commit e763e80a8b01c0f494b9eb36e5f68925af2ba104
author Shuzhen Wang <shuzhenwang@google.com> Thu Mar 31 10:24:29 2016 -0700
committer Zhijun He <zhijunhe@google.com> Wed Dec 21 11:56:22 2016 -0800
tree 5c7f814427b6e4489a2fb08bb67422bb041d6885
parent e9fabb980d7fd119688de638739694c9e6247a95

QCamera2: HAL3: Add AF_SCENE_CHANGE vendor tag

AF_SCENE_CHANGE is used to indicate AF algorithm detects a scene change
within AF ROI (Region of Interest).

Bug: 28912374
Change-Id: I4b9d36bf9939fff0c80fb3c5824b10ed1fd5eadf

msm8998/QCamera2/HAL3/QCamera3HWI.cpp

diff --git a/msm8998/QCamera2/HAL3/QCamera3HWI.cpp b/msm8998/QCamera2/HAL3/QCamera3HWI.cpp
index 58599a6..471fb5f 100644
--- a/msm8998/QCamera2/HAL3/QCamera3HWI.cpp
+++ b/msm8998/QCamera2/HAL3/QCamera3HWI.cpp
@@ -6783,6 +6783,11 @@
         camMetadata.update(QCAMERA3_INSTANT_AEC_MODE, instant_aec_mode, 1);
     }
 
+    // AF scene change
+    IF_META_AVAILABLE(uint8_t, afSceneChange, CAM_INTF_META_AF_SCENE_CHANGE, metadata) {
+        camMetadata.update(NEXUS_EXPERIMENTAL_2016_AF_SCENE_CHANGE, afSceneChange, 1);
+    }
+
     /* In batch mode, cache the first metadata in the batch */
     if (mBatchSize && firstMetadataInBatch) {
         mCachedMetadata.clear();
@@ -8719,6 +8724,7 @@
 #ifndef USE_HAL_3_3
        ANDROID_CONTROL_POST_RAW_SENSITIVITY_BOOST,
 #endif
+       NEXUS_EXPERIMENTAL_2016_AF_SCENE_CHANGE,
        // DevCamDebug metadata result_keys_basic
        DEVCAMDEBUG_META_ENABLE,
        // DevCamDebug metadata result_keys AF