on boot
    insmod /system/vendor/modules/rtl_btlpm.ko

    # change back to bluetooth from system
    chown bluetooth net_bt_admin /data/misc/bluetooth
    mkdir /data/misc/bluedroid 0770 bluetooth net_bt_admin

    # bluetooth LPM
    chown bluetooth net_bt_admin /proc/bluetooth/sleep/lpm
    chown bluetooth net_bt_admin /proc/bluetooth/sleep/btwrite
    chmod 0660 /proc/bluetooth/sleep/lpm

    # rfkill
    chmod 0660 /sys/class/rfkill/rfkill0/state
    chmod 0660 /sys/class/rfkill/rfkill0/type
    chown bluetooth net_bt_admin /sys/class/rfkill/rfkill0/state
    chown bluetooth net_bt_admin /sys/class/rfkill/rfkill0/type
    write /sys/class/rfkill/rfkill0/state 0

    # bluetooth MAC address programming
    chown bluetooth net_bt_admin ro.bt.bdaddr_path
    chown bluetooth net_bt_admin /system/etc/bluetooth
    chown bluetooth net_bt_admin /data/misc/bluetooth
    setprop ro.bt.bdaddr_path "/data/misc/bluetooth/bdaddr"


    # to observe dnsmasq.leases file for dhcp information of soft ap.
    chown dhcp system /data/misc/dhcp

# 1. realtek & eagle wifi service
service wpa_supplicant /system/vendor/bin/hw/wpa_supplicant \
    -ip2p0 -Dnl80211 -c/data/misc/wifi/p2p_supplicant.conf \
    -I/vendor/etc/wifi/p2p_supplicant_overlay.conf \
    -e/data/misc/wifi/entropy.bin -N \
    -iwlan0 -Dnl80211 -c/data/misc/wifi/wpa_supplicant.conf \
    -I/vendor/etc/wifi/wpa_supplicant_overlay.conf \
    -O/data/misc/wifi/sockets \
    -g@android:wpa_wlan0
    socket wpa_wlan0 dgram 660 wifi wifi
    class main
    disabled
    oneshot

on property:sys.boot_completed=1
    setprop persist.bluetooth.rtkcoex true
on property:sys.boot_completed=0
    setprop persist.bluetooth.rtkcoex false