I don't have a toggle for automatic brightness in my phone's settings menu and I cannot install apps like Lux Auto Brightness that depend on the light sensor. I can, however, turn automatic brightness on using Widgetsoid and it works fine. Why do all the apps think I don't have a light sensor and how can I fix this?
Since I have installed Cyanogenmod, I can now install Lux. However it always sees a brightness of -1 Lux.
I also had this problem with Lux, always light reported -1, which I don't know it's a problem either from phone, sensor, Android, or Lux itself! BTW, I solved it by using front camera instead of light sensor. here is how: