| # Copyright (c) 2014 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 power_state |
| |
| |
| class CrosECPower(power_state.PowerStateDriver): |
| """Driver for power_state for boards support EC command.""" |
| def __init__(self, interface, params): |
| """Constructor. |
| |
| Args: |
| interface: driver interface object |
| params: dictionary of params |
| """ |
| super(CrosECPower, self).__init__(interface, params) |
| self._shutdown_ec_command = self._params.get('shutdown_ec_command', |
| 'apshutdown') |
| self._shutdown_delay = float(self._params.get('shutdown_delay', 0.5)) |
| |
| def _power_off(self): |
| self._interface.set('ec_uart_regexp', 'None') |
| self._interface.set('ec_uart_cmd', self._shutdown_ec_command) |
| time.sleep(self._shutdown_delay) |
