Public bug reported:
Toshiba Satellite A110
Ubuntu Desktop 9.04, kernel 2.6.28-14-generic
GNOME Power Manager 2.24.2
Hardware Abstraction Layer 0.5.12
D-Bus 1.2.12
Trying to change LCD backlight brightness through GNOME Power Manager,
GNOME Power Manager Brightness Applet and xbacklight - changes appeared
only in /sys/class/backlight/acpi_video0/brightness and
/proc/acpi/video/GFX0/LCD/brightness, but actually brightness of the LCD
backlight didn't change.
Trying to do it manually...
sudo su
echo -n 0 /sys/class/backlight/acpi_video0/brightness
echo -n 5 /sys/class/backlight/acpi_video0/brightness
echo -n 0 /proc/acpi/video/GFX0/LCD/brightness
echo -n 100 /proc/acpi/video/GFX0/LCD/brightness
Also not working.
Functional keys combination (Fn+F6 & Fn+F7) always work properly and
change the brightness level of the LCD backlight (in all OSs and even if
no OS is loaded).
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: a110 brightness satellite toshiba
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LCD brightness control not working (Toshiba Satellite A110)
https://bugs.launchpad.net/bugs/408141
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