QA:Testcase USB Transfer Type Isochronous

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Contents

Description

Setup

  1. A Fedora17 machine is powered on
  2. Attach a USB webcam
  3. System should recognize this USB device

How to test

  1. Run lsusb to determin the USB webcam <bus-id>
  2. mount -t debugfs none /sys/kernel/debug
  3. cat /sys/kernel/debug/usb/usbmon/<bus-id>u

Expected Results

  1. Traffic show isochronous transfer