tried with linux-image-2.6.35-020635rc1-generic_2.6.35-020635rc1_i386 brightness buttons works good. therefor marked as dub of bug #406515.
tried with linux-image- 2.6.35- 020635rc1- generic_ 2.6.35- 020635rc1_ i386 brightness buttons works good. therefor marked as dub of bug #406515.