Hi Peter, > Peter Chen <peter.chen@xxxxxxx> hat am 25. April 2017 um 10:14 geschrieben: > > Since you unplug the cable first, and plug in again. The driver will > treat it as connection but not resume event. You may use > /sys/class/udc/ci_hdrc.0/state to get udc's connection, eg "not attached" > or other states to indicate connection. Thanks for the hint. This works for me. Regards, Bernhard -- 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