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  1. Bug #212800
  2. Comment #17

Comment 17 for bug 212800

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Tom K. C. Chiu (tomchiukc) wrote : Re: [Bug 212800] Re: no brightness-control on samsung laptop

It has been years. When can we have this problem solved, or we shall
abandon using the notebooks from Samsung?

2010/3/28 postadelmaga <email address hidden>:
> I have a "Samsung n150" and running Lucid and  the problem is the same :
> no brightness control.
>
> smartdimmer command doen't  work here ...
> output:
> init_nvclock() failed!
>
> instead that works good:
>
> setpci -s $DEVICE F4.B=$var2
>
> with:
> - DEVICE=00:02.0
> and
> - var2=`echo "ibase=10; obase=16; a=($var1d+$AMOUNT);if (a<255) print a else print 255" | bc`
>               echo "$0: increasing brightness from 0x$var1 to 0x$var2"
>
> --
> no brightness-control on samsung laptop
> https://bugs.launchpad.net/bugs/212800
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>