From 65e790a48c7c50ef56d40f3a0ec45a88dca9006b Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <andrew@tridgell.net>
Date: Sun, 19 Apr 2020 09:01:48 +1000
Subject: [PATCH] GCS_MAVLink: invalidate param count on set of ENABLE param

---
 libraries/GCS_MAVLink/GCS_Param.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libraries/GCS_MAVLink/GCS_Param.cpp b/libraries/GCS_MAVLink/GCS_Param.cpp
index 3841e900b6..822392a700 100644
--- a/libraries/GCS_MAVLink/GCS_Param.cpp
+++ b/libraries/GCS_MAVLink/GCS_Param.cpp
@@ -298,6 +298,10 @@ void GCS_MAVLINK::handle_param_set(const mavlink_message_t &msg)
     // save the change
     vp->save(force_save);
 
+    if (force_save && (parameter_flags & AP_PARAM_FLAG_ENABLE)) {
+        AP_Param::invalidate_count();
+    }
+    
     AP_Logger *logger = AP_Logger::get_singleton();
     if (logger != nullptr) {
         logger->Write_Parameter(key, vp->cast_to_float(var_type));