Force screen refresh after waking from sleep

Author: jbatonnet

files/3-rinkhals/opt/rinkhals/ui/common.py

@@ -713,6 +713,8 @@ def screen_sleep_cb(e):
                     brightness = shell('cat /sys/class/backlight/backlight/brightness')
                     if brightness == '0':
                         os.system('echo 255 > /sys/class/backlight/backlight/brightness')
+                        time.sleep(1)
+                        lv.screen_active().invalidate()
 
             touch.add_event_cb(screen_sleep_cb, lv.EVENT_CODE.ALL, None)