Samsung NC110 + Lubuntu 15.04 + backlight?

[sokol07]

Hi everyone,
I've just bought Samsung NC110 and I wanted to install Lubuntu 15.04 on it.
The only problem is that there is no way I can control brightness of the screen - only turn it on or off with fn+f5 (I installed samsung-tools). Other fn+f... combinations also work, same as fn+left/right for sound control.
Is there any method to force linux to control screen brightness with fn+up/down?
I know that this question was asked often in the internet, but I didn't find answer. Of course, I found articles showing solution for older kernels (acpi_backlight=vendor) but this method seems not to work.
Do you have any suggestions?
Looking forward for your answer.

[sokol07]

Sory for two posts one after one, but I found a way to solve the problem and I couldn't find the "edit" button...
At the moment I have done this things:

• I've updated to Lubuntu 15.10 (however, probably this will work also on older ones AND probably on all Ubuntu-based distros)
• In /etc/default/grub I have:

  Code: Select all

  GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_backlight=vendor"

• I've created a file in /usr/share/X11/xorg.conf.d/20-intel.conf containing this code:

  Code: Select all

  Section "Device"
  Identifier "card0"
  Driver "intel"
  Option "Backlight" "intel_backlight"
  BusID "PCI:0:2:0"
  EndSection
  

With this configuration everything works (fn+up/down for regulating brightness).
I'll sum up once more: my hardware is Samsung NP-NC110-HZ1 with Linux Lubuntu 15.10 without any dualboot.
I hope this will help in future

[agropepp]

como descargo