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hwmon: (max6639) Fix FAN_FROM_REG calculation
authorChris D Schimp <silverchris@gmail.com>
Mon, 20 Feb 2012 21:59:24 +0000 (16:59 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 1 Mar 2012 00:33:37 +0000 (16:33 -0800)
commite1efaccd1c67efe24e3708c916e51330bf770299
tree79b3270bea72059e87f9b0971629a32f7b207b87tree | snapshot
parent251ebc7bb45c7e27b8868b13fb56fedeedfc1da4commit | diff
hwmon: (max6639) Fix FAN_FROM_REG calculation

commit b63d97a36edb1aecf8c13e5f5783feff4d64c24b upstream.

RPM calculation from tachometer value does not depend on PPR.
Also, do not report negative RPM values.

Signed-off-by: Chris D Schimp <silverchris@gmail.com>
[guenter.roeck@ericsson.com: do not report negative RPM values]
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Acked-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/hwmon/max6639.c diff | blob | history
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