hwdb: 60-sensor.hwdb: Add proximity sensor udev property (#14845)

Devices with proximity sensors can specify a near level that
indicates when an object is considered close to the device.

hwdb.d/60-sensor.hwdb

@@ -41,11 +41,15 @@
 #
 # Allowed properties are:
 #    ACCEL_MOUNT_MATRIX=<matrix>
+#    PROXIMITY_NEAR_LEVEL=<value>
 #
 # where <matrix> is a mount-matrix in the format specified in the IIO
 # subsystem[1]. The default, when unset, is equivalent to:
 #   ACCEL_MOUNT_MATRIX=1, 0, 0; 0, 1, 0; 0, 0, 1
 # eg. the identity matrix.
+# and <value> is an integer value above which an object is considered
+# close by a proximity sensor:
+#   PROXIMITY_NEAR_LEVEL=100
 #
 # [1]: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dfc57732ad38f93ae6232a3b4e64fd077383a0f1
 #

hwdb.d/parse_hwdb.py

@@ -128,6 +128,7 @@ def property_grammar():
              ('KEYBOARD_LED_CAPSLOCK', Literal('0')),
              ('ACCEL_MOUNT_MATRIX', mount_matrix),
              ('ACCEL_LOCATION', Or(('display', 'base'))),
+             ('PROXIMITY_NEAR_LEVEL', INTEGER),
             )
     fixed_props = [Literal(name)('NAME') - Suppress('=') - val('VALUE')
                    for name, val in props]