tree 968a6a326d2ccf4dac30deb5c786a2ae6833ba3b
parent d64038262e4c8743ae774efde7a8e91544ed359b
author Matthew Barth <msbarth@us.ibm.com> 1487375336 -0600
committer Matthew Barth <msbarth@us.ibm.com> 1489603585 -0500

Enable tach signal handler

Register and handle tach change signals for each tach sensor.
Inventory would be updated when all tach sensors for a specific fan
enclosure have a tach value of zero.

Change-Id: Idd3f53c29c68c6171d858e616fbfe868f30a4ea9
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>