From c5cea38e690922026a14bec43c21370ec67503f3 Mon Sep 17 00:00:00 2001
From: eljamm <fedi.jamoussi@protonmail.ch>
Date: Sun, 25 May 2025 00:33:28 +0200
Subject: [PATCH 1/2] linuxPackages.veikk-linux-driver: fix build

with kernels >= 6.12
---
 .../linux/veikk-linux-driver/default.nix      |  2 ++
 .../veikk-linux-driver/fix-6.12-build.patch   | 26 +++++++++++++++++++
 2 files changed, 28 insertions(+)
 create mode 100644 pkgs/os-specific/linux/veikk-linux-driver/fix-6.12-build.patch

diff --git a/pkgs/os-specific/linux/veikk-linux-driver/default.nix b/pkgs/os-specific/linux/veikk-linux-driver/default.nix
index 55ce63db7902..81111d4e710e 100644
--- a/pkgs/os-specific/linux/veikk-linux-driver/default.nix
+++ b/pkgs/os-specific/linux/veikk-linux-driver/default.nix
@@ -17,6 +17,8 @@ stdenv.mkDerivation rec {
     sha256 = "11mg74ds58jwvdmi3i7c4chxs6v9g09r9ll22pc2kbxjdnrp8zrn";
   };
 
+  patches = [ ./fix-6.12-build.patch ];
+
   nativeBuildInputs = kernel.moduleBuildDependencies;
 
   buildInputs = [ kernel ];
diff --git a/pkgs/os-specific/linux/veikk-linux-driver/fix-6.12-build.patch b/pkgs/os-specific/linux/veikk-linux-driver/fix-6.12-build.patch
new file mode 100644
index 000000000000..feae73dd83e2
--- /dev/null
+++ b/pkgs/os-specific/linux/veikk-linux-driver/fix-6.12-build.patch
@@ -0,0 +1,26 @@
+https://github.com/torvalds/linux/commit/5f60d5f6bbc12e782fac78110b0ee62698f3b576
+---
+ veikk_vdev.c | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/veikk_vdev.c b/veikk_vdev.c
+index 9d0b49f..83e9efa 100644
+--- a/veikk_vdev.c
++++ b/veikk_vdev.c
+@@ -6,7 +6,13 @@
+  * - Set up the module parameters
+  */
+
++#include <linux/version.h>
++
++#if LINUX_VERSION_CODE < KERNEL_VERSION(6, 12, 0)
+ #include <asm/unaligned.h>
++#else
++#include <linux/unaligned.h>
++#endif
+ #include <linux/module.h>
+ #include "veikk.h"
+
+--
+2.49.0
+

From 38b936056fdeebe9d7f69d58cadd54b0dccb39b7 Mon Sep 17 00:00:00 2001
From: eljamm <fedi.jamoussi@protonmail.ch>
Date: Sun, 25 May 2025 00:37:46 +0200
Subject: [PATCH 2/2] linuxPackages.veikk-linux-driver: small improvements

- use finalAttrs
- use src.tag
- add installPhase hooks
- remove `with lib;` from meta
---
 .../linux/veikk-linux-driver/default.nix      | 22 +++++++++++--------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/pkgs/os-specific/linux/veikk-linux-driver/default.nix b/pkgs/os-specific/linux/veikk-linux-driver/default.nix
index 81111d4e710e..7663707fe662 100644
--- a/pkgs/os-specific/linux/veikk-linux-driver/default.nix
+++ b/pkgs/os-specific/linux/veikk-linux-driver/default.nix
@@ -6,15 +6,15 @@
   kernelModuleMakeFlags,
 }:
 
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "veikk-linux-driver";
   version = "2.0";
 
   src = fetchFromGitHub {
     owner = "jlam55555";
-    repo = pname;
-    rev = "v${version}";
-    sha256 = "11mg74ds58jwvdmi3i7c4chxs6v9g09r9ll22pc2kbxjdnrp8zrn";
+    repo = "veikk-linux-driver";
+    tag = "v${finalAttrs.version}";
+    sha256 = "sha256-Nn90s22yrynYFYLSlBN4aRvdISPsxBFr21yiohs5r4Y=";
   };
 
   patches = [ ./fix-6.12-build.patch ];
@@ -28,16 +28,20 @@ stdenv.mkDerivation rec {
   ];
 
   installPhase = ''
+    runHook preInstall
+
     mkdir -p $out/lib/modules/${kernel.modDirVersion}/kernel/drivers/veikk
     install -Dm755 veikk.ko $out/lib/modules/${kernel.modDirVersion}/kernel/drivers/veikk
+
+    runHook postInstall
   '';
 
-  meta = with lib; {
+  meta = {
     description = "Linux driver for VEIKK-brand digitizers";
     homepage = "https://github.com/jlam55555/veikk-linux-driver/";
-    license = licenses.gpl2Only;
-    platforms = platforms.linux;
-    maintainers = with maintainers; [ nicbk ];
+    license = lib.licenses.gpl2Only;
+    platforms = lib.platforms.linux;
+    maintainers = with lib.maintainers; [ nicbk ];
     broken = kernel.kernelOlder "4.19";
   };
-}
+})