From 27cf1cdf150fbbf409286c631f873d8634f9ef6d Mon Sep 17 00:00:00 2001
From: Marc Altmann <40744649+MarcA711@users.noreply.github.com>
Date: Tue, 28 Nov 2023 01:13:12 +0100
Subject: [PATCH] Fix path of device tree on HassOS add on (#8764)

* fix device tree path for HassOS

* fix symlink call

* fix formatting
---
 frigate/detectors/plugins/rknn.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/frigate/detectors/plugins/rknn.py b/frigate/detectors/plugins/rknn.py
index 38beec3b2..01c58b94d 100644
--- a/frigate/detectors/plugins/rknn.py
+++ b/frigate/detectors/plugins/rknn.py
@@ -42,6 +42,11 @@ class Rknn(DetectionApi):
     type_key = DETECTOR_KEY
 
     def __init__(self, config: RknnDetectorConfig):
+        # create symlink for Home Assistant add on
+        if not os.path.isfile("/proc/device-tree/compatible"):
+            if os.path.isfile("/device-tree/compatible"):
+                os.symlink("/device-tree/compatible", "/proc/device-tree/compatible")
+
         # find out SoC
         try:
             with open("/proc/device-tree/compatible") as file: