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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [vga_switcheroo] commit 07f4f97d7b4bf325d9f558c5b58230387e4e57e0 breaks dpm on Alienware 15R3"
href="https://bugs.freedesktop.org/show_bug.cgi?id=106597#c24">Comment # 24</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [vga_switcheroo] commit 07f4f97d7b4bf325d9f558c5b58230387e4e57e0 breaks dpm on Alienware 15R3"
href="https://bugs.freedesktop.org/show_bug.cgi?id=106597">bug 106597</a>
from <span class="vcard"><a class="email" href="mailto:lukas@wunner.de" title="Lukas Wunner <lukas@wunner.de>"> <span class="fn">Lukas Wunner</span></a>
</span></b>
<pre>(In reply to taijian from <a href="show_bug.cgi?id=106597#c22">comment #22</a>)
<span class="quote">> $ grep . /sys/bus/hdaudio/devices/hdaudioC1D0/widgets/*/power_caps
> /sys/bus/hdaudio/devices/hdaudioC1D0/widgets/01/power_caps:0xc0000009</span >
According to the HDA specification r1.0a, page 209
(<a href="https://www.intel.com/content/dam/www/public/us/en/documents/product-specifications/high-definition-audio-specification.pdf">https://www.intel.com/content/dam/www/public/us/en/documents/product-specifications/high-definition-audio-specification.pdf</a>)
this decodes as:
EPSS supported
CLKSTOP supported
D3 supported
D0 supported
Hm, looks fine at first glance. I think I'll need dmesg output with the 3rd
debug patch to understand what's going wrong.</pre>
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