* This makes sure that any scaling is only applied to numeric values.
* Updates fan controller.
This adds support for 3 speed fans, 4 speeds fan (with choice of 3 of the 4 speeds),
fans speed of 1,2,3,4 or low,medium,mid,high, and auto.
Fans that have variable speeds, or greater than 4 speeds is not supported
at this time. HA does not support variable speed fans and more than 3 speeds.
* Revert "Updates fan controller."
This reverts commit 00352da2de72d02977d8a7d3780aabf4f28ee0fa.
Co-authored-by: Thomas Davis <tdavis@nersc.gov>