Merge pull request #12322 from ljmf00/hwdb-accel-location-patch

Add support for ACCEL_LOCATION udev property to deal with 2 sensors

hwdb/60-sensor.hwdb

@@ -57,6 +57,12 @@
 # automatically flip their output for an upside-down display when the device
 # is held upright.
 #
+#    ACCEL_LOCATION=<location>
+#
+# where <location> is the location of the sensor. This value could be 'base'
+# or 'display'. The default, when unset, is equivalent to:
+#    ACCEL_LOCATION=display
+#
 # Sort by brand, model
 
 #########################################

hwdb/parse_hwdb.py

@@ -126,6 +126,7 @@ def property_grammar():
              ('KEYBOARD_LED_NUMLOCK', Literal('0')),
              ('KEYBOARD_LED_CAPSLOCK', Literal('0')),
              ('ACCEL_MOUNT_MATRIX', mount_matrix),
+             ('ACCEL_LOCATION', STRING),
             )
     fixed_props = [Literal(name)('NAME') - Suppress('=') - val('VALUE')
                    for name, val in props]
@@ -177,6 +178,10 @@ def check_one_default(prop, settings):
     if len(defaults) > 1:
         error('More than one star entry: {!r}', prop)
 
+def check_one_accel_location(prop, value):
+    if value not in ['base', 'display']:
+        error('Wrong accel location: {!r}', prop)
+
 def check_one_mount_matrix(prop, value):
     numbers = [s for s in value if s not in {';', ','}]
     if len(numbers) != 9:
@@ -219,6 +224,8 @@ def check_properties(groups):
                 check_one_default(prop, parsed.VALUE.SETTINGS)
             elif parsed.NAME == 'ACCEL_MOUNT_MATRIX':
                 check_one_mount_matrix(prop, parsed.VALUE)
+            elif parsed.NAME == 'ACCEL_LOCATION':
+                check_one_accel_location(prop, parsed.VALUE)
             elif parsed.NAME.startswith('KEYBOARD_KEY_'):
                 check_one_keycode(prop, parsed.VALUE)