On Sat, 29 Oct 2011 21:43:23 +0300, Volkan YAZICI wrote: > On Sat, 29 Oct 2011 15:01:12 +0000 (UTC), Camaleón writes: >> I'm running a Debian stock kernel (3.0.0-1) and neither have that entry >> under "/proc/acpi" but can control the brigthness of my netbook either >> from GNOME or using the hotkeys. >> >> Maybe this Ubuntu debug guide for backlight can give you any hints: >> >> https://wiki.ubuntu.com/Kernel/Debugging/Backlight >> >> Specifically this statement: >> >> *** >> The /proc/acpi/video interface >> >> Warning /!\ This actually is deprecated and would also only be working >> if the ACPI backlight driver is active. It will be described only for >> completeness. The ACPI backlight driver also exposes itself through the >> new sysfs interface. >> *** > > Hrm... Nice article. Here are my evaluations:
(...) What's the output of "ls -l /sys/class/backlight"? If I follow the instructions of the section named "The /sys/class/ backlight interface" I can indeed see and set the backlight values as stated. For instance, to put the backlight at its maximum value, as root I can run: echo 10 > /sys/class/backlight/acpi_video0/brightness Greetings, -- Camaleón -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/pan.2011.10.29.20.31...@gmail.com