org.freedesktop.UPower.KbdBacklight: UPower Reference Manual

org.freedesktop.UPower.KbdBacklight

org.freedesktop.UPower.KbdBacklight — KbdBacklight interface

GetMaxBrightness (out 'i' value)
GetBrightness    (out 'i' value)
SetBrightness    (in  'i' value)

BrightnessChanged           ('i' value)
BrightnessChangedWithSource ('i' value,
                             's' source)

Objects implementing org.freedesktop.UPower.KbdBacklight also implements org.freedesktop.DBus.Introspectable, org.freedesktop.DBus.Properties

org.freedesktop.UPower.KbdBacklight is a DBus interface implemented by UPower. It allows the keyboard backlight (if present) to be controlled.

GetMaxBrightness (out 'i' value)

Get the maximum brightness level for the keyboard backlight.

value:

The maximum value of the keyboard backlight brightness.

org.freedesktop.UPower.GeneralError:

if an error occurred while getting the maximum brightness

GetBrightness (out 'i' value)

Get the brightness level of the keyboard backlight.

value:

The current value of the keyboard backlight brightness.

org.freedesktop.UPower.GeneralError:

if an error occurred while getting the brightness

SetBrightness (in  'i' value)

Set the brightness level of the keyboard backlight.

value:

The value to set the KbdBacklight brightness.

org.freedesktop.UPower.GeneralError:

if an error occurred while setting the brightness

BrightnessChanged ('i' value)

The keyboard backlight brightness level has changed.

value:

The new brightness value of the keyboard backlight.

BrightnessChangedWithSource ('i' value,
                             's' source)

The keyboard backlight brightness level has changed including information about the source of the change.

`value`:	The new brightness value of the keyboard backlight.
`source`:	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).