commit 5b44beef5a4ff04889bcdd874dc4e8d140f3edac
author Igor Murashkin <iam@google.com> Mon Oct 08 18:05:12 2012 -0700
committer Igor Murashkin <iam@google.com> Tue Oct 09 11:04:10 2012 -0700
tree 415e5a121bb63782983a7ed125d288d140b0756d
parent 19caf26b1ab1619020aa417d7913c11fd1d5590d

Camera2: Call onAutoFocus immediately for fixed-focus cameras

Bug: 7311578
Change-Id: Ib8a8ea1f5fc269abdd24ed1e0370dc9b87b284ee

services/camera/libcameraservice/Camera2Client.cpp

diff --git a/services/camera/libcameraservice/Camera2Client.cpp b/services/camera/libcameraservice/Camera2Client.cpp
index e073e39..7a6e344 100644
--- a/services/camera/libcameraservice/Camera2Client.cpp
+++ b/services/camera/libcameraservice/Camera2Client.cpp
@@ -959,6 +959,21 @@
             return INVALID_OPERATION;
         }
 
+        /**
+          * If the camera does not support auto-focus, it is a no-op and
+          * onAutoFocus(boolean, Camera) callback will be called immediately
+          * with a fake value of success set to true.
+          */
+        if (l.mParameters.focusMode == Parameters::FOCUS_MODE_FIXED) {
+            SharedCameraClient::Lock l(mSharedCameraClient);
+            if (l.mCameraClient != 0) {
+                l.mCameraClient->notifyCallback(CAMERA_MSG_FOCUS,
+                    /*success*/1, 0);
+            }
+
+            return OK;
+        }
+
         if (l.mParameters.quirks.triggerAfWithAuto &&
                 l.mParameters.sceneMode != ANDROID_CONTROL_SCENE_MODE_UNSUPPORTED &&
                 l.mParameters.focusMode != Parameters::FOCUS_MODE_AUTO) {