| # Copyright (c) 2010 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. |
| |
| AUTHOR = "Chrome OS Team" |
| NAME = "power_Backlight" |
| PURPOSE = "Verify the backlight properties are correct." |
| CRITERIA = """ |
| Fail if any of the following occur: |
| - the backlight cannot be adjusted through software calls |
| - the backlight does not support at least 5 levels |
| - turning down the backlight does not use less energy |
| """ |
| TIME = "MEDIUM" |
| TEST_CATEGORY = "Functional" |
| TEST_CLASS = "power" |
| TEST_TYPE = "client" |
| |
| DOC = """ |
| This test verifies that the following properties about the backlight: |
| - The backlight can be adjusted in software using |
| the /sys/class/backlight interface |
| - The backlight must support at least five distinct levels. |
| - As you turn up the backlight from 0% -> 25% -> 50% -> 75% -> 100%, |
| each successive bump uses more energy than the previous level. |
| """ |
| |
| job.run_test("power_Backlight") |
