Red Hat Bugzilla – Bug 827501
display brightness control broken in FC16/FC17 on HP dm1z laptop
Last modified: 2013-08-01 06:10:28 EDT
Description of problem:
I have a HP dm1z laptop. The brightness control buttons used to work on FC16. But after a few updates, it stopped working. When dm1z is idle, display dimming works properly. But when running on battery, I like to dim it as much as possible. But the brightness control buttons on the keyboard no longer works after kernel update on FC16. Just installed FC17, the problem persists. The display is always bright and drains the battery very quickly. Even when running on AC, I still cannot dim the display.
Version-Release number of selected component (if applicable):
"uname -r" shows this:
Steps to Reproduce:
1. Just power on laptop and push the brightness control buttons on keyboard.
Display should brighten or dim.
This problem occurs in KDE. When login using Gnome, it works fine.
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