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//usr/lib/hal/scripts/linux/hal-system-lcd-set-brightness-linux
#!/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. if [ "$HAL_PROP_LAPTOP_PANEL_ACCESS_METHOD" = "pmu" ]; then hal-system-power-pmu setlcd $value if [ $? -ne 0 ]; then echo "org.freedesktop.Hal.Device.LaptopPanel.NotSupported" >&2 exit 1 fi exit 0 fi # Check for file existance and that it's writable if [ ! -w $HAL_PROP_LINUX_ACPI_PATH ]; then echo "org.freedesktop.Hal.Device.LaptopPanel.NotSupported" >&2 echo "$1 not writable!" >&2 exit 1 fi if [ "$HAL_PROP_LAPTOP_PANEL_ACCESS_METHOD" = "toshiba" ]; then # echo "brightness: {0..x}" >/proc/acpi/toshiba/lcd echo "brightness: $value" > $HAL_PROP_LINUX_ACPI_PATH elif [ "$HAL_PROP_LAPTOP_PANEL_ACCESS_METHOD" = "asus" ]; then # echo {0..15} > /proc/acpi/asus/brn # http://www.taupro.com/wiki/ChemBook/LCDdisplayPowerConfiguration echo "$value" > $HAL_PROP_LINUX_ACPI_PATH elif [ "$HAL_PROP_LAPTOP_PANEL_ACCESS_METHOD" = "panasonic" ]; then # echo {0..15} > /proc/acpi/pcc/brightness # http://readlist.com/lists/vger.kernel.org/linux-kernel/7/36405.html echo "$value" > $HAL_PROP_LINUX_ACPI_PATH elif [ "$HAL_PROP_LAPTOP_PANEL_ACCESS_METHOD" = "ibm" ]; then # echo "level {0..7}" > /proc/acpi/ibm/brightness # http://ibm-acpi.sourceforge.net/README echo "level $value" > $HAL_PROP_LINUX_ACPI_PATH elif [ "$HAL_PROP_LAPTOP_PANEL_ACCESS_METHOD" = "sony" ]; then # echo "{1..8}" > /proc/acpi/sony/brightness # http://popies.net/sonypi/2.6-sony_acpi4.patch echo "$((value + 1))" > $HAL_PROP_LINUX_ACPI_PATH elif [ "$HAL_PROP_LAPTOP_PANEL_ACCESS_METHOD" = "omnibook" ]; then # echo "{0..7}" > /proc/omnibook/lcd # http://bugzilla.gnome.org/show_bug.cgi?id=331458 echo "$value" > $HAL_PROP_LINUX_ACPI_PATH elif [ "$HAL_PROP_LAPTOP_PANEL_ACCESS_METHOD" = "sonypi" ]; then # spicctrl -B # 70 # 0..255 value="`/usr/sbin/spicctrl -B`" RETVAL=$? if [ $RETVAL != 0 ]; then echo "org.freedesktop.Hal.Device.LaptopPanel.NotSupported" >&2 exit 1; fi exit ${value} else echo "org.freedesktop.Hal.Device.LaptopPanel.NotSupported" >&2 echo "No ACPI method found" >&2 exit 1 fi exit 0