[Bug 68471] Display extremely dark on Dell XPS 13 since 3.10 Kernel in EFI mode

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=68471

--- Comment #11 from Daniel Vetter <daniel at ffwll.ch> ---
(In reply to Dennis Jacobfeuerborn from comment #3)
> 2. acpi_video0/actual_brightness reflects the display brightness accurately
> (0-100) when I change the brightness using the keys but
> intel_backlight/actual_brightness is always 4882 no matter how I adjust the
> brightness using the keys.

Can you please try out what happens when you set the brightness through the
sysfs interface? Use the "brightness" file for that.

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