apps: Add ability to do a clean reboot

Allow a clean shutdown to end in either power off or reboot. Add a
new event SYS_REBOOT to signal it and sys_reboot() to trigger the
event. SYS_REBOOT signals a reboot request and should be listened
for alongside SYS_POWEROFF events.

Change-Id: I99ba7fb5feed2bb5a0a40a274e8466ad74fe3a43

1 files changed, 1 insertions, 0 deletions

diff --git a/firmware/backlight.c b/firmware/backlight.c
index 1284db4659..9575ecdc22 100644
--- a/firmware/backlight.c
+++ b/firmware/backlight.c
@@ -668,6 +668,7 @@ void backlight_thread(void)
 #endif /* HAVE_BUTTONLIGHT_BRIGHTNESS */
 #endif /* HAVE_BUTTON_LIGHT */
 
+            case SYS_REBOOT:
             case SYS_POWEROFF:  /* Lock backlight on poweroff so it doesn't */
                 locked = true;      /* go off before power is actually cut. */
 #if !defined(BOOTLOADER)