On Mon, 7 Dec 2015, Josh Triplett wrote: > The following files appear under the power directory when plugged in via > the dock: > > ~$ head /sys/devices/pci0000:00/0000:00:14.0/usb2/2-3/2-3.1/2-3.1.2/2-3.1.2:1.1/power/* > ==> /sys/devices/pci0000:00/0000:00:14.0/usb2/2-3/2-3.1/2-3.1.2/2-3.1.2:1.1/power/async <== > enabled > > ==> /sys/devices/pci0000:00/0000:00:14.0/usb2/2-3/2-3.1/2-3.1.2/2-3.1.2:1.1/power/runtime_active_kids <== > 0 > > ==> /sys/devices/pci0000:00/0000:00:14.0/usb2/2-3/2-3.1/2-3.1.2/2-3.1.2:1.1/power/runtime_enabled <== > enabled > > ==> /sys/devices/pci0000:00/0000:00:14.0/usb2/2-3/2-3.1/2-3.1.2/2-3.1.2:1.1/power/runtime_status <== > suspended > > ==> /sys/devices/pci0000:00/0000:00:14.0/usb2/2-3/2-3.1/2-3.1.2/2-3.1.2:1.1/power/runtime_usage <== > 0 You're looking at the wrong files. The files to monitor are the ones in /sys/devices/pci0000:00/0000:00:14.0/usb2/2-3/2-3.1/2-3.1.2/power (assuming that this device really is the mouse and not something else). Handy shortcut link: /sys/bus/usb/devices/2-3.1.2/power. For more information on what's happening, try collecting a usbmon trace for bus 2 (see Documentation/usb/usbmon.txt). 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