commit 35d26d76cfbf2bfa33a968a2fa0a9184a307793f
author TreeHugger Robot <treehugger-gerrit@google.com> Mon Feb 22 17:17:32 2021 +0000
committer Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> Mon Feb 22 17:17:32 2021 +0000
tree ef0cb2270bc2712376f3f7d5ab9876fc10c2212b
parent 16b3e75715358e2b5197390da96d2f92226835bb
parent ad33f38cc2507edcd2f805a03c3fe83cce8e069e

Merge "Update doc for PERF_VEHICLE_SPEED" into sc-dev am: ad33f38cc2

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/13591481

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Idfe2f281cbbdf0a423b7c58423845d5a4bdb5278

automotive/vehicle/2.0/types.hal

diff --git a/automotive/vehicle/2.0/types.hal b/automotive/vehicle/2.0/types.hal
index ed75e1d..e3fd16d 100644
--- a/automotive/vehicle/2.0/types.hal
+++ b/automotive/vehicle/2.0/types.hal
@@ -354,6 +354,12 @@
     /**
      * Speed of the vehicle
      *
+     * The value must be positive when the vehicle is moving forward and negative when
+     * the vehicle is moving backward. This value is independent of gear value
+     * (CURRENT_GEAR or GEAR_SELECTION), for example, if GEAR_SELECTION is GEAR_NEUTRAL,
+     * PERF_VEHICLE_SPEED is positive when the vehicle is moving forward, negative when moving
+     * backward, and zero when not moving.
+     *
      * @change_mode VehiclePropertyChangeMode:CONTINUOUS
      * @access VehiclePropertyAccess:READ
      * @unit VehicleUnit:METER_PER_SEC