From 942c1a927bf296fd64fd49f04c5a8f66bb14446b Mon Sep 17 00:00:00 2001
From: =?utf8?q?Per=20Dal=C3=A9n?= <per.dalen@appeartv.com>
Date: Thu, 26 May 2011 09:08:53 -0400
Subject: [PATCH] hwmon: (max6642): Better chip detection schema

Improve detection of MAX6642 by reading non existing registers (0x04, 0x06
and 0xff). Reading those registers returns the previously read value.

Signed-off-by: Per Dalen <per.dalen@appeartv.com>
[guenter.roeck@ericsson.com: added second set of register reads]
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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Reading git-format-patch failed