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nixos-hardware/lenovo/thinkpad/x1/6th-gen/default.nix
Maximilian Bosch abca8d0180
thinkpad/x1/6th-gen: fix trackpoint name
Newer ThinkPads have a new name for the Trackpoint - "TPPS/2 Elan TrackPoint".

Having the "[...] IBM Trackpoint" as default caused some weird
side-effects on my machine (e.g. stopped the trackpoint working after a
suspend) with the wrong name. Although this is mentioned in the option's
description[1], I think that this should be declared explicitly here.

As soon, as we supported newer models as well[2], we should probably
move this into its own common profile.

[1] https://nixos.org/nixos/options.html#hardware.trackpoint.device
[2] https://certification.ubuntu.com/catalog/component/input/5313/input%3ATPPS/2ElanTrackPoint/
2019-09-01 18:00:21 +02:00

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Nix

# A good source of information about how to fix the issues still
# standing with kernel 4.6.11 is the following wiki page:
# https://wiki.archlinux.org/index.php/Lenovo_ThinkPad_X1_Carbon_(Gen_6). The
# TrackPoint and TouchPad issues there seem to have been fixed already.
#
# Enable the lower-power S3 suspend state by upgrading the BIOS to version >= 1.30,
# then manually selecting Linux in the power management section.
{ config, pkgs, ... }:
{
imports = [
../.
../../../../common/pc/laptop/acpi_call.nix
../../../../common/pc/laptop/cpu-throttling-bug.nix
];
# New ThinkPads have a different TrackPoint manufacturer/name.
# See also https://certification.ubuntu.com/catalog/component/input/5313/input%3ATPPS/2ElanTrackPoint/
hardware.trackpoint.device = "TPPS/2 Elan TrackPoint";
}