_id
    chown system system /config/usb_gadget/g1/functions/mtp.gs0/os_desc/interface.MTP/sub_compatible_id
    chown system system /config/usb_gadget/g1/functions/ncm.gs9
    chown system system /config/usb_gadget/g1/functions/ncm.gs9/dev_addr
    chown system system /config/usb_gadget/g1/functions/ncm.gs9/host_addr
    chown system system /config/usb_gadget/g1/functions/ncm.gs9/ifname
    chown system system /config/usb_gadget/g1/functions/ncm.gs9/os_desc
    chown system system /config/usb_gadget/g1/functions/ncm.gs9/os_desc/interface.ncm
    chown system system /config/usb_gadget/g1/functions/ncm.gs9/os_desc/interface.ncm/compatible_id
    chown system system /config/usb_gadget/g1/functions/ncm.gs9/os_desc/interface.ncm/sub_compatible_id
    chown system system /config/usb_gadget/g1/functions/ncm.gs9/qmult
    chown system system /config/usb_gadget/g1/functions/ptp.gs1
    chown system system /config/usb_gadget/g1/functions/ptp.gs1/os_desc
    chown system system /config/usb_gadget/g1/functions/ptp.gs1/os_desc/interface.MTP
    chown system system /config/usb_gadget/g1/functions/ptp.gs1/os_desc/interface.MTP/compatible_id
    chown system system /config/usb_gadget/g1/functions/ptp.gs1/os_desc/interface.MTP/sub_compatible_id
    chown system system /config/usb_gadget/g1/functions/rndis.gs4
    chown system system /config/usb_gadget/g1/functions/rndis.gs4/class
    chown system system /config/usb_gadget/g1/functions/rndis.gs4/dev_addr
    chown system system /config/usb_gadget/g1/functions/rndis.gs4/host_addr
    chown system system /config/usb_gadget/g1/functions/rndis.gs4/ifname
    chown system system /config/usb_gadget/g1/functions/rndis.gs4/os_desc
    chown system system /config/usb_gadget/g1/functions/rndis.gs4/os_desc/interface.rndis
    chown system system /config/usb_gadget/g1/functions/rndis.gs4/os_desc/interface.rndis/compatible_id
    chown system system /config/usb_gadget/g1/functions/rndis.gs4/os_desc/interface.rndis/sub_compatible_id
    chown system system /config/usb_gadget/g1/functions/rndis.gs4/protocol
    chown system system /config/usb_gadget/g1/functions/rndis.gs4/qmult
    chown system system /config/usb_gadget/g1/functions/rndis.gs4/subclass
    chown system system /config/usb_gadget/g1/idProduct
    chown system system /config/usb_gadget/g1/idVendor
    chown system system /config/usb_gadget/g1/max_speed
    chown system system /config/usb_gadget/g1/os_desc
    chown system system /config/usb_gadget/g1/os_desc/b.1
    chown system system /config/usb_gadget/g1/os_desc/b_vendor_code
    chown system system /config/usb_gadget/g1/os_desc/qw_sign
    chown system system /config/usb_gadget/g1/os_desc/use
    chown system system /config/usb_gadget/g1/strings
    chown system system /config/usb_gadget/g1/strings/0x409
    chown system system /config/usb_gadget/g1/strings/0x409/manufacturer
    chown system system /config/usb_gadget/g1/strings/0x409/product
    chown system system /config/usb_gadget/g1/strings/0x409/serialnumber
    setprop vendor.usb.functions.ready 1

on boot
    write /config/usb_gadget/g1/bcdDevice 0x0414
    # Use USB Gadget HAL
    setprop sys.usb.configfs 2

on property:sys.usb.ffs.ready=1 && property:sys.usb.config=adb && property:sys.usb.configfs=1
    write /config/usb_gadget/g1/idProduct 0x4EE7
    write /config/usb_gadget/g1/idVendor 0x18D1