on init
    write /sys/class/android_usb/android0/f_midi/vendorID 18D1

on boot
    write /sys/class/android_usb/android0/iSerial ${ro.serialno}
    mkdir /dev/usb-ffs 0770 shell shell
    mkdir /dev/usb-ffs/adb 0770 shell shell
    write /sys/class/android_usb/android0/idVendor 18D1
    write /sys/class/android_usb/android0/idProduct D001
    mount configfs none /config
    mkdir /config/usb_gadget/g1 0770 shell shell
    mkdir /config/usb_gadget/g1/strings/0x409 0770 shell shell
    write /config/usb_gadget/g1/bcdUSB 0x0200
    write /config/usb_gadget/g1/os_desc/use 1
    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}
    mkdir /config/usb_gadget/g1/functions/mass_storage.0
    mkdir /config/usb_gadget/g1/functions/mtp.gs0
    mkdir /config/usb_gadget/g1/functions/ptp.gs1
    mkdir /config/usb_gadget/g1/functions/accessory.gs2
    mkdir /config/usb_gadget/g1/functions/audio_source.gs3
    mkdir /config/usb_gadget/g1/functions/midi.gs5
    mkdir /config/usb_gadget/g1/functions/ffs.adb
    mkdir /config/usb_gadget/g1/functions/diag.diag
    mkdir /config/usb_gadget/g1/functions/diag.diag_mdm
    mkdir /config/usb_gadget/g1/functions/cser.dun.0
    mkdir /config/usb_gadget/g1/functions/cser.nmea.1
    mkdir /config/usb_gadget/g1/functions/cser.dun.2
    mkdir /config/usb_gadget/g1/functions/gsi.rmnet
    mkdir /config/usb_gadget/g1/functions/gsi.rndis
    mkdir /config/usb_gadget/g1/functions/gsi.dpl
    mkdir /config/usb_gadget/g1/functions/qdss.qdss
    mkdir /config/usb_gadget/g1/functions/qdss.qdss_mdm
    mkdir /config/usb_gadget/g1/functions/rndis_bam.rndis
    mkdir /config/usb_gadget/g1/functions/rmnet_bam.rmnet
    mkdir /config/usb_gadget/g1/functions/rmnet_bam.dpl
    mkdir /config/usb_gadget/g1/functions/ncm.0
    mkdir /config/usb_gadget/g1/functions/ccid.ccid
    mkdir /config/usb_gadget/g1/functions/uac2.0
    mkdir /config/usb_gadget/g1/functions/uvc.0
    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/os_desc/b_vendor_code 0x1
    write /config/usb_gadget/g1/os_desc/qw_sign "MSFT100"
    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
    write /sys/class/android_usb/android0/f_ffs/aliases adb

on property:sys.usb.config=none
    write /config/usb_gadget/g1/UDC "none"
    stop adbd
    setprop sys.usb.ffs.ready 0
    setprop sys.usb.ffs.mtp.ready 0
    write /config/usb_gadget/g1/bDeviceClass 0
    write /config/usb_gadget/g1/bDeviceSubClass 0
    write /config/usb_gadget/g1/bDeviceProtocol 0
    rm /config/usb_gadget/g1/configs/b.1/f1
    rm /config/usb_gadget/g1/configs/b.1/f2
    rm /config/usb_gadget/g1/configs/b.1/f3
    rm /config/usb_gadget/g1/configs/b.1/f4
    rm /config/usb_gadget/g1/configs/b.1/f5
    rmdir /config/usb_gadget/g1/functions/rndis.gs4
    setprop sys.usb.state ${sys.usb.config}

on property:sys.usb.config=adb
    start adbd

on property:sys.usb.ffs.ready=1 && property:sys.usb.config=adb
    write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "adb"
    rm /config/usb_gadget/g1/configs/b.1/f1
    rm /config/usb_gadget/g1/configs/b.1/f2
    rm /config/usb_gadget/g1/configs/b.1/f3
    rm /config/usb_gadget/g1/configs/b.1/f4
    rm /config/usb_gadget/g1/configs/b.1/f5
    write /config/usb_gadget/g1/idVendor 0x18d1
    write /config/usb_gadget/g1/idProduct 0xd001
    symlink /config/usb_gadget/g1/functions/ffs.adb /config/usb_gadget/g1/configs/b.1/f1
    write /config/usb_gadget/g1/UDC ${sys.usb.controller}
    setprop sys.usb.state ${sys.usb.config}

on property:sys.usb.config=mtp
    write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "mtp"
    rm /config/usb_gadget/g1/configs/b.1/f1
    rm /config/usb_gadget/g1/configs/b.1/f2
    rm /config/usb_gadget/g1/configs/b.1/f3
    rm /config/usb_gadget/g1/configs/b.1/f4
    rm /config/usb_gadget/g1/configs/b.1/f5
    write /config/usb_gadget/g1/idVendor 0x18d1
    write /config/usb_gadget/g1/idProduct 0xd001
    symlink /config/usb_gadget/g1/functions/mtp.gs0 /config/usb_gadget/g1/configs/b.1/f1
    write /config/usb_gadget/g1/UDC ${sys.usb.controller}
    setprop sys.usb.state ${sys.usb.config}

on property:sys.usb.config=mtp,adb
    start adbd

on property:sys.usb.ffs.ready=1 && property:sys.usb.config=mtp,adb
    write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "mtp_adb"
    rm /config/usb_gadget/g1/configs/b.1/f1
    rm /config/usb_gadget/g1/configs/b.1/f2
    rm /config/usb_gadget/g1/configs/b.1/f3
    rm /config/usb_gadget/g1/configs/b.1/f4
    rm /config/usb_gadget/g1/configs/b.1/f5
    write /config/usb_gadget/g1/idVendor 0x18d1
    write /config/usb_gadget/g1/idProduct 0xd001
    symlink /config/usb_gadget/g1/functions/mtp.gs0 /config/usb_gadget/g1/configs/b.1/f1
    symlink /config/usb_gadget/g1/functions/ffs.adb /config/usb_gadget/g1/configs/b.1/f2
    write /config/usb_gadget/g1/UDC ${sys.usb.controller}
    setprop sys.usb.state ${sys.usb.config}

on property:ro.boot.usbcontroller=*
setprop sys.usb.controller ${ro.boot.usbcontroller}