[Bug 73156] Dual onboard LCD (eDP1 and DP1) cannot turn on DP1 (no backlight), no backlight control but can see screen in reflected light
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Thu Mar 20 02:08:39 PDT 2014
https://bugs.freedesktop.org/show_bug.cgi?id=73156
--- Comment #23 from Jani Nikula <jani.nikula at intel.com> ---
(In reply to comment #22)
> git clone http://cgit.freedesktop.org/drm-intel drm-intel-nightly
>
> ls /sys/class/backlight/
> acpi_video0 intel_backlight
So what does changing those do?
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