Messages in this thread | | | Subject | Re: [PATCH 2/3] usb: type-c: USB Type-C Connector System Software Interface | From | Oliver Neukum <> | Date | Tue, 16 Feb 2016 14:39:47 +0100 |
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On Tue, 2016-02-16 at 11:22 +0200, Heikki Krogerus wrote: > > That question has not been answered. It would be awkward for the OS > > to find itself in the slave role, which it is ill equipped for. So > > the data role should be switched before the new device is announced > > to user space. How is that handled? > > In the class driver, once we add support for preselecting the role, > when the connection happens we compare the initial role to the > preselected one and execute swap if it differs. Only after that we > notify userspace.
Yes, but we need an API. We can't keep adding to it. So if that is to be supported, it needs to be defined now.
Regards Oliver
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