Public bug reported:
12.04 i386 on Samsung NC10. All current updates installed, ecryptfs in
use.
After a suspend, the backlight brightness keys and the System Settings
--> Brightness and Lock control work in reverse.
On reboot they return to normal but reverse again after another suspend.
This has happened after a software update.
When I first installed 12.04 the backlight went from full to minimum brightness
(or vice versa) with a single stab of the keys.
I cured this by adding "acpi_backlight=vendor" to /usr/share/grub/default/grub
and then update-grub. There has since been no problems until now.
acpid 1:2.0.10-1ubuntu3 hope this is the right info, if not tell me what
is required I'm not a coder.
** Affects: acpi (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1002031
Title:
12.04 brightness controls reversed after suspend
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