]> org.freedesktop.UPower.KbdBacklight is a DBus interface implemented by UPower. It allows the keyboard backlight (if present) to be controlled. The object path "/org/freedesktop/UPower/KbdBacklight" is going to be deprecated in the future. The new object path is based on this, but the suffix of the path is the device name. For example: The interface is: org.freedesktop.UPower.KbdBacklight The object path will be: /org/freedesktop/UPower/KbdBacklight/tpacpiookbd_backlight The maximum value of the keyboard backlight brightness. Get the maximum brightness level for the keyboard backlight. if an error occurred while getting the maximum brightness The current value of the keyboard backlight brightness. Get the brightness level of the keyboard backlight. if an error occurred while getting the brightness The value to set the KbdBacklight brightness. Set the brightness level of the keyboard backlight. if an error occurred while setting the brightness OS specific native path of the keyboard backlight LED device. On Linux this is the sysfs path, for example /sys/devices/platform/thinkpad_acpi/leds/tpacpi\:\:kbd_backlight. The new brightness value of the keyboard backlight. The keyboard backlight brightness level has changed. The new brightness value of the keyboard backlight. Source of the keyboard backlight brightness change, either "external" if SetBrightness was called, or "internal" if the hardware changed the keyboard brightness itself (automatically or through a firmware-handled hotkey being pressed). The keyboard backlight brightness level has changed including information about the source of the change.