It looks like this has been fixed upstream. I will close it. If the
problem still occurs, please reopen it.
** Changed in: linux (Ubuntu)
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/226894
Title:
Backlight control does not work on MacBook Pro 3.1
Status in HAL:
Fix Released
Status in hal package in Ubuntu:
Fix Released
Status in linux package in Ubuntu:
Invalid
Bug description:
1) The Linux module mbp_nvidia_bl needs to be autoloaded to provide
the backlight device for the NVidia card in 3.1 and 4.1. The fix for
this is detailed here, and this should be carried by us as it
currently does not work. http://lkml.org/lkml/2008/9/16/284
Workaround: load the module by other means, either on-demand with
modprobe or by adding the line to /etc/modules
2) G-P-M gets confused by the phoney MacBook Laptop Panel HAL device
(that is actually dead since the addon providing its services doesn't
work for NVidia). Upstream HAL received this fix to only spawn this
for the relevant models.
http://gitweb.freedesktop.org/?p=hal.git;a=commitdiff;h=95bd4f1bf9a62f1551461841d64f6f1cdea6a92e
Workaround: comment out the <spawn> element for the laptop panel in
the file.
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