On Thu, 28 May 2015, Rong Wang wrote: > Thanks for this Device side information. But there's one thing I'm > still not quite sure > What's the behavior of the USB device when the VBUS is always present > while the D+/D- differential signal amplitude exceeds the > disconnection threshold (525 mV)? I don't think devices monitor the differential signal amplitude. That is, they don't care if it goes above the disconnection threshold; they only care if it is > 0 or < 0. Alan Stern -- 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
