blob: 8ffc43bd8e0c5ba893dde16413e756d12dde7dc5 [file] [log] [blame]
# 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."
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
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.