data: Add vibration API

The API is meant to trigger the given vibration pattern on the haptic
device. The pattern is sequence of relative amplitude and duration
pairs. A magnitude of 0.0 indicates a pause.

Signed-off-by: Guido Günther <agx@sigxcpu.org>

data/meson.build

@@ -4,7 +4,10 @@ namespace = 'LfbGdbus'
 
 generated_dbus_sources = []
 
-dbus_interfaces = [ 'org.sigxcpu.Feedback.xml' ]
+dbus_interfaces = [
+  'org.sigxcpu.Feedback.xml',
+  'org.sigxcpu.Feedback.Haptic.xml',
+]
 
 generated_dbus_sources += gnome.gdbus_codegen('lfb-gdbus',
       sources          : dbus_interfaces,