From 9d29ec7603a88056b9115796b29b5023165a93bb Mon Sep 17 00:00:00 2001
From: Todd Herbert <herbert.todd@gmail.com>
Date: Thu, 13 Jun 2024 01:06:28 +1200
Subject: [PATCH] Attempt: Send PMREQ with duration 0 on MCU deep-sleep

---
 src/gps/GPS.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/gps/GPS.cpp b/src/gps/GPS.cpp
index 8d46742baa..6a8d6d59c1 100644
--- a/src/gps/GPS.cpp
+++ b/src/gps/GPS.cpp
@@ -1131,7 +1131,8 @@ int GPS::prepareDeepSleep(void *unused)
 {
     LOG_INFO("GPS deep sleep!\n");
 
-    setAwake(false);
+    // Manually enter GPSPowerState::OFF, so we can ensure a PMREQ with duration 0 has been sent
+    setGPSPower(false, false, 0);
 
     return 0;
 }