https://bugzilla.kernel.org/show_bug.cgi?id=70931
Bug ID: 70931
Summary: Reboot quirks required for Baytrail-based tablets
Product: ACPI
Version: 2.5
Kernel Version: 3.14rc3
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: BIOS
Assignee: [email protected]
Reporter: [email protected]
Regression: No
Created attachment 126901
--> https://bugzilla.kernel.org/attachment.cgi?id=126901&action=edit
poweroff patch from Jan Michael Brummer
I have a Dell Venue 8 Pro, and I've been working with several other folks with
similar tablets - that is, tablets based on the first-generation Intel Baytrail
platform.
They all appear to need quirk handling to shutdown / reboot correctly.
I'm attaching a couple of patches. Jan Michael Brummer at Intel wrote the
'poweroff' patch and the reboot quirk for the Venue 8 Pro. I've been applying
those two to my 'fedlet' kernel builds - see
https://www.happyassassin.net/fedlet-a-fedora-remix-for-bay-trail-tablets/ -
and they make the V8P shut down and reboot reliably for me, and others with
V8Ps who've tested the build.
The 'reboot quirk' patch contains that V8P quirk. It also contains a quirk for
the Asus T100TA which has been written and tested by Jacek Danecki. It also
contains a quirk for the Lenovo Miix 2: I don't have one of these, but someone
following my Fedlet posts contacted me and sent the dmidecode, so I wrote a
quirk based on that.
Phil Knirsch at Red Hat has an HP Omni 10, and I've contacted him to ask if it
also has the same shutdown/reboot problems, and to ask for dmidecode output so
we could add a quirk for that one too.
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