tree 0db30dda90474f68bc7ab5dd923933b8b870c3a1
parent 1826c7305524839afcfb0e5371132c42243538bc
author Jolie Ku <jolie_ku@wistron.com> 1599620506 +0800
committer Jolie Ku <jolie_ku@wistron.com> 1600313811 +0800

monitor: Mark a fan with a missing dbus sensor as nonfunctional

When fan monitor starts up and retrieves the tach feedback
sensor values from dbus, the associated fan should be marked
nonfunctional when the sensor value is not found on dbus.

Tested:
    run phosphor-fan-monitor --monitor will mark missing
    tach sensor and associated fan as non-functional upon
    poweron in witherspoon qemu

Change-Id: I3be24504223d3bd9efe8c4306548d6cca93d8224
Signed-off-by: Jolie Ku <jolie_ku@wistron.com>