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| /openbmc/dbus-sensors/src/ |
| H A D | HwmonTempMain.cpp | 9bbeff75 Mon Dec 05 05:09:16 CST 2022 Joseph Fu <joseph.fu@quantatw.com> hwmontempsensor: Fix DBus update value after power on issue
HwmontempSensor failed to update value on DBus interface when the
state changes from off to on and these sensors are static sensors
(sensor filesystem created from device-tree setting). When the
condition is satisfied "findI2CDev == devices.end()", it does not
activate those sensors that already exist.
To fix this we move this condition to 'findI2CDev != devices.end()'.
Only check the status of activateOnly and isActive() to make sure these
sensors can be activated after power on.
Tested:
Before
```
root@qbmc:~# ipmitool power status
Chassis Power is on
root@qbmc:~# busctl get-property xyz.openbmc_project.HwmonTempSensor /xyz/openbmc_project/sensors/temperature/cputemp xyz.openbmc_project.Sensor.Value Value
d 36.625
root@qbmc:~# ipmitool power off
Chassis Power Control: Down/Off
root@qbmc:~# ipmitool power status
Chassis Power is off
root@qbmc:~# busctl get-property xyz.openbmc_project.HwmonTempSensor /xyz/openbmc_project/sensors/temperature/cputemp xyz.openbmc_project.Sensor.Value Value
d nan
root@qbmc:~# ipmitool power on
Chassis Power Control: Up/On
root@qbmc:~# ipmitool power status
Chassis Power is on
root@qbmc:~# busctl get-property xyz.openbmc_project.HwmonTempSensor /xyz/openbmc_project/sensors/temperature/cputemp xyz.openbmc_project.Sensor.Value Value
d nan
```
After
Power on this device which was already there, it can get value from
dbus property.
```
root@qbmc:~# ipmitool power status
Chassis Power is on
root@qbmc:~# busctl get-property xyz.openbmc_project.HwmonTempSensor /xyz/openbmc_project/sensors/temperature/cputemp xyz.openbmc_project.Sensor.Value Value
d 36.5
root@qbmc:~# busctl get-property xyz.openbmc_project.HwmonTempSensor /xyz/openbmc_project/sensors/temperature/cputemp xyz.openbmc_project.Sensor.Value Value
d 36.625
```
Signed-off-by: Joseph Fu <joseph.fu@quantatw.com>
Change-Id: Ic99c1f2dd292ab99656df06228210d3c714e27d5
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