lightup_screen - Issue 3418029: Improve factory screen brightness

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Side by Side Diff: lightup_screen

Issue 3418029: Improve factory screen brightness (Closed) Base URL: ssh://git@gitrw.chromium.org:9222/init.git

Patch Set: Change to /usr/sbin/ Created 10 years, 2 months ago

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	1 #!/bin/sh

	2

	3 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.

	4 # Use of this source code is governed by a BSD-style license that can be

	5 # found in the LICENSE file.

	6

	7 # Always exit with 0

	8 trap "exit 0" EXIT

	9 set -e

	10

	11 for INTERFACE in "acpi_video0" "i915_backlight"; do

	12 BRIGHTNESS="/sys/class/backlight/${INTERFACE}/brightness"

	13 MAX_BRIGHTNESS="/sys/class/backlight/${INTERFACE}/max_brightness"

	14 [ ! -f "${BRIGHTNESS}" -o ! -f "${MAX_BRIGHTNESS}" ] && continue

	15 cp "${MAX_BRIGHTNESS}" "${BRIGHTNESS}"

	16 break

	17 done

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