Re: [PATCHv3 1/2] usb: USB Type-C connector class

From: Oliver Neukum
Date: Wed Jun 22 2016 - 07:54:46 EST


On Wed, 2016-06-22 at 13:03 +0300, Heikki Krogerus wrote:
> On Wed, Jun 22, 2016 at 12:50:16PM +0300, Heikki Krogerus wrote:
>
> > But if the port is DRP, we will always be able to swap the data role
> > between DFP and UFP.
>
> Just to clarify: DRP as it's defined in Type-C spec < 1.2 means the
> data role, not power role. And that is what Universal Serial Bus
> Type-CTM Port Controller specification is based on. Please correct me
> if I'm wrong.

Understood. That is exactly the problem. That spec defines two ways
to support host and client.

Regards
Oliver