on init
    mkdir /config
    mount configfs none /config
    mkdir /config/usb_gadget/g1 0770 shell shell
    write /config/usb_gadget/g1/idVendor 0x18d1
    write /config/usb_gadget/g1/idProduct 0xd001
    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 ${ro.product.manufacturer}
    write /config/usb_gadget/g1/strings/0x409/product ${ro.product.model}
    mkdir /config/usb_gadget/g1/configs/b.1 0777 shell shell
    mkdir /config/usb_gadget/g1/configs/b.1/strings/0x409 0770 shell shell
    mkdir /config/usb_gadget/g1/functions/ffs.adb
    setprop sys.usb.ffs.aio_compat 1

on property:ro.debuggable=0
    # distinguish USB shoulde connect or not, i.e. CDP vs SDP
    write /sys/class/udc/musb-hdrc/device/cmode 2
    # set charging free due to it wait for USB activation
    start adbd

on property:sys.usb.ffs.ready=1
    write /config/usb_gadget/g1/UDC "none"
    rm /config/usb_gadget/g1/configs/b.1/f1
    rm /config/usb_gadget/g1/configs/b.1/f2
    write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "adb"
    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 "musb-hdrc"

on post-fs
    # Support A/B feature for emmc boot region
    symlink /dev/block/sda /dev/block/mmcblk0boot0
    symlink /dev/block/sdb /dev/block/mmcblk0boot1
    symlink /dev/block/mmcblk0boot0 /dev/block/platform/bootdevice/by-name/preloader_a
    symlink /dev/block/mmcblk0boot1 /dev/block/platform/bootdevice/by-name/preloader_b