on early-init
    write /sys/module/musb_hdrc/parameters/kernel_init_done 1

on boot
    setprop sys.usb.config mtp,adb

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

on init
    mkdir /sideload
    mkdir /config
    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/bcdDevice 0x0223
    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 "Samsung"
    write /config/usb_gadget/g1/strings/0x409/product "Samsung Galaxy A31"
    mkdir /config/usb_gadget/g1/functions/mass_storage.0
    mkdir /config/usb_gadget/g1/functions/ffs.adb
    mkdir /config/usb_gadget/g1/functions/ffs.fastboot
    mkdir /config/usb_gadget/g1/functions/ffs.mtp
    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

    mkdir /dev/usb-ffs 0775 shell shell
    mkdir /dev/usb-ffs/adb 0770 shell shell
    mount functionfs adb /dev/usb-ffs/adb uid=2000,gid=2000
    mkdir /dev/usb-ffs/fastboot 0770 system system
    mount functionfs fastboot /dev/usb-ffs/fastboot rmode=0770,fmode=0660,uid=1000,gid=1000
    mkdir /dev/usb-ffs/mtp 0770 shell system
    mount functionfs mtp /dev/usb-ffs/mtp uid=1024,gid=1024,rmode=0770,fmode=0660,no_disconnect=1
    write /sys/class/android_usb/android0/f_ffs/aliases adb,fastboot
    setprop sys.usb.configfs 1

on property:sys.usb.config=none
    write /config/usb_gadget/g1/UDC "none"
    stop adbd
    stop fastbootd
    setprop sys.usb.ffs.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
    setprop sys.usb.state ${sys.usb.config}

on property:sys.usb.config=adb
    stop fastbootd
    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 0x04E8
    write /config/usb_gadget/g1/idProduct 0x6860
    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,adb
    stop fastbootd
    start adbd

on property:sys.usb.config=mtp && property:sys.usb.configfs=1
    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 0x04E8
    write /config/usb_gadget/g1/idProduct 0x6860
    symlink /config/usb_gadget/g1/functions/ffs.mtp /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.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 0x04E8
    write /config/usb_gadget/g1/idProduct 0x6860
    symlink /config/usb_gadget/g1/functions/ffs.mtp /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:sys.usb.config=sideload
    stop adbd
    stop fastbootd
    setprop sys.usb.configfs 2

on property:sys.usb.ffs.ready=1 && property:sys.usb.config=sideload
    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 0x04E8
    write /config/usb_gadget/g1/idProduct 0x6860
    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=fastboot
    stop adbd
    start fastbootd
    setprop sys.usb.configfs 2

on property:sys.usb.ffs.ready=1 && property:sys.usb.config=fastboot
    write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "fastboot"
    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 0x04E8
    write /config/usb_gadget/g1/idProduct 0x6860
    symlink /config/usb_gadget/g1/functions/ffs.fastboot /config/usb_gadget/g1/configs/b.1/f1
    write /config/usb_gadget/g1/UDC ${sys.usb.controller}
    setprop sys.usb.state ${sys.usb.config}