tree fa0e01b6c10d06e52a68cf5c6b0cc2e3ccc43008
parent 4c09efffc9f6aaf97d635420d6d9e1a184c1ff48
author Wai-Hong Tam <waihong@google.com> 1487360752 -0800
committer chrome-bot <chrome-bot@chromium.org> 1488225797 -0800

ccd: Get the power button state from Cr50 console

In the lab, it checks the power button state to verify the health
between DUT and servo. Though, setting power button in Cr50 console
doesn't work on all platforms, getting its value is fine. So add
back its get method.

BUG=chrome-os-partner:62904
TEST=Started servod and run "dut-control pwr_button"
TEST=Started servod and calls the servod RPC calls:
>>> import xmlrpclib
>>> c = xmlrpclib.ServerProxy('http://localhost:9999')
>>> c.power_normal_press()

Change-Id: Iec59390ff750996846afb01bd452520efb19335c
Reviewed-on: https://chromium-review.googlesource.com/445961
Commit-Ready: Wai-Hong Tam <waihong@google.com>
Tested-by: Wai-Hong Tam <waihong@google.com>
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
Reviewed-by: danny chan <dchan@chromium.org>
Reviewed-by: Todd Broch <tbroch@chromium.org>