blob: bb64f02f1c9b8e1ed10f3a013ccb11d31ca0b9bd [file] [log] [blame]
# Copyright (c) 2015 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import logging
from autotest_lib.client.bin import test
from autotest_lib.client.common_lib import error
from autotest_lib.client.cros import ec as cros_ec
class usbpd_DisplayPortSink(test.test):
"""Integration test for USB-PD DisplayPort sink."""
version = 1
DP_SVID = '0xff01'
def _is_displayport(self, port):
return port.is_amode_supported(self.DP_SVID)
def _set_displayport(self, port, opos, enter):
return port.set_amode(self.DP_SVID, opos, enter)
def run_once(self, enter_reps=1):
usbpd = cros_ec.EC_USBPD()"device has %d USB-PD ports", len(usbpd.ports))
for i,port in enumerate(usbpd.ports):
if not port.is_dfp():
continue"Port %d is dfp", i)
if not self._is_displayport(port):
continue"Port %d supports dp", i)
for _ in xrange(enter_reps):
if not self._set_displayport(port, 1, False):
raise error.TestError("Failed to exit DP mode")
if not self._set_displayport(port, 1, True):
raise error.TestError("Failed to enter DP mode")