I own an dell xps 15. I guess the following is because I have hybrid graphics system (nvidia optimus).
When I run command to find out lcd brightness path using following command,
I receive the following output
Now if I echo a value say
5 to either of them, LCD brightness changes. Only thing is
intel_backlight path brightness is very low compared to
Is it normal? I want to know what is the difference (if any) and whether for this two different paths gnome fails to save my brightness settings on reboot.