From 4506cd91eb6aae4f75e64943d59f108fc0efcfdd Mon Sep 17 00:00:00 2001
From: Orne Brocaar <info@brocaar.com>
Date: Tue, 10 Oct 2023 10:43:43 +0100
Subject: [PATCH] Use region default rx2 freq if device-session rx2 freq == 0.

---
 chirpstack/src/downlink/data.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/chirpstack/src/downlink/data.rs b/chirpstack/src/downlink/data.rs
index a0949753..ab4afd8b 100644
--- a/chirpstack/src/downlink/data.rs
+++ b/chirpstack/src/downlink/data.rs
@@ -2170,7 +2170,11 @@ impl Data {
         let mut tx_info = gw::DownlinkTxInfo {
             board: gw_down.board,
             antenna: gw_down.antenna,
-            frequency: self.device_session.rx2_frequency,
+            frequency: if self.device_session.rx2_frequency == 0 {
+                self.region_conf.get_defaults().rx2_frequency
+            } else {
+                self.device_session.rx2_frequency
+            },
             context: gw_down.context.clone(),
             ..Default::default()
         };