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nixos-hardware/framework/bluetooth.nix
2024-11-02 03:52:24 +00:00

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1.6 KiB
Nix

# There is apparently a bug that affects Framework computers that causes black
# screen on resume from sleep or hibernate with kernel version 6.11. Framework
# have published a workaround; this applies that workaround.
#
# https://fosstodon.org/@frameworkcomputer/113406887743149089
# https://github.com/FrameworkComputer/linux-docs/blob/main/hibernation/kernel-6-11-workarounds/suspend-hibernate-bluetooth-workaround.md#workaround-for-suspendhibernate-black-screen-on-resume-kernel-611
{
config,
lib,
pkgs,
...
# TODO: drop this if linux 6.11 goes EOL
}: lib.mkIf ((config.boot.kernelPackages.kernelAtLeast "6.11") && (config.boot.kernelPackages.kernelOlder "6.12")) {
systemd.services = {
bluetooth-rfkill-suspend = {
description = "Soft block Bluetooth on suspend/hibernate";
before = ["sleep.target"];
unitConfig.StopWhenUnneeded = true;
serviceConfig = {
Type = "oneshot";
ExecStart = "${pkgs.util-linux}/bin/rfkill block bluetooth";
ExecStartPost = "${pkgs.coreutils}/bin/sleep 3";
RemainAfterExit = true;
};
wantedBy = ["suspend.target" "hibernate.target" "suspend-then-hibernate.target"];
};
bluetooth-rfkill-resume = {
description = "Unblock Bluetooth on resume";
after = ["suspend.target" "hibernate.target" "suspend-then-hibernate.target"];
serviceConfig = {
Type = "oneshot";
ExecStart = "${pkgs.util-linux}/bin/rfkill unblock bluetooth";
};
wantedBy = ["suspend.target" "hibernate.target" "suspend-then-hibernate.target"];
};
};
}