On 05/20/2016 06:37 AM, Oliver Neukum wrote:
On Fri, 2016-05-20 at 14:24 +0300, Heikki Krogerus wrote:
On Thu, May 19, 2016 at 04:47:17PM +0200, Oliver Neukum wrote:
Please explain. How does that express DRP but prefered master?
Sorry but I'm not sure what you mean here. If the port is capable of
being used as dual role port (DRP in the supported_data_roles file),
that is the only case where you can select the role with this file. So
I would imagine that in your case you want to make the port act as
DFP only, right? But if the port is capable of acting only as UFP, you
are stuck with that role.
How do I trigger that Try.SRC is to be used on a port?
This would be part of the USB PD protocol, ie probably outside the scope
of the class code. In my implementation, I enable Try.SRC or Try.SNK based
on the platform's preferred role.
Guenter
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