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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - ASUS X450LCP brighness hot keys aren't working"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97368">97368</a>
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<th>Summary</th>
<td>ASUS X450LCP brighness hot keys aren't working
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
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<th>Version</th>
<td>XOrg git
</td>
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<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>DRM/Intel
</td>
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
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<th>Reporter</th>
<td>marcos.souza.org@gmail.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>Created attachment 228451 [details]
DMI info
After trying to follow instructions from
<a href="http://hansdegoede.livejournal.com/13889.html">http://hansdegoede.livejournal.com/13889.html</a>, I could check it didn't worked.
The only kernel parameter that made it work was "acpi_osi=".
I tried to try different parameters, but none of them worked. When using
"acpi_osi=", /sys/class/backlight had two acpi_video0 entries:
[marcos@xfiles ~]$ ls /sys/class/backlight/
acpi_video0 acpi_video1 intel_backlight
There is something or someplace I should take a look in the source code?
Thanks!</pre>
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