On Tue, Jun 28, 2011 at 02:42:36AM -0700, Bharath Yadav wrote: > Hi Sarah, > > I am hoping I could get a response. I just wanted to know how does the > shifting of linux host stack/device stack take place on the OTG > controller corresponding to the switch in the ID pin values in the controller. > Does user need to trigger the change in modes from the user space ? > > Please let me know or point me to the sources/docs. I'm not an OTG expert, but someone on the Linux USB mailing list might know. I think the user has to choose which mode they want to be in, but I also think there's some sort of automatic negotiation between two OTG devices or an OTG and host only controller. Sarah Sharp -- 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