Comment 3 for bug 1218547

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Surak (smkozasa) wrote : Re: Clevo W350ST brightness keys don't work on Kubuntu

Thanks for your attention. I've forgotten to mention that Clevo W350ST uses Haswell chipset with embedded Intel HD4000 and Optimus capable GTX 765M. I suppose that's why there are 2 devices under /sys/class/backlight.

I have attached the resulting udev-db.txt.