diff --git a/udev/90-libinput-model-quirks.hwdb b/udev/90-libinput-model-quirks.hwdb
index 04bdf9a3..a5102d2f 100644
--- a/udev/90-libinput-model-quirks.hwdb
+++ b/udev/90-libinput-model-quirks.hwdb
@@ -187,3 +187,12 @@ libinput:touchpad:input:b0003v056Ap*
 ##########################################
 libinput:name:*Trackball*:dmi:*
  LIBINPUT_MODEL_TRACKBALL=1
+
+##########################################
+# Chassis types 9 (Laptop) and 10
+# (Notebook) are expected to have working
+# lid switches
+##########################################
+libinput:name:*Lid Switch*:dmi:*:ct10:*
+libinput:name:*Lid Switch*:dmi:*:ct9:*
+ LIBINPUT_ATTR_LID_SWITCH_RELIABILITY=reliable
diff --git a/udev/parse_hwdb.py b/udev/parse_hwdb.py
index d90c90fc..102ef6c8 100755
--- a/udev/parse_hwdb.py
+++ b/udev/parse_hwdb.py
@@ -98,10 +98,16 @@ def property_grammar():
             ('LIBINPUT_ATTR_SIZE_HINT', Group(dimension('SETTINGS*'))),
             ('LIBINPUT_ATTR_RESOLUTION_HINT', Group(dimension('SETTINGS*'))),
             )
+
     size_props = [Literal(name)('NAME') - Suppress('=') - val('VALUE')
                    for name, val in sz_props]
 
-    grammar = Or(model_props + size_props);
+    reliability_tags = (Literal("reliable"))
+    reliability = [Literal('LIBINPUT_ATTR_LID_SWITCH_RELIABILITY')('NAME') -
+                         Suppress('=') -
+                         Group(OneOrMore(reliability_tags))('VALUE')]
+
+    grammar = Or(model_props + size_props + reliability)
 
     return grammar