Ubuntu
alsa-driver package

  1. Bug #568611
  2. Comment #249

Comment 249 for bug 568611

Revision history for this message
Kamal Mostafa (kamalmostafa) wrote :

I have updated my Ubuntu Maverick and Natty kernel PPA's with another new experimental patch by Keith Packard[0]. This new patch may resolve the "inverted brightness" and/or the "jumps with successive changes" behavior that has been reported on some systems:

    https://launchpad.net/~kamalmostafa/+archive/linux-kamal-mjgbacklight

The kernels containing the new patch are tagged "~kamal4~..." (use 'uname -a' to check); they will become available within the next day. If you experience any change in your brightness control behavior after updating to this new version, please post a note here.

For Ubuntu Oneiric (11.10), I am maintaining a separate backlight PPA which also now includes this new patch. Oneiric users should see the bug #872652 for that.

[0] http://lists.freedesktop.org/archives/intel-gfx/2011-November/013519.html