From 8b4d458ccd7f4e96c5cab8373b28316de9b802a1 Mon Sep 17 00:00:00 2001
From: Will Dietz <w@wdtz.org>
Date: Wed, 5 Dec 2018 18:19:19 -0600
Subject: [PATCH 1/2] i2c-tools: 4.0 -> 4.1

https://marc.info/?l=linux-i2c&m=154383448901807&w=2
---
 pkgs/os-specific/linux/i2c-tools/default.nix | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pkgs/os-specific/linux/i2c-tools/default.nix b/pkgs/os-specific/linux/i2c-tools/default.nix
index 3f90b91f10d..b3fd34f665e 100644
--- a/pkgs/os-specific/linux/i2c-tools/default.nix
+++ b/pkgs/os-specific/linux/i2c-tools/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "i2c-tools-${version}";
-  version = "4.0";
+  version = "4.1";
 
   src = fetchurl {
     url = "https://www.kernel.org/pub/software/utils/i2c-tools/${name}.tar.xz";
-    sha256 = "1mi8mykvl89y6liinc9jv1x8m2q093wrdc2hm86a47n524fcl06r";
+    sha256 = "1m97hpwqfaqjl9xvr4pvz2vdrsdvxbcn0nnx8pamnyc3s7pikcjp";
   };
 
   buildInputs = [ perl ];
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   '';
 
   installPhase = ''
-    make install prefix=$out
+    make install PREFIX=$out
     rm -rf $out/include # Installs include/linux/i2c-dev.h that conflics with kernel headers
   '';
 

From d60806b90bef359a8e654147e7f8c0d39ccd5476 Mon Sep 17 00:00:00 2001
From: Will Dietz <w@wdtz.org>
Date: Mon, 31 Dec 2018 11:26:07 -0600
Subject: [PATCH 2/2] i2c-toools: touchups, NFCI.  (reviewer suggestions,
 thanks!)

---
 pkgs/os-specific/linux/i2c-tools/default.nix | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/pkgs/os-specific/linux/i2c-tools/default.nix b/pkgs/os-specific/linux/i2c-tools/default.nix
index b3fd34f665e..5b061183356 100644
--- a/pkgs/os-specific/linux/i2c-tools/default.nix
+++ b/pkgs/os-specific/linux/i2c-tools/default.nix
@@ -11,13 +11,14 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ perl ];
 
-  patchPhase = ''
+  postPatch = ''
     substituteInPlace eeprom/decode-edid --replace "/usr/sbin/parse-edid" "${read-edid}/bin/parse-edid"
     substituteInPlace stub/i2c-stub-from-dump --replace "/sbin/" ""
   '';
 
-  installPhase = ''
-    make install PREFIX=$out
+  makeFlags = [ "PREFIX=${placeholder "out"}" ];
+
+  postInstall = ''
     rm -rf $out/include # Installs include/linux/i2c-dev.h that conflics with kernel headers
   '';