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<body><span class="vcard"><a class="email" href="mailto:darlor@seznam.cz" title="darlor@seznam.cz">darlor@seznam.cz</a>
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<a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [BYT LPSS backlight] Acer Aspire Switch 10 backlight control"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90075">bug 90075</a>
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<td style="text-align:right;">CC</td>
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<td>darlor@seznam.cz
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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [BYT LPSS backlight] Acer Aspire Switch 10 backlight control"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90075#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [BYT LPSS backlight] Acer Aspire Switch 10 backlight control"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90075">bug 90075</a>
from <span class="vcard"><a class="email" href="mailto:darlor@seznam.cz" title="darlor@seznam.cz">darlor@seznam.cz</a>
</span></b>
<pre>Created <span class=""><a href="attachment.cgi?id=122344" name="attach_122344" title="vanilla kernel 4.5.0 with 3 lpss/pwm patches from Shobhit Kumar">attachment 122344</a> <a href="attachment.cgi?id=122344&action=edit" title="vanilla kernel 4.5.0 with 3 lpss/pwm patches from Shobhit Kumar">[details]</a></span>
vanilla kernel 4.5.0 with 3 lpss/pwm patches from Shobhit Kumar
Hello, another Linux user of Acer Switch 10 here. I was hoping that creator of
this bug will add needed info, but nothing happened for long time.
So I applied those patches:
<a href="https://patchwork.freedesktop.org/patch/70286/">https://patchwork.freedesktop.org/patch/70286/</a>
<a href="https://patchwork.freedesktop.org/patch/70287/">https://patchwork.freedesktop.org/patch/70287/</a>
<a href="https://patchwork.freedesktop.org/patch/70288/">https://patchwork.freedesktop.org/patch/70288/</a>
I hope that those are patches that Jani Nikula was asking for.
Dmesg from pure vanilla kernel is already attached. If there is anything else I
can do to make backlight work, Iam available for testing/more info providing.
cat dmesg_4.5_vanilla.txt | grep -i backlight
[ 3.838230] [drm:pwm_setup_backlight [i915]] *ERROR* Failed to own the pwm
chip
cat dmesg_4.5_vanilla+lpss.txt | grep -i backlight
[ 3.831272] [drm:pwm_setup_backlight [i915]] *ERROR* Failed to own the pwm
chip: pwm_lpss
Thank you for your work</pre>
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