[GTALUG] Thinkpad [1] : Twitchy lid close switch

[Matt Price]

Hi Folks,

It’s been a long time since I participated i n the group, hope everyone’s
well!

I have Arch installed on a Thinkpad T440s; it’s mostly worked well for
quite a while, but I’m running into some problems; separating them out into
individual emails for clarity.

The simplest issue is a very sensitive lid close sensor. The sensor is
inside the lid hinge, and it often registers a state change when I adjust
the screen angle. So, two questions:

   - any other THinkpad users to there seeing this, and if so, have you
   figured out a hardware fix?
   - failing that, does anyone have a suggestion for a software fix – say,
   a custom script that systemd can run as a hook before the LidSwitch event
   fires? I don’t know much about the systemd power management features. I
   noticed the “HoldoffTimeoutSec” variable in /etc/systemd/logind.conf, and
   currently have it set to 30s (cf.
   https://www.freedesktop.org/software/systemd/man/logind.conf.html). But
   it hasn’t yet solved my problem.

As usual, thanks so much for your help!

Matt
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