Initialize PPR register for both channels, and set correct PPR register bits.
Also remove unnecessary variable initializations.
Signed-off-by: NChris D Schimp <silverchris@gmail.com>
[guenter.roeck@ericsson.com: Merged two patches into one]
Signed-off-by: NGuenter Roeck <guenter.roeck@ericsson.com>
Cc: stable@vger.kernel.org # 3.0+
Acked-by: NRoland Stigge <stigge@antcom.de>

RPM calculation from tachometer value does not depend on PPR.
Also, do not report negative RPM values.
Signed-off-by: NChris D Schimp <silverchris@gmail.com>
[guenter.roeck@ericsson.com: do not report negative RPM values]
Signed-off-by: NGuenter Roeck <guenter.roeck@ericsson.com>
Cc: stable@vger.kernel.org # 3.0+
Acked-by: NRoland Stigge <stigge@antcom.de>

replaced strict_strtol with kstrtol and
replaced strict_strtuol with kstrtuol

This satisfies checkpatch -f
Compile tested only: no warnings or errors given
Signed-off-by: NFrans Meulenbroeks <fransmeulenbroeks@gmail.com>
Signed-off-by: NGuenter Roeck <guenter.roeck@ericsson.com>

This patch initializes register CONFIG3 to a reasonable default PWM frequency
of 25kHz, to prevent audible sound in fan.
Signed-off-by: NRoland Stigge <stigge@antcom.de>
Signed-off-by: NGuenter Roeck <guenter.roeck@ericsson.com>

2-Channel Temperature Monitor with Dual PWM Fan-Speed Controller
Signed-off-by: NRoland Stigge <stigge@antcom.de>
Signed-off-by: NGuenter Roeck <guenter.roeck@ericsson.com>