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https://github.com/NixOS/nixos-hardware
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42 lines
1.1 KiB
Nix
42 lines
1.1 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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inherit (lib) mkIf mkOption types;
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reloadDesignware = pkgs.writeShellApplication {
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name = "reload-i2c-designware.sh";
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runtimeInputs = [ pkgs.kmod ];
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text = ''
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# Reload the i2c Designware driver after resuming from sleep.
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# Wait up-to 0.5 second for each module to be unloaded:
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# (It should never take this long)
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modprobe -r --wait 500 i2c_designware_platform
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modprobe -r --wait 500 i2c_designware_core
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modprobe -r --wait 500 i2c_hid_acpi
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modprobe -r --wait 500 i2c_hid
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# Should reload the module dependencies automatically:
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modprobe i2c_designware_platform
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'';
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};
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cfg = config.services.sleep-resume.i2c-designware;
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in {
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options = {
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services.sleep-resume.i2c-designware = {
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enable = mkOption {
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default = false;
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type = types.bool;
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description = "Reload the i2c_designware driver after resuming from sleep.";
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};
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};
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};
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config = mkIf cfg.enable {
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powerManagement.resumeCommands = "${reloadDesignware}/bin/reload-i2c-designware.sh";
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};
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}
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