From 41e66edd14bdbdbb9a8e837db4b9df7dff300051 Mon Sep 17 00:00:00 2001
From: Matthias Alphart <farmio@alphart.net>
Date: Wed, 28 Aug 2024 12:31:30 +0200
Subject: [PATCH] Set default name for KNX outgoing telegram source (#124439)

---
 homeassistant/components/knx/telegrams.py | 4 +++-
 tests/components/knx/test_telegrams.py    | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/homeassistant/components/knx/telegrams.py b/homeassistant/components/knx/telegrams.py
index a96d841a07d..f4b31fd11f9 100644
--- a/homeassistant/components/knx/telegrams.py
+++ b/homeassistant/components/knx/telegrams.py
@@ -9,7 +9,7 @@ from xknx import XKNX
 from xknx.dpt import DPTArray, DPTBase, DPTBinary
 from xknx.dpt.dpt import DPTComplexData, DPTEnumData
 from xknx.exceptions import XKNXException
-from xknx.telegram import Telegram
+from xknx.telegram import Telegram, TelegramDirection
 from xknx.telegram.apci import GroupValueResponse, GroupValueWrite
 
 from homeassistant.core import HomeAssistant
@@ -119,6 +119,8 @@ class Telegrams:
             device := self.project.devices.get(f"{telegram.source_address}")
         ) is not None:
             src_name = f"{device['manufacturer_name']} {device['name']}"
+        elif telegram.direction is TelegramDirection.OUTGOING:
+            src_name = "Home Assistant"
 
         if isinstance(telegram.payload, (GroupValueWrite, GroupValueResponse)):
             payload_data = telegram.payload.value.value
diff --git a/tests/components/knx/test_telegrams.py b/tests/components/knx/test_telegrams.py
index 2eda718f5ac..69e3208879c 100644
--- a/tests/components/knx/test_telegrams.py
+++ b/tests/components/knx/test_telegrams.py
@@ -39,7 +39,7 @@ MOCK_TELEGRAMS = [
         "dpt_name": None,
         "payload": [1, 2, 3, 4],
         "source": "0.0.0",
-        "source_name": "",
+        "source_name": "Home Assistant",
         "telegramtype": "GroupValueWrite",
         "timestamp": MOCK_TIMESTAMP,
         "unit": None,