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- #!/bin/sh
- #
- # Copyright (C) 2005 Richard Hughes <richard@hughsie.com>
- #
- # This program is free software; you can redistribute it and/or modify
- # it under the terms of the GNU General Public License as published by
- # the Free Software Foundation; either version 2 of the License, or
- # (at your option) any later version.
-
- . hal-functions
-
- # Check for environment variables
- if [ -z "$HAL_PROP_LAPTOP_PANEL_ACCESS_METHOD" -a -z "$HAL_PROP_LINUX_SYSFS_PATH" ] ||
- [ -z "$HAL_PROP_LAPTOP_PANEL_NUM_LEVELS" ] ; then
- echo "org.freedesktop.Hal.Device.UnknownError" >&2
- echo "Missing or empty environment variable(s)." >&2
- echo "This script should be started by hald." >&2
- exit 1
- fi
-
- # read value for set brightness
- read value
-
- # Check for values outside range
- if [ ${value} -lt 0 ] || [ ${value} -ge $HAL_PROP_LAPTOP_PANEL_NUM_LEVELS ]; then
- echo "org.freedesktop.Hal.Device.LaptopPanel.Invalid" >&2
- echo "Brightness has to be between 0 and $((HAL_PROP_LAPTOP_PANEL_NUM_LEVELS - 1))" >&2
- exit 1
- fi
-
- export value
-
- hal_check_priv org.freedesktop.hal.power-management.lcd-panel
- hal_exec_backend
-