print zone failsafe reason when enter failsafe mode
Tested:
```
Jun 24 01:52:45 bmc sel-logger[640]: cpu0_nbm critical high threshold assert. Reading=49.000000 Threshold=45.000000.
Jun 24 01:52:46 bmc swampd[2944]: Zone 2 fans, entering failsafe mode, output pwm: 100
Jun 24 01:52:46 bmc swampd[2944]: Fail sensor: cpu0_nbm, reason: Sensor threshold asserted
Jun 24 01:52:46 bmc swampd[2944]: Zone 0 fans, entering failsafe mode, output pwm: 100
Jun 24 01:52:46 bmc swampd[2944]: Fail sensor: cpu0_nbm, reason: Sensor threshold asserted
```
Signed-off-by: Harvey Wu <Harvey.Wu@quantatw.com>
Change-Id: I607d01b6bed11b00a40153db6521a9c9d23da519
diff --git a/sensors/pluggable.cpp b/sensors/pluggable.cpp
index 530737d..da0b2f8 100644
--- a/sensors/pluggable.cpp
+++ b/sensors/pluggable.cpp
@@ -39,4 +39,9 @@
return _reader->getFailed();
}
+std::string PluggableSensor::getFailReason(void)
+{
+ return _reader->getFailReason();
+}
+
} // namespace pid_control