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[Bug 534677] Re: [lucid] Broken backlight control with Radeon open-source drivers

To: ubuntu-x-swat@xxxxxxxxxxxxxxxxxxx
From: bodwick <bodwick@xxxxxxxxxx>
Date: Tue, 30 Mar 2010 09:59:49 -0000
Reply-to: Bug 534677 <534677@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

On HP ProBook 4710s (ati hd4330 with fglrx driver) I have a similar problem:
- can't control the lcd backlight using gnome-power-manager
- can't control the lcd backlight using xbacklight
- CAN change the backlight using 'echo -n 0 > /proc/acpi/video/DGFX/LCD/brightness'
- when switching to battery the screen gets dimmer
- function keys which used to control backlight don't work any more (used to work out of  the box on Karmic)

Best regards
Szymon

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[lucid] Broken backlight control with Radeon open-source drivers
https://bugs.launchpad.net/bugs/534677
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