From 2aa8d3a0567a2bbc2a17f7af70533ca3c6c04099 Mon Sep 17 00:00:00 2001
From: sctanf <36978460+sctanf@users.noreply.github.com>
Date: Thu, 25 Dec 2025 09:41:46 -0600
Subject: [PATCH] hid add "unknown" runtime state (#1693)

---
 .../main/java/dev/slimevr/tracking/trackers/hid/HIDCommon.kt   | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/server/core/src/main/java/dev/slimevr/tracking/trackers/hid/HIDCommon.kt b/server/core/src/main/java/dev/slimevr/tracking/trackers/hid/HIDCommon.kt
index 1e911b944..558256840 100644
--- a/server/core/src/main/java/dev/slimevr/tracking/trackers/hid/HIDCommon.kt
+++ b/server/core/src/main/java/dev/slimevr/tracking/trackers/hid/HIDCommon.kt
@@ -254,9 +254,10 @@ class HIDCommon {
 			}
 
 			// Assign data
-			if (runtime != null) {
+			if (runtime != null && runtime >= 0) {
 				tracker.batteryRemainingRuntime = runtime
 			}
+			// -1: Not known (e.g. not yet calculated after wake up, reusing known value is okay), 0: N/A (e.g. charging)
 			if (batt != null) {
 				tracker.batteryLevel = if (batt == 128) 1f else (batt and 127).toFloat()
 			}