on boot
    wait /sys/class/leds/vibrator/device

    mkdir /mnt/vendor/persist/haptics 0770 system system
    chmod 770 /mnt/vendor/persist/haptics
    chmod 440 /mnt/vendor/persist/haptics/drv2624.cal
    chown system system /mnt/vendor/persist/haptics
    chown system system /mnt/vendor/persist/haptics/drv2624.cal

    write /sys/class/leds/vibrator/trigger transient
    chown system system /sys/class/leds/vibrator/activate
    chown system system /sys/class/leds/vibrator/brightness
    chown system system /sys/class/leds/vibrator/duration
    chown system system /sys/class/leds/vibrator/state

    chown system system /sys/class/leds/vibrator/device/autocal
    chown system system /sys/class/leds/vibrator/device/autocal_result
    chown system system /sys/class/leds/vibrator/device/ctrl_loop
    chown system system /sys/class/leds/vibrator/device/lp_trigger_effect
    chown system system /sys/class/leds/vibrator/device/lp_trigger_scale
    chown system system /sys/class/leds/vibrator/device/lra_wave_shape
    chown system system /sys/class/leds/vibrator/device/mode
    chown system system /sys/class/leds/vibrator/device/od_clamp
    chown system system /sys/class/leds/vibrator/device/ol_lra_period
    chown system system /sys/class/leds/vibrator/device/rtp_input
    chown system system /sys/class/leds/vibrator/device/scale
    chown system system /sys/class/leds/vibrator/device/set_sequencer

    enable vendor.vibrator.drv2624