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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [i915] invert_brightness on "8086:0116:103c:1854" is required"
href="https://bugs.freedesktop.org/show_bug.cgi?id=70256#c5">Comment # 5</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [i915] invert_brightness on "8086:0116:103c:1854" is required"
href="https://bugs.freedesktop.org/show_bug.cgi?id=70256">bug 70256</a>
from <span class="vcard"><a class="email" href="mailto:daniel@ffwll.ch" title="Daniel Vetter <daniel@ffwll.ch>"> <span class="fn">Daniel Vetter</span></a>
</span></b>
<pre>Can you please check whether changing the brighetness through xrandr (with
xrandr --output <output> --set Backlight <value>) and the raw interfaces in
/sys/class/backlight/* also works?</pre>
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