rootdir/etc/init.carrier.rc

# Copyright (C) 2012 The Android Open Source Project
#
# IMPORTANT: Do not create world writable files or directories.
# This is a common source of Android security bugs.
#

on early-boot
    chown bluetooth net_bt_stack /dev/ttyHS0
    chmod 0660 /dev/ttyHS0

on boot

# MSP FactoryApp
    mkdir /efs/FactoryApp 0775 system system

# Audio NXP
    chmod 0660 /dev/i2c-1
    chown system system /dev/i2c-1

# NFC_NXP
    setprop ro.nfc.port "I2C"
    chmod 0600 /dev/pn547
    chown nfc nfc /dev/pn547

# permissions for bluetooth.
    setprop ro.bt.bdaddr_path "/efs/bluetooth/bt_addr"
    chown bluetooth net_bt_stack ro.bt.bdaddr_path
    chown radio net_bt_stack /efs/bluetooth/bt_addr
    chmod 0644 /efs/bluetooth/bt_addr
    chmod 0660 /sys/class/rfkill/rfkill0/state
    chown bluetooth net_bt_stack /sys/class/rfkill/rfkill0/state
    chown bluetooth net_bt_stack /sys/class/rfkill/rfkill0/type

# IPSec for VOLTE
    chown root system /dev/socket
    chmod 0775 /dev/socket

# IPSec for VOLTE
    service ipsec-daemon /system/bin/IPSecService
    class main
    socket ipsec_socket stream 660 system system
    user system
    group system net_raw inet net_admin

on fs

# Support Preload install apks
    mkdir /preload 0771 system system

# efs
    mkdir /efs/drm 0700 system system
    mkdir /efs/imei 0775 radio radio
    restorecon -R /efs

#For Absolute Persistence Partition

    mkdir /persdata 0755 system system
    mkdir /persdata/absolute 0750 system system

    wait /dev/block/bootdevice/by-name/persdata
    check_fs /dev/block/bootdevice/by-name/persdata ext4
    mount ext4 /dev/block/bootdevice/by-name/persdata /persdata/absolute nosuid nodev barrier=1

    chown system system /persdata
    chmod 0755 /persdata
    chown system system /persdata/absolute
    chmod 0750 /persdata/absolute

# Permissions for svc led
    chown system system /sys/class/sec/led/led_r
    chown system system /sys/class/sec/led/led_g
    chown system system /sys/class/sec/led/led_b
    chown system system /sys/class/sec/led/led_pattern
    chown system system /sys/class/sec/led/led_blink
    chown system system /sys/class/sec/led/led_lowpower

# permissons for uartsel & usbsel sysfs
    chmod 0660 /sys/class/sec/switch/uart_en
    chmod 0660 /sys/class/sec/switch/uart_sel
    chmod 0660 /sys/class/sec/switch/usb_sel
    chown system system /sys/class/sec/switch/uart_en
    chown system system /sys/class/sec/switch/uart_sel
    chown system system /sys/class/sec/switch/usb_sel

# fm_radio
    chmod 0640 /dev/radio0
    chown system system /dev/radio0

# Kickstart the Wireless subsystem
write /dev/wcnss_wlan 1
write /sys/module/wcnss_ssr_8960/parameters/enable_riva_ssr 1
service ftm_ptt /system/bin/ftm_ptt -d
    user root
    group radio system
    disabled

# umount service
service umount_service /system/bin/umount /preload
     disabled
     oneshot

# diag app for cp uart
service diag_uart_log /system/bin/diag_uart_log
    class main
    user root
    group radio

# Support Preload install apks
on property:persist.sys.storage_preload=1
    mount ext4 /dev/block/bootdevice/by-name/hidden /preload nosuid nodev ro barrier=1
    setprop storage.preload.complete 1

on property:persist.sys.storage_preload=0
    start umount_service