Samsung NC110 + Lubuntu 15.04 + backlight?

Discussions about Linux installation and configuration on Samsung laptops
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sokol07
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Joined: 03/11/2015, 17:00

Samsung NC110 + Lubuntu 15.04 + backlight?

Post by sokol07 » 03/11/2015, 17:08

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
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Posts: 2
Joined: 03/11/2015, 17:00

Re: Samsung NC110 + Lubuntu 15.04 + backlight?

Post by sokol07 » 03/11/2015, 20:48

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
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Joined: 19/07/2017, 21:27

Re: Samsung NC110 + Lubuntu 15.04 + backlight?

Post by agropepp » 19/07/2017, 21:29

como descargo

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