Hi everybody. I'm a newbie with digging deeper into my device. I'm looking for a solution to control buttons backlight. Since P600 doesn't have led for notifications, I'm interested in using hardware buttons for this purpose. Especially I would like to have backlight while I'm connecting the device to the charger. I hate the screen lighten up (especially at night time) when I plug it in, so I disabled this feature, but it disabled hw buttons backlight as well. It happened to me few times that I plugged in the device and I thought it is charging, but I was wrong and I ended up with discharged tablet at the morning ? I have searched through the Internet and found some clues, but nothing worked for me. I tried some apps and even played with Tasker, but since I'm a beginner, I wasn't able to succeed... So I would appreciate any help 
My device operates on LineageOS 14.1 and is rooted by Magisk
My device operates on LineageOS 14.1 and is rooted by Magisk
It's all come down to locating proper "brightness" file which is responsible for lighten up capacitive buttons. In case of this device I found it in a different location than in most other devices. Then using Tasker (you need to be familiar with basic operations at least and you need to have root) I set some simple commands to trigger buttons backlight when I plug the device in (I attached a screenshot). I haven't tested other applications of this feature yet, but I belive it could be used in a similar way for other purposes as well.
