diff -r 63c6a720cb97 -r 069bbd5ee3e4 lib/unigraphic/SSD1322.cpp
--- a/lib/unigraphic/SSD1322.cpp	Tue Oct 27 21:48:28 2020 +0100
+++ b/lib/unigraphic/SSD1322.cpp	Sun Nov 01 22:10:10 2020 +0100
@@ -428,12 +428,22 @@
 // reset and init the lcd controller
 void SSD1322::init()
 {
-    /* Start Initial Sequence ----------------------------------------------------*/
-    for (uint16_t ind=0; ind < sizeof(oledInit); ) {
+  /* Start Initial Sequence ----------------------------------------------------*/
+  for (uint16_t ind=0; ind < sizeof(oledInit); ) {
 	wr_cmd8(oledInit[ind++]);
 	uint8_t dataSize = oledInit[ind++];
 	while (dataSize--) {
 	    wr_data8(oledInit[ind++]);
 	}
-    }
- }
+  }
+}
+
+void SSD1322::power_off()
+{
+	wr_cmd8(SSD1322_CMD_SET_DISPLAY_OFF);
+}
+
+void SSD1322::power_on()
+{
+	wr_cmd8(SSD1322_CMD_SET_DISPLAY_ON);
+}