| # Copyright 2021 The ChromiumOS Authors |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| """Echo servod driver that can be used to store constants for overlays.""" |
| |
| from servo.drv import hw_driver |
| |
| |
| class echo(hw_driver.HwDriver): |
| """Driver to echo values back.""" |
| |
| def _drv_init(self): |
| """Driver specific initializer.""" |
| # pylint: disable=invalid-name |
| # Class name format needed for drv class routing in servod. |
| super(echo, self)._drv_init() |
| self._val = self._params.get("value", "unknown") |
| |
| def _get(self): |
| """Return the value.""" |
| return self._val |
