@alphastigma
you can try to insert this in sys.txt
Spoiler: sys
[power]
backlight_manage_values = 1
backlight_manage_keys = 1
backlight_max = 8
backlight_min = 1
backlight_reverse = 0
backlight_key_timeout_BA = "BatteryTimeout"
backlight_key_timeout_AC = "ACTimeout"
backlight_key_ontap_BA = "BacklightOnTap"
backlight_key_ontap_AC = "ACBacklightOnTap"
backlight_key_on_BA = "OnOff"
backlight_key_on_AC = "ExtOnOff"
backlight_methods = 39
backlight_events = 1
battery_warning_limit=20
battery_warning_repetition=1
skip_resume_process=1
skip_suspend_process=1
powermgm_state="0"
backlight_day="100"
backlight_night="100"