From f85343012a7031216c77ae10931fc82f39886af3 Mon Sep 17 00:00:00 2001
From: Phil Howard <phil@gadgetoid.com>
Date: Wed, 6 Jul 2022 14:25:42 +0100
Subject: [PATCH] PicoGraphics: Power off added for UC8151.

---
 drivers/uc8151/uc8151.hpp                         | 2 +-
 libraries/pico_graphics/pico_graphics.hpp         | 1 +
 micropython/modules/picographics/picographics.cpp | 2 ++
 3 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/uc8151/uc8151.hpp b/drivers/uc8151/uc8151.hpp
index 4f1fd7b2..7c43c1f7 100644
--- a/drivers/uc8151/uc8151.hpp
+++ b/drivers/uc8151/uc8151.hpp
@@ -157,10 +157,10 @@ namespace pimoroni {
   public:
     void busy_wait();
     void reset();
-    void power_off();
   
     // DisplayDriver API
     bool is_busy() override;
+    void power_off() override;
     void update(PicoGraphics *graphics) override;
     void partial_update(PicoGraphics *graphics, Rect region) override;
     bool set_update_speed(int update_speed) override;
diff --git a/libraries/pico_graphics/pico_graphics.hpp b/libraries/pico_graphics/pico_graphics.hpp
index c263a35b..8a18efb2 100644
--- a/libraries/pico_graphics/pico_graphics.hpp
+++ b/libraries/pico_graphics/pico_graphics.hpp
@@ -432,6 +432,7 @@ namespace pimoroni {
       virtual bool set_update_speed(int update_speed) {return false;};
       virtual void set_backlight(uint8_t brightness) {};
       virtual bool is_busy() {return false;};
+      virtual void power_off() {};
       virtual void cleanup() {};
   };
 
diff --git a/micropython/modules/picographics/picographics.cpp b/micropython/modules/picographics/picographics.cpp
index ded6ae33..915d4262 100644
--- a/micropython/modules/picographics/picographics.cpp
+++ b/micropython/modules/picographics/picographics.cpp
@@ -454,6 +454,8 @@ mp_obj_t ModPicoGraphics_update(mp_obj_t self_in) {
     #endif
     }
 
+    self->display->power_off();
+
     return mp_const_none;
 }