From: Guenter Roeck <linux@roeck-us.net>
To: Oliver Neukum <oneukum@suse.com>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>,
Rajaram R <rajaram.officemail@gmail.com>,
Felipe Balbi <felipe.balbi@linux.intel.com>,
Mathias Nyman <mathias.nyman@linux.intel.com>,
Greg KH <gregkh@linuxfoundation.org>,
linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
Subject: Re: [RFC PATCHv2] usb: USB Type-C Connector Class
Date: Fri, 20 May 2016 22:51:14 -0700 [thread overview]
Message-ID: <573FF752.2080204@roeck-us.net> (raw)
In-Reply-To: <1463751447.14070.6.camel@suse.com>
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
next prev parent reply other threads:[~2016-05-21 5:51 UTC|newest]
Thread overview: 98+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-19 12:44 [RFC PATCHv2] usb: USB Type-C Connector Class Heikki Krogerus
2016-05-19 14:47 ` Oliver Neukum
2016-05-20 11:24 ` Heikki Krogerus
2016-05-20 13:37 ` Oliver Neukum
2016-05-21 5:51 ` Guenter Roeck [this message]
2016-05-21 6:43 ` Oliver Neukum
2016-05-22 15:54 ` Guenter Roeck
2016-05-23 5:34 ` Oliver Neukum
2016-05-23 13:27 ` Guenter Roeck
2016-05-23 13:58 ` Oliver Neukum
2016-05-23 14:43 ` Guenter Roeck
2016-05-23 15:55 ` Oliver Neukum
2016-05-23 16:52 ` Guenter Roeck
2016-05-24 10:08 ` Heikki Krogerus
2016-05-24 10:18 ` Oliver Neukum
2016-05-24 11:04 ` Heikki Krogerus
2016-05-19 14:48 ` Oliver Neukum
2016-05-19 15:43 ` Greg KH
2016-05-20 10:58 ` Heikki Krogerus
2016-05-19 17:53 ` Guenter Roeck
2016-05-20 10:47 ` Heikki Krogerus
2016-05-20 17:02 ` Guenter Roeck
2016-05-23 9:23 ` Heikki Krogerus
2016-05-20 14:19 ` Oliver Neukum
2016-05-23 9:57 ` Heikki Krogerus
2016-05-23 11:25 ` Oliver Neukum
2016-05-23 17:09 ` Guenter Roeck
2016-05-24 9:06 ` Oliver Neukum
2016-05-24 9:32 ` Heikki Krogerus
2016-05-24 12:51 ` Oliver Neukum
2016-05-25 11:28 ` Heikki Krogerus
2016-05-25 15:19 ` Guenter Roeck
2016-05-27 7:30 ` Heikki Krogerus
2016-05-24 13:42 ` Guenter Roeck
2016-05-25 11:30 ` Heikki Krogerus
2016-05-25 13:12 ` Guenter Roeck
2016-05-24 19:28 ` Guenter Roeck
2016-05-25 11:51 ` Heikki Krogerus
2016-05-25 13:21 ` Guenter Roeck
2016-05-25 14:04 ` Heikki Krogerus
2016-05-25 14:20 ` Oliver Neukum
2016-05-25 14:59 ` Guenter Roeck
2016-05-27 7:29 ` Heikki Krogerus
2016-05-25 18:35 ` [RFC PATCH] usb: typec: Various API updates and fixes Guenter Roeck
2016-05-27 7:55 ` Heikki Krogerus
2016-05-27 14:06 ` Guenter Roeck
2016-05-30 12:48 ` Heikki Krogerus
2016-05-30 13:19 ` [RFC PATCHv2] usb: USB Type-C Connector Class Heikki Krogerus
2016-05-30 13:59 ` Oliver Neukum
2016-05-31 8:31 ` Heikki Krogerus
2016-05-31 8:48 ` Oliver Neukum
2016-05-31 12:09 ` Heikki Krogerus
2016-05-31 12:43 ` Heikki Krogerus
2016-05-31 17:20 ` Guenter Roeck
2016-06-01 8:23 ` Heikki Krogerus
2016-06-01 8:31 ` Oliver Neukum
2016-06-01 9:04 ` Oliver Neukum
2016-06-01 13:34 ` Guenter Roeck
2016-06-02 6:24 ` Oliver Neukum
2016-06-02 6:37 ` Guenter Roeck
2016-06-02 7:43 ` Oliver Neukum
2016-05-31 17:14 ` Guenter Roeck
2016-06-01 9:26 ` Oliver Neukum
2016-06-01 23:29 ` Guenter Roeck
2016-06-02 6:30 ` Oliver Neukum
2016-06-02 8:27 ` Heikki Krogerus
2016-06-02 10:18 ` Heikki Krogerus
2016-06-02 16:12 ` Guenter Roeck
2016-06-03 13:21 ` Heikki Krogerus
2016-06-03 13:51 ` Guenter Roeck
2016-06-03 15:17 ` Heikki Krogerus
2016-06-03 18:39 ` Guenter Roeck
2016-06-06 13:28 ` Heikki Krogerus
2016-06-06 13:35 ` Oliver Neukum
2016-06-07 8:23 ` Heikki Krogerus
2016-06-07 16:57 ` Guenter Roeck
2016-06-02 8:02 ` Heikki Krogerus
2016-06-03 20:20 ` Pavel Machek
2016-06-06 13:45 ` Heikki Krogerus
2016-06-06 14:41 ` Greg KH
2016-06-07 8:25 ` Heikki Krogerus
2016-06-06 16:02 ` Guenter Roeck
2016-06-10 14:34 ` [RFC PATCHv3] " Heikki Krogerus
2016-06-11 7:05 ` Oliver Neukum
2016-06-11 18:03 ` Guenter Roeck
2016-06-13 7:49 ` Heikki Krogerus
2016-06-13 7:48 ` Heikki Krogerus
2016-06-21 13:08 ` [RFC PATCHv2] " Oliver Neukum
2016-06-21 13:24 ` Guenter Roeck
2016-06-21 19:43 ` Oliver Neukum
2016-06-21 21:37 ` Guenter Roeck
2016-06-21 13:58 ` Heikki Krogerus
2016-06-21 20:43 ` Oliver Neukum
2016-06-22 9:31 ` Heikki Krogerus
2016-06-22 10:08 ` Oliver Neukum
2016-06-22 11:19 ` Heikki Krogerus
2016-08-07 21:37 ` Pavel Machek
2016-08-08 8:52 ` Oliver Neukum
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