diff options
Diffstat (limited to 'hosts/ahmed/disable-screen/default.nix')
-rw-r--r-- | hosts/ahmed/disable-screen/default.nix | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/hosts/ahmed/disable-screen/default.nix b/hosts/ahmed/disable-screen/default.nix deleted file mode 100644 index 638437a..0000000 --- a/hosts/ahmed/disable-screen/default.nix +++ /dev/null @@ -1,61 +0,0 @@ -# This file defines some configuration options which disable the screen. This -# is only relevant because this host is an old laptop running as a server. -{ - lib, - config, - ... -}: let - inherit (lib) mkEnableOption mkOption mkIf types; - - cfg = config.services.disable-screen; -in { - options.services.disable-screen = { - enable = mkEnableOption "disable screen"; - - device-path = mkOption { - description = "Path to the device in the `/sys` file system."; - type = types.str; - example = "/sys/class/backlight/intel_backlight"; - }; - - device-unit = mkOption { - description = "The systemd device unit that corresponds to the device speciefied in `device-path`."; - type = types.str; - example = "sys-devices-pci...-intel_backligt.device"; - }; - }; - - config = mkIf cfg.enable { - # Disable sleep on lid close. - services.logind = let - lidSwitchAction = "ignore"; - in { - lidSwitchExternalPower = lidSwitchAction; - lidSwitchDocked = lidSwitchAction; - lidSwitch = lidSwitchAction; - }; - - # Don't store screen brightness between boots. We always want to turn off the - # screen. - # - # See: https://wiki.archlinux.org/title/backlight#Save_and_restore_functionality - # See: https://github.com/NixOS/nixpkgs/blob/990398921f677615c0732d704857484b84c6c888/nixos/modules/system/boot/systemd.nix#L97-L101 - systemd.suppressedSystemUnits = ["[email protected]"]; - - # FIXME: Figure out how to enable screen when on-device debugging is necessary. - # Create a new service which turns off the display on boot. - # - # See: https://nixos.wiki/wiki/Backlight#.2Fsys.2Fclass.2Fbacklight.2F... - # See: https://superuser.com/questions/851846/how-to-write-a-systemd-service-that-depends-on-a-device-being-present - systemd.services.disable-screen = { - requires = [cfg.device-unit]; - after = [cfg.device-unit]; - wantedBy = [cfg.device-unit]; - - serviceConfig.Type = "oneshot"; - script = '' - tee ${cfg.device-path}/brightness <<<0 - ''; - }; - }; -} |