Re: ThinkPad Yoga 370 thinkpad_acpi: unknown/reserved multi-mode value

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On April 25, 2018 3:08 PM, Benjamin Berg <bberg@xxxxxxxxxx> wrote:

> Hi,
> 
> On Wed, 2018-04-25 at 08:28 -0400, Jordan Glover wrote:
> 
> > After reboot it stays the same except :
> > 
> > thinkpad_acpi: Unknown/reserved multi mode value 0x0000 for type 4,
> > 
> > please report this to ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx
> > 
> > which is missing then.
> 
> That sounds reasonable. It just means that we are not able to resolve
> 
> the multi mode state right away after a cold boot. That does leave the
> 
> question whether we should be doing anything else so that the state is
> 
> resolved correctly.
> 
> A quick test could be to do a cold boot with the laptop folded into
> 
> tablet mode. I believe dmesg will be identical, but you should see
> 
> (e.g. using evemu-describe on "ThinkPad Extra Buttons") that
> 
> SW_TABLET_MODE has toggled to 1 rather than still having a state of 0
> 
> for laptop mode.
> 
> Benjamin

I have to admit that I can't handle booting and checking this in tablet mode
(without keyboard) so I won't confirm it, sorry.

​Jordan

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