The following revision refers to this bug:
  https://chrome-internal.googlesource.com/chromeos/overlays/overlay-eve-private/+/0c5fe565eb7c8277e3888edd022e5bffacf26042

commit 0c5fe565eb7c8277e3888edd022e5bffacf26042
Author: Chih-Yu Huang <akahuang@google.com>
Date: Wed Apr 12 18:35:30 2017

The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/graphyte/+/a41e565e216465f30d556a33205d27d7b90bdcc9

commit a41e565e216465f30d556a33205d27d7b90bdcc9
Author: Chih-Yu Huang <akahuang@google.com>
Date: Tue Apr 18 12:34:26 2017

n1914a: support multiple port.

Originally keysight n1914a plugin only support measurement of
port A. Now we support port A and port B.

BUG= chromium:707213 
TEST=none

Change-Id: Ifd27c27e2cb5548c329a608098a2d9d02b9cbecb
Reviewed-on: https://chromium-review.googlesource.com/464587
Commit-Ready: Chih-Yu Huang <akahuang@chromium.org>
Tested-by: Chih-Yu Huang <akahuang@chromium.org>
Reviewed-by: Wei-Han Chen <stimim@chromium.org>

[modify] https://crrev.com/a41e565e216465f30d556a33205d27d7b90bdcc9/graphyte/inst/keysight/n1914a.py
[modify] https://crrev.com/a41e565e216465f30d556a33205d27d7b90bdcc9/graphyte/inst/keysight/n1914a.json