linux-kernel - ncpXXxh103 compensation values?

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Message-ID: <56FBDCBD.7080802@gmail.com>
Date:	Wed, 30 Mar 2016 16:03:41 +0200
From:	Maxime Jayat <jayatmaxime@...il.com>
To:	Joseph McNally <jmcna06@...il.com>
Cc:	Jean Delvare <jdelvare@...e.de>,
	Guenter Roeck <linux@...ck-us.net>, lm-sensors@...sensors.org,
	linux-kernel@...r.kernel.org
Subject: ncpXXxh103 compensation values?

Hello Joseph,

You recently added support for the ncpXXxh103 in 
drivers/hwmon/ntc_thermistor.c with the following array of values:

+static const struct ntc_compensation ncpXXxh103[] = { 
+	{ .temp_c	= -40, .ohm	= 247565 }, 
+	{ .temp_c	= -35, .ohm	= 181742 }, 
+	{ .temp_c	= -30, .ohm	= 135128 }, 
+	{ .temp_c	= -25, .ohm	= 101678 }, 
+	{ .temp_c	= -20, .ohm	= 77373 }, 
+	{ .temp_c	= -15, .ohm	= 59504 }, 
+	{ .temp_c	= -10, .ohm	= 46222 }, 
+	{ .temp_c	= -5, .ohm	= 36244 }, 
+	{ .temp_c	= 0, .ohm	= 28674 }, 
+	{ .temp_c	= 5, .ohm	= 22878 }, 
+	{ .temp_c	= 10, .ohm	= 18399 }, 
+	{ .temp_c	= 15, .ohm	= 14910 }, 
+	{ .temp_c	= 20, .ohm	= 12169 }, 
+	{ .temp_c	= 25, .ohm	= 10000 }, 
+	{ .temp_c	= 30, .ohm	= 8271 }, 
+	{ .temp_c	= 35, .ohm	= 6883 }, 
+	{ .temp_c	= 40, .ohm	= 5762 }, 
+	{ .temp_c	= 45, .ohm	= 4851 }, 
+	{ .temp_c	= 50, .ohm	= 4105 }, 
+	{ .temp_c	= 55, .ohm	= 3492 }, 
+	{ .temp_c	= 60, .ohm	= 2985 }, 
+	{ .temp_c	= 65, .ohm	= 2563 }, 
+	{ .temp_c	= 70, .ohm	= 2211 }, 
+	{ .temp_c	= 75, .ohm	= 1915 }, 
+	{ .temp_c	= 80, .ohm	= 1666 }, 
+	{ .temp_c	= 85, .ohm	= 1454 }, 
+	{ .temp_c	= 90, .ohm	= 1275 }, 
+	{ .temp_c	= 95, .ohm	= 1121 }, 
+	{ .temp_c	= 100, .ohm	= 990 }, 
+	{ .temp_c	= 105, .ohm	= 876 }, 
+	{ .temp_c	= 110, .ohm	= 779 }, 
+	{ .temp_c	= 115, .ohm	= 694 }, 
+	{ .temp_c	= 120, .ohm	= 620 }, 
+	{ .temp_c	= 125, .ohm	= 556 }, 
+}; 
+ 

Where are these taken from? 
Unlike the other thermistors in the file, these values don't seem to
match anything in the Murata NTC Thermistor Datasheet.
See:
http://www.murata.com/~/media/webrenewal/support/library/catalog/products/thermistor/ntc/r44e.ashx

-- 
Maxime Jayat