tree e61017bf92b7a4a021d362379ab3504df46b15bd
parent 38dbfb59d1175ef458d006556061adeaa8751b72
author Guenter Roeck <linux@roeck-us.net> 1391140274 -0800
committer Guenter Roeck <linux@roeck-us.net> 1391404900 -0800

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>