Extend DCOP interface with new brightnessSet method

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
(cherry picked from commit 5ae13039bc)

src/tdepowersave.cpp

@@ -2946,4 +2946,16 @@ int tdepowersave::brightnessGet() {
 	return retval;
 }
 
+//! dcop funtion to set the brightness level
+void tdepowersave::brightnessSet(int percentage)
+{
+	kdDebugFuncIn(trace);
+
+	if (hwinfo->supportBrightness() && percentage >= 0 && percentage <= 100)
+	{
+		hwinfo->setBrightness(-1, percentage);
+	}
+
+	kdDebugFuncOut(trace);
+}
 #include "tdepowersave.moc"

src/tdepowersave.h

@@ -444,6 +444,8 @@ k_dcop:
         bool currentSchemeManagesDPMS();
 	//! dcop funtion to get the current brightness level
 	int brightnessGet();
+	//! dcop funtion to set the brightness level
+	void brightnessSet(int percentage);
 
 	//! dcop function to return the name of the current scheme
 	TQString currentScheme ();