>> Can I disable VBUS while keeping the rest of USB functional for a >> device that does not require bus power? > > unfortunately not, your device would see a disconnection. The reason is > that even though you don't really put any load on the bus, the PHY still > samples VBUS levels to know when the session is valid (VBUS > 4.4V).
What if I use a USB cable with a separate DC input for the VBUS? - Grant -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html