From cdf3957180ecdf373051b0d9a6a1992694dd1b90 Mon Sep 17 00:00:00 2001
From: "Peter F. Patel-Schneider" <pfpschneider@gmail.com>
Date: Sun, 25 Sep 2022 03:46:20 -0400
Subject: [PATCH] device: add one to feature count to count ROOT feature

---
 lib/logitech_receiver/hidpp20.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/logitech_receiver/hidpp20.py b/lib/logitech_receiver/hidpp20.py
index 89916e6b..4e35ef20 100644
--- a/lib/logitech_receiver/hidpp20.py
+++ b/lib/logitech_receiver/hidpp20.py
@@ -259,7 +259,7 @@ class FeaturesArray(dict):
                     _log.warn('FEATURE_SET found, but failed to read features count')
                     return False
                 else:
-                    self.count = ord(count[:1])
+                    self.count = ord(count[:1]) + 1  # ROOT feature not included in count
                     self[FEATURE.ROOT] = 0
                     self[FEATURE.FEATURE_SET] = fs_index
                     return True