[PATCH] Add thinkfan.

[Nicolas Goaziou <mail@nicolasgoaziou.fr>]

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Hello,

I'd like to submit the following patch for inclusion. There are a few
caveats

1. It has to be run as root.

2. There is no default configuration since it is hardware-dependant, and
   it will not run without one.

3. It requires to load a kernel module with a specific option, namely:
     modprobe thinkpad_acpi fan_control=1

I guess we cannot handle any of these requirements at the package
definition level, anyway.

As icing on the cake, one could define a service to load it at boot (the
tarball contains scripts for at least 4 init systems), but my service-fu
is feeble.


Regards,

-- 
Nicolas Goaziou                                                0x80A93738

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From e82ba2f266a144e05f16cf41602b9c2bd203b3ec Mon Sep 17 00:00:00 2001
From: Nicolas Goaziou <mail@nicolasgoaziou.fr>
Date: Sat, 30 Apr 2016 10:31:13 +0200
Subject: [PATCH] gnu: Add thinkfan.

* gnu/packages/linux.scm (thinkfan): New variable.
---
 gnu/packages/linux.scm | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
index a26e641..4ed83d1 100644
--- a/gnu/packages/linux.scm
+++ b/gnu/packages/linux.scm
@@ -11,6 +11,7 @@
 ;;; Copyright © 2016 Alex Kost <alezost@gmail.com>
 ;;; Copyright © 2016 Raymond Nicholson <rain1@openmailbox.org>
 ;;; Copyright © 2016 Mathieu Lirzin <mthl@gnu.org>
+;;; Copyright © 2016 Nicolas Goaziou <mail@nicolasgoaziou.fr>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -63,6 +64,7 @@
   #:use-module (gnu packages readline)
   #:use-module (gnu packages calendar)
   #:use-module (gnu packages tls)
+  #:use-module (gnu packages freedesktop)
   #:use-module (guix packages)
   #:use-module (guix download)
   #:use-module (guix utils)
@@ -2571,3 +2573,32 @@ where they are less likely to cause damage to the spinning disc.  Requires a
 drive that supports the ATA/ATAPI-7 IDLE IMMEDIATE command with unload
 feature, and a laptop with an accelerometer.  It has no effect on SSDs.")
     (license license:gpl2)))
+
+(define-public thinkfan
+  (package
+    (name "thinkfan")
+    (version "0.9.2")
+    (source (origin
+              (method url-fetch/tarbomb)
+              (file-name (string-append name "-" version))
+              (uri (string-append "mirror://sourceforge/thinkfan/"
+                                  version "/thinkfan-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0ydgabk2758f6j64g1r9vdsd221nqsv5rwnphm81s7i2vgra1nlh"))))
+    (build-system cmake-build-system)
+    (arguments
+     `(#:tests? #f                      ;no test target
+       #:configure-flags
+       `("-DUSE_ATASMART:BOOL=ON")))
+    (inputs
+     `(("libatasmart" ,libatasmart)))
+    (home-page "http://thinkfan.sourceforge.net/")
+    (synopsis "Simple fan control program")
+    (description
+     "Thinkfan is a simple fan control program.  It reads temperatures,
+checks them against configured limits and switches to appropriate (also
+pre-configured) fan level.  It requires a working @code{thinkpad_acpi} or any
+other @code{hwmon} driver that enables temperature reading and fan control
+from userspace.")
+    (license license:gpl3+)))
-- 
2.7.4