> Are you using the free driver or the AMD proprietary one?
On the laptop is only free driver supplied with kernel 3.19.
> If you press the brightness keys, do you get a notification bubble for that which shows the current value?
Yes, a notice displayed on the current value of the brightness of the screen.
The output (grep -r . /sys/class/backlight/*) is attached.
> Are you using the free driver or the AMD proprietary one?
On the laptop is only free driver supplied with kernel 3.19.
> If you press the brightness keys, do you get a notification bubble for that which shows the current value? backlight/ *) is attached.
Yes, a notice displayed on the current value of the brightness of the screen.
The output (grep -r . /sys/class/