Hi, On Mon, May 07, 2018 at 11:19:40PM +0200, Mats Karrman wrote: > >> Even so, when the mux driver "set" function is called, it will just get the > >> mode argument but since the mode (TYPEC_STATE_...) is overlapping for different > >> AMs if I understand your proposal correctly, the mux also needs to know what AM > >> is active. > >> Does this imply that the mux set function signature need to change? > > My plan was actually to propose we get rid of the current mux handling > > (just leave the orientation switch) in favour of the notifications I'm > > introducing with the type-c bus for the alternate modes. The current > > mux handling is definitely not enough, and does not work in every > > scenario, like also you pointed out. > > So, the mux need to subscribe to each svid:mode pair it is interested in using > typec_altmode_register_notifier() and then use those callbacks to switch the correct > signals to the connector. And a driver for an off-the-shelf mux device could have > the translation between svid:mode pairs and mux device specific control specified by > of/acpi properties. Right? Yes. That is the plan. Would it work for you? Thanks, -- heikki -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
