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<body><span class="vcard"><a class="email" href="mailto:martin.peres@free.fr" title="Martin Peres <martin.peres@free.fr>"> <span class="fn">Martin Peres</span></a>
</span> changed
<a class="bz_bug_link
bz_status_NEW "
title="NEW - Cannot control backlight intensity on Powerbook"
href="https://bugs.freedesktop.org/show_bug.cgi?id=31122">bug 31122</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>NEEDINFO
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<td>NEW
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Cannot control backlight intensity on Powerbook"
href="https://bugs.freedesktop.org/show_bug.cgi?id=31122#c10">Comment # 10</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Cannot control backlight intensity on Powerbook"
href="https://bugs.freedesktop.org/show_bug.cgi?id=31122">bug 31122</a>
from <span class="vcard"><a class="email" href="mailto:martin.peres@free.fr" title="Martin Peres <martin.peres@free.fr>"> <span class="fn">Martin Peres</span></a>
</span></b>
<pre>Nice to see a patch :)
However, this patch exposes a backlight even when there is no panel connected.
Could you come up with an heuristic to detect if there is or not a backlight?
The normal thing to do is to check in the GPIO table of the bios (check it out
using envytools's nvbios and nvagetbios).
I can assist a little for this.</pre>
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