Public bug reported:

See https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1644047 for
machine logs.


I see a message like this in syslog when I put this laptop into tablet mode 
(lid all the way backwards) from 
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=795214

[80192.862047] thinkpad_acpi: unknown possible thermal alarm or keyboard event 
received
[80192.862053] thinkpad_acpi: unhandled HKEY event 0x60c0
[80192.862055] thinkpad_acpi: please report the conditions when this event 
happened to [email protected]
[80194.976875] thinkpad_acpi: unknown possible thermal alarm or keyboard event 
received
[80194.976885] thinkpad_acpi: unhandled HKEY event 0x60c0
[80194.976889] thinkpad_acpi: please report the conditions when this event 
happened to [email protected]

Happens on current kernel in 16.10, and also 4.9 as per the previous
stated launchpad bug.


possible solution ?:
http://comments.gmane.org/gmane.linux.kernel/2058487


We need this to be handled by whatever input dev node so unity8 can react to 
when the lid it is put into tablet mode.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1644670

Title:
  cannot use tablet mode lid sensor on yoga 460

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