Bug#453839: xserver-xorg-video-ati: LCD backlight control regressions on RS482 (Radeon Xpress 200M)

[Alex Deucher]

On Dec 1, 2007 10:05 AM, Linas Žvirblis <0x0007 at gmail.com> wrote:
> Package: xserver-xorg-video-ati
> Version: 1:6.7.196-1
> Severity: normal
>
> Upgrading from 1:6.7.195-2 to 1:6.7.196-1 caused some things that worked
> just fine to fail on HP Compaq nx6325 notebook with the infamous RS482
> (Radeon Xpress 200M) video card.
>
> 1. LCD brightness control buttons no longer work. (Un)plugging power
> cord also no longer changes the brightness. I can change it if I switch
> to console, but on switching back to X it is restored to what it was.
>

This is fixed in git master.

> 2. Putting display into power saving mode correctly switches the
> backlight off, but after some time it sometimes turns back on, and does
> not turn off until display is put into power saving mode again.

Often mouse drift causes the display to wake up.

Alex