From: Mathias Agopian <mathias@google.com>
Date: Wed, 7 Aug 2013 03:33:38 +0000 (-0700)
Subject: minor changes to sensor HAL interface
X-Git-Tag: android-x86-4.4-r1~35
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=af32a8d59463ddf67154cb432da232cfb185e6bc;p=android-x86%2Fhardware-libhardware.git

minor changes to sensor HAL interface

Change-Id: Idc415fd0a92482f4f4cd051b458a28d97f251f35
---

diff --git a/include/hardware/sensors.h b/include/hardware/sensors.h
index 4fd4468..6e7ac5d 100644
--- a/include/hardware/sensors.h
+++ b/include/hardware/sensors.h
@@ -70,7 +70,8 @@ enum {
  */
 enum {
     /* a previous flush operation has completed */
-    META_DATA_FLUSH_COMPLETE = 1
+    META_DATA_FLUSH_COMPLETE = 1,
+    META_DATA_VERSION   /* always last, leave auto-assigned */
 };
 
 /**
@@ -197,11 +198,11 @@ enum {
  * the HAL and are generated spontaneously, as opposed to be related to
  * a physical sensor.
  *
- *   sensors_meta_data_event_t.base.version must be 0
- *   sensors_meta_data_event_t.base.sensor must be 0
- *   sensors_meta_data_event_t.base.type must be SENSOR_TYPE_META_DATA
- *   sensors_meta_data_event_t.base.reserved must be 0
- *   sensors_meta_data_event_t.base.timestamp must be 0
+ *   sensors_meta_data_event_t.version must be META_DATA_VERSION
+ *   sensors_meta_data_event_t.sensor must be 0
+ *   sensors_meta_data_event_t.type must be SENSOR_TYPE_META_DATA
+ *   sensors_meta_data_event_t.reserved must be 0
+ *   sensors_meta_data_event_t.timestamp must be 0
  *
  * The payload is a meta_data_event_t, where:
  * meta_data_event_t.what can take the following values: