Enable/Disable some sensors when Host On/Off

[Thu Ba Nguyen]

Hi Ed Tanous,

Thanks for your info,
But in your platform we are using phosphor-hwmon to manage sensors.
We don't use entity-manager.
As I knew we can't use both entity-manager and phosphor-hwmon for one
project.

Regards
Thu Nguyen.

On Tue, Oct 20, 2020 at 12:31 AM Ed Tanous <ed at tanous.net> wrote:

> On Sun, Oct 18, 2020 at 7:00 AM Thu Ba Nguyen <tbnguyen1985 at gmail.com>
> wrote:
> >
> > Do we have any options/solution to Enable/Disable some sensors when Host
> On/Off?
>
> I believe this is already supported in the entity-manager/dbus-sensors
> stack, with the "PowerState" parameter in the EM configuration;
>
> example:
>
> https://github.com/openbmc/entity-manager/blob/def29274907ef77187b02ae19d55bb9888413892/configurations/WFT%20Baseboard.json#L6
>
> There's also mitigations for the common thresholding issues, like a
> power state change coming in during the sensor read.
>
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