From: Guenter Roeck <linux@roeck-us.net>
Date: Fri, 31 Jan 2014 03:51:14 +0000 (-0800)
Subject: hwmon: (pmbus) Support per-page exponent in linear mode
X-Git-Tag: v3.14-rc2~15^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=daa436e67cd2dcac7cbb505bb4425fdfdafaa5a7;p=pandora-kernel.git

hwmon: (pmbus) Support per-page exponent in linear mode

Some chips use different exponents for sensors on different pages
or rails. Detect and store exponent per page to support this situation.

This fixes a problem with wrong voltages seen on UCD90120.

Reported-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Tested-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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