Enable/Disable some sensors when Host On/Off

[Matt Spinler]

On 10/18/2020 8:58 AM, Thu Ba Nguyen wrote:
> Dear, I'm supporting the host sensors for Ampere Computing LLC 
> platform. We are...
> This Message Is From an External Sender
> This message came from outside your organization.
>
> Dear,
>
> 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 use REMOVERCS.
>
> 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 On/Off?

Hi,
The phosphor-hwmon code doesn't support that yet.  It has been discussed 
before but nobody
has implemented it.

>
> Thanks.
> Thu Nguyen.