Light keyboard macbook pro not working

- Macbook pro 2019 keyboard light not working
- Macbook pro 2016 keyboard light not working
- Macbook pro 2011 keyboard light not working
- Macbook pro touch bar keyboard light not working
- Macbook pro 2015 keyboard light not working
- Macbook pro 2012 keyboard light not working
- Macbook pro 2018 keyboard light not working
- Macbook pro 2017 keyboard light not working
- Macbook pro 13 keyboard light not working
- Macbook pro 2020 keyboard light not working