http://bugzilla.kernel.org/show_bug.cgi?id=11093





------- Comment #7 from [EMAIL PROTECTED]  2008-08-28 00:21 -------
I can provide some additional notes at this point.  Over recent days I have
been working with an owner of a P8010 on a number of things, one of which was
brightness control.  The practical upshot of our tests is that with 2.6.27-rc4
things "mostly work" if "use_alt_lcd_levels=1" is used when loading
fujitsu-laptop.  Brightness buttons do the right thing and software control of
the brightness via fujitsu-laptop works.  What doesn't work is xbacklight. 
This is because on the P8010 the new apci-video brightness controls won't work
until the IGD changes are merged, and xbacklight picks the acpi-video provided
brightness controls ahead of the vendor-specific one.

Testing of -next (which includes the IGD changes) indicates that everything
should work much better in 2.6.28 (when the IGD will hit mainline).  Given this
my current plan is to hold off on this issue until then since it appears at
this stage that IGD should fix most of the remaining issues on Fujitsu laptops
which support IGD.  There seems little point shoehorning model-specific hacks
into 2.6.27 which will become irrelevant in 2.6.28.


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