Messages in this thread | | | From | Adam Thomson <> | Subject | RE: [PATCH v4 0/7] typec: tcpm: Add sink side support for PPS | Date | Mon, 5 Feb 2018 10:30:12 +0000 |
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On 30 January 2018 13:25, Heikki Krogerus wrote:
> On Tue, Jan 02, 2018 at 03:50:48PM +0000, 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. > > Sorry for the late reply. I don't have any major problems with these > other than with 6/7. The documentation should be for the psy class, > not tcpm. I'm also not comfortable with the "select POWER_SUPPLY", but > if Guenter does not think it's a problem, I'm fine with it. I guess we > can always, for example, introduce stubs for the power_supply* > functions, and drop the dependency later. > > But as usual with tcpm.c, Guenter needs to give his ACK. > > Oh yes, and Sebastian needs to ACK the power_supply changes or course.
No problem. Thanks for your time reviewing this. Not the smallest patch set so appreciate the effort spent. Was travelling last week, but should now have a bit of free time to take a proper look at your comments and get back to you with some meaningful responses.
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