Enable/Disable some sensors when Host On/Off

Thu Ba Nguyen tbnguyen1985 at gmail.com
Mon Oct 19 00:58:53 AEDT 2020


I'm supporting the host sensors for Ampere Computing LLC platform.
We are using phosphor-hwmon to update values of sensors and monitoring
sensors warning/errors base on threshold setting.

There are some sensors which are turned off when host Off. It can be the
sensors reported by host or voltage/temperature/power sensors  which use
the same power source with host.

I researched in openBmc sensor-architecture documents but can't find any
option to enable/disable sensors base on one status or GPIO pins. I can't

Research in phosphor-hwmon code, I don't see the answer too.

Do we have any options/solution to Enable/Disable some sensors when Host

Thu Nguyen.
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