| # Copyright 2016 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 time |
| |
| import cros_ec_softrec_power |
| |
| |
| class veyronPower(cros_ec_softrec_power.crosEcSoftrecPower): |
| """Driver for power_state for veyron-based laptops. |
| |
| This handles the veyron laptop models, which rely on a cros EC |
| for their power_state implementation. |
| |
| Because of a bug (feature?) in the veyron EC, after powering off a |
| veyron laptop with power_state:off twice in a row, the power |
| button won't work reliably. So, for veyron, we use the EC |
| 'power on' command to implement power_state:on. |
| """ |
| |
| def _power_on_ap(self): |
| """Power on the AP after initializing recovery state.""" |
| self._interface.set('ec_uart_regexp', 'None') |
| self._interface.set('ec_uart_cmd', 'power on') |
