/sys/devices/pci0000:00/0000:00:1a.0/usb1/1-0:1.0/ep_81
Directories:

• /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-0:1.0
• /sys/devices/pci0000:00/0000:00:1a.0/usb1/1-0:1.0/ep_81/power

Files:

• uevent
• bInterval
• interval
• type
• bmAttributes
• wMaxPacketSize
• direction
• bLength
• bEndpointAddress