hwmon: (adt7475) temperature smoothing

When enabled temperature smoothing allows ramping the fan speed over a
configurable period of time instead of jumping to the new speed
instantaneously.

Signed-off-by: Chris Packham <[email protected]>
Signed-off-by: Guenter Roeck <[email protected]>
This commit is contained in:
Chris Packham 2017-05-15 13:30:28 +12:00 • committed by Guenter Roeck
commit 8f05bcc33e
2 changed files with 95 additions and 0 deletions

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@ -114,6 +114,10 @@ minimum (i.e. auto_point1_pwm). This behaviour can be configured using the
pwm[1-*]_stall_disable sysfs attribute. A value of 0 means the fans will shut
off. A value of 1 means the fans will run at auto_point1_pwm.
The responsiveness of the ADT747x to temperature changes can be configured.
This allows smoothing of the fan speed transition. To set the transition time
set the value in ms in the temp[1-*]_smoothing sysfs attribute.
Notes
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