On Tue, Apr 05, 2011 at 06:17:24PM +0200, Marco Chiappero wrote:

> I just wanted to report possible issues related to the new backlight
> control implemented in commit
> 7751ab8e600f26e10c2ba12a92d48a4852a51da8 [sony-laptop: implement new
> backlight control method]. I and Javier Achirica have been using it
> for a while on different notebook models and agree that values close
> to 0 are far too dark to be useful, while 0 means totally off for
> both. Moreover flickering has been reported with CCFL LCDs (still
> present on a few models, such as the Vaio F) by another tester.
> In fact, with these Vaios, Windows never goes below a certain model
> specific backlight lower bound, provided along with the ALS
> capability. However, this requires further code not yet implemented
> (or the ALS support already available but not yet included). Please
> consider correcting or delaying that patch.

Hmm. How low is useful? There's no real problem with shifting everything 
by an offset.

-- 
Matthew Garrett | [email protected]
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