Search found 4 matches
- 11 Nov 2012, 14:54
- Forum: Linux On My Samsung
- Topic: Unable to change brightness after kernel upgrade: Sams. R540
- Replies: 1
- Views: 3237
Re: Unable to change brightness after upgrade: Samsung R540
I've found out that I can change the brightness by echoing to /sys/class/backlight/samsung/brightness So there is no problem with the kernel, but probably mate? When I use the function keys to change the brightness, it displays the slider, but it doesn't move. Something with permissions maybe? Anywa...
- 11 Nov 2012, 14:31
- Forum: Linux On My Samsung
- Topic: Unable to change brightness after kernel upgrade: Sams. R540
- Replies: 1
- Views: 3237
Unable to change brightness after kernel upgrade: Sams. R540
After my last update, I'm unable to change the backlight. I've previously installed samsung-tools 2.16 from the AUR and added acpi_osi=Linux acpi_backlight=vendor to /etc/default/grub. I am using the kernel version 3.6.6.1. There have also been some other problems with glib and glibc. I am also usin...
- 25 Jul 2012, 22:36
- Forum: Linux On My Samsung
- Topic: Samsung R540 Brightness Issue
- Replies: 2
- Views: 4615
Re: Samsung R540 Brightness Issue
It worked!!! I am overwhelmed with joy, crying on the floor. My eyes thank you, honorable sir! Added GRUB_CMDLINE_LINUX_DEFAULT="quiet acpi_osi=Linux acpi_backlight=vendor" to /etc/default/grub than ran update-grub And I recently learned that you need to select the core kernel (3.4.6) at b...
- 19 Jul 2012, 21:42
- Forum: Linux On My Samsung
- Topic: Samsung R540 Brightness Issue
- Replies: 2
- Views: 4615
Samsung R540 Brightness Issue
I cannot adjust the brightness of my Samsung R540 laptop for a long time. A year ago, when I had Ubuntu 10.10, installing the ATI Driver fixed my problem. But now I am using Arch Linux and my eyes are burning with the brightness of a thousand suns. When I plug in the AC adapter, it goes to max brigh...