Add setting to hide shutdown message

Also keeps display from lighting up before shutdown,
which reduces distractions, especially at night and
when the sleep timer is used by allowing the
screen to remain dark.

Change-Id: I1c2d1966f6fb9766532adf01e8828876a871857f

1 files changed, 8 insertions, 1 deletions

diff --git a/firmware/backlight.c b/firmware/backlight.c
index e8a71af12c..1284db4659 100644
--- a/firmware/backlight.c
+++ b/firmware/backlight.c
@@ -21,6 +21,9 @@
  *
  ****************************************************************************/
 #include "config.h"
+#if !defined(BOOTLOADER)
+#include "settings.h"
+#endif
 #include <stdlib.h>
 #include "cpu.h"
 #include "kernel.h"
@@ -667,7 +670,11 @@ void backlight_thread(void)
 
             case SYS_POWEROFF:  /* Lock backlight on poweroff so it doesn't */
                 locked = true;      /* go off before power is actually cut. */
-                /* fall through */
+#if !defined(BOOTLOADER)
+                if (!global_settings.show_shutdown_message)
+                    break;
+#endif
+                /* else fall through */
 #if CONFIG_CHARGING
             case SYS_CHARGER_CONNECTED:
             case SYS_CHARGER_DISCONNECTED: