Comment 14 for bug 1249219

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Тимофей (nefelim4ag) wrote : Re: backlight control acpi_video0 instead intel_backlight

> I think adding the boot flag of "acpi_backlight=vendor" on your next boot should make the values change in
> /sys/class/backlight/intel_backlight/brightness.

I trying this, this no effect.

> Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please
> test the latest v3.12 kernel[0].

I always using dev distribution, cause i already using 3.12

On 12.10 or older distrs brightness work good.

Any way, thanks.