[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-ID: <57480052.1070606@linux.intel.com>
Date: Fri, 27 May 2016 16:07:46 +0800
From: Lu Baolu <baolu.lu@...ux.intel.com>
To: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Cc: felipe.balbi@...ux.intel.com,
Mathias Nyman <mathias.nyman@...el.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Lee Jones <lee.jones@...aro.org>,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>, linux-usb@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 2/7] usb: mux: add generic code for dual role port mux
Hi,
On 05/27/2016 04:00 PM, Heikki Krogerus wrote:
>> I agree with you that we should move extcon out of the framework.
>> >
>> > In order to support multiport systems, I have below proposal.
>> >
>> > Currently, we have below interfaces.
>> >
>> > struct portmux_dev *portmux_register(struct portmux_desc *desc);
>> > void portmux_unregister(struct portmux_dev *pdev);
>> >
>> > I will add below ones.
>> >
>> > struct portmux_dev *portmux_lookup_by_name(char *name);
>> > int portmux_switch(struct portmux_dev *pdev, enum port_role);
>> >
>> > The normal usage mode is
>> > 1) the mux device is registered as soon as a mux is detected with
>> > portmux_register();
>> > 2) In components like USB PHY or changer drivers, the mux could
>> > be retrieved with portmux_lookup_by_name() and controlled via
>> > portmux_switch().
>> >
>> > Is this helpful?
> It works for me, and we can improve it later if needed.
Okay, thanks.
Best regards,
Lu Baolu
Powered by blists - more mailing lists