Re: [PATCH v8 0/6] typec: tcpm: Add sink side support for PPS

From: Greg Kroah-Hartman
Date: Tue Apr 24 2018 - 09:58:05 EST


On Mon, Apr 23, 2018 at 03:10:55PM +0100, Adam Thomson wrote:
> This patch set adds sink side support for the PPS feature introduced in the
> USB PD 3.0 specification.
>
> The source PPS supply is represented using the Power Supply framework to provide
> access and control APIs for dealing with it's operating voltage and current,
> and switching between a standard PDO and PPS APDO operation. During standard PDO
> operation the voltage and current is read-only, but for APDO PPS these are
> writable as well to allow for control.
>
> It should be noted that the keepalive for PPS is not handled within TCPM. The
> expectation is that the external user will be required to ensure re-requests
> occur regularly to ensure PPS remains and the source does not hard reset.

Sebastian, any objection from me taking this series through my USB tree?

thanks,

greg k-h