on fs
    setprop sys.usb.config none

    chown system system /sys/class/android_usb/android0/usb30en
    chmod 0660 /sys/class/android_usb/android0/usb30en
    chown system system /sys/class/android_usb/android0/terminal_version
    chmod 0660 /sys/class/android_usb/android0/terminal_version

    mkdir /dev/usb-ffs 0770 shell shell
    mkdir /dev/usb-ffs/adb 0770 shell shell
    mount functionfs adb /dev/usb-ffs/adb uid=2000,gid=2000

    write /sys/module/g_android/parameters/mtp_tx_req_len 131072
    write /sys/module/g_android/parameters/mtp_rx_req_len 131072
    write /sys/class/android_usb/android0/f_ffs/aliases adb
    write /sys/class/android_usb/android0/f_rndis/wceis 1
    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/f_rndis/manufacturer ${ro.product.manufacturer}
    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

    # set up the usb mass storage lun
    write /sys/devices/msm_dwc3/f9200000.dwc3/gadget/lun0/cdrom 0
    write /sys/devices/msm_dwc3/f9200000.dwc3/gadget/lun0/nofua 0
    write /sys/devices/msm_dwc3/f9200000.dwc3/gadget/lun0/ro 0

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

on property:sys.usb.config=none
    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

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

on property:sys.usb.config=mass_storage,adb
    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

on property:sys.usb.config=adb
    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