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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [945gm] ACPI Brightness adjustment is broken in 945GM with kernel 3.14-rc2"
href="https://bugs.freedesktop.org/show_bug.cgi?id=75001#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [945gm] ACPI Brightness adjustment is broken in 945GM with kernel 3.14-rc2"
href="https://bugs.freedesktop.org/show_bug.cgi?id=75001">bug 75001</a>
from <span class="vcard"><a class="email" href="mailto:luiorpe1@gmail.com" title="Luis Ortega <luiorpe1@gmail.com>"> <span class="fn">Luis Ortega</span></a>
</span></b>
<pre>This patch corrects the issue. The Fn keys work as expected and I can again
change the brightness. In more detail:
su -c "echo N > /sys/class/backlight/eeepc/brightness" changes the brightness
and catting the file reports the new value.
su -c "echo N > /sys/class/backlight/intel_backlight/brightness" changes the
brightness and catting the file reports the new value.
BTW, I've noticed that the values reported by
/sys/class/backlight/intel_backlight/brightness are much higher than
previously. Booting in 3.13 and 3.14-rc2 I get the value 156, which equals that
of max_brightness though I actually have my screen dimmed. With your patch I
get the value 7800 and a max_brightness of 39780.</pre>
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