From 44c073c07c34e04683837abfc02550a746ffe857 Mon Sep 17 00:00:00 2001
From: fruchti <fruchti@gvfr.de>
Date: Sun, 12 Mar 2023 12:55:59 +0100
Subject: [PATCH] Add udev rules for Keychron C2
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Without these, the function keys don’t work as function keys, but only
as media keys.
---
 base/default.nix  | 1 +
 base/hardware.nix | 7 +++++++
 2 files changed, 8 insertions(+)
 create mode 100644 base/hardware.nix

diff --git a/base/default.nix b/base/default.nix
index 82802a5..5ae1d2a 100644
--- a/base/default.nix
+++ b/base/default.nix
@@ -7,5 +7,6 @@
         ./packages.nix
         ./users.nix
         ./locale.nix
+        ./hardware.nix
     ];
 }
diff --git a/base/hardware.nix b/base/hardware.nix
new file mode 100644
index 0000000..2195655
--- /dev/null
+++ b/base/hardware.nix
@@ -0,0 +1,7 @@
+{ pkgs, ... }:
+{
+    services.udev.extraRules = ''
+        # Keychron C2 function key fix
+        SUBSYSTEMS=="input", ATTRS{name}==Keychron C2", RUN+="${pkgs.coreutils}/bin/echo 0 | ${pkgs.coreutils}/bin/tee /sys/module/hid_apple/parameters/fnmode"
+    '';
+}