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inspiron-5515: fix race for fix-touchpad.sh

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On rare occasions, the module would be removed before suspend and the touchpad would be
disabled on boot.
This commit is contained in:
Guillaume Girol
2022-03-05 12:00:00 +00:00
parent a7bca8d0d8
commit fed22c2d60
2 changed files with 11 additions and 5 deletions
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11
dell/inspiron/5515/default.nix
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@@ -12,13 +12,18 @@
# hack around it by unloading and reloading module i2c_hid
systemd.services.fix-touchpad = {
path = [ pkgs.kmod ];
serviceConfig.ExecStart = "${./fix_touchpad.sh}";
serviceConfig.ExecStart = ''${pkgs.systemd}/bin/systemd-inhibit --what=sleep --why="fixing touchpad must finish before sleep" --mode=delay ${./fix_touchpad.sh}'';
serviceConfig.Type = "oneshot";
description = "reload touchpad driver";
# must run at boot (and not too early), and after suspend
wantedBy = [ "display-manager.service" "sleep.target" ];
after = [ "sleep.target" ];
wantedBy = [ "display-manager.service" "post-resume.target" ];
# prevent running before suspend
after = [ "post-resume.target" ];
};
# so that post-resume.service exists
powerManagement.enable = true;
# fix suspend
# https://bbs.archlinux.org/viewtopic.php?id=266108 says linux >= 5.12 required