[Bug 381461] Re: [i945gme] brightness fluxuates wildly on KMS (karmic)

[Jonathan Reeve]

Still having crazy brightness issues, with Intel 945M on a Wind U100.
The screen flickers in GDM, and every time I try to change the
brightness, it will fluxuate between two values, making the screen
flicker until I log out and log back in. The only line in Xrandr
--verbose that addresses the backlight is:

BACKLIGHT: 0 (0x00000000)       range:  (0,8)

and there's nothing I can see about backlight control.

cat /proc/acpi/video/IGD/LCD/brightness
levels:  20 30 40 50 60 70 80 90 100
current: 20

It apparently really likes 20%, and if I change it, then log out and log
back in, it will gradually revert back to 20%.

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[i945gme] brightness fluxuates wildly on KMS (karmic)
https://bugs.launchpad.net/bugs/381461
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