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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#c8">Comment # 8</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:tkhai@yandex.ru" title="Kirill Tkhai <tkhai@yandex.ru>"> <span class="fn">Kirill Tkhai</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=70256#c5">comment #5</a>)
<span class="quote">> 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?</span >
Daniel, I'll check this a little later, when I'm near the laptop.
(In reply to <a href="show_bug.cgi?id=70256#c6">comment #6</a>)
<span class="quote">> (In reply to <a href="show_bug.cgi?id=70256#c4">comment #4</a>)
> > Hotkeys work, polarity is standard. Kernel loads complitely in dark.
> > Starting of X server does not change brightness. Hotkeys do.
>
> So if you use invert_brightness, the polarity is reversed, right?</span >
Everything is right. Tric from <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTABUG - invert_brightness needed for HP Envy 17 with Haswell processor"
href="show_bug.cgi?id=70386">bug 70386</a> doesn't work for me: brightness is not
remembered between reboots, I have to increase it by hotkeys every boot.</pre>
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