commit 48f3952ffc9bd6f4c610933d757a76020643aa52
author Jayant Chowdhary <jchowdhary@google.com> Tue Feb 12 10:02:42 2019 -0800
committer Jayant Chowdhary <jchowdhary@google.com> Tue Feb 12 11:16:17 2019 -0800
tree 3949c920732f3309a1f61574a89ceab7efcc7513
parent 70817260085b1954b02122d3479521e08daf94eb

Documentation updates to camera HAL interfaces.

Bug: 124248114

Test: mm -j64

Change-Id: If1cf0e2d464ac62e5897b8faaf4835d06c12edd8
Merged-In: Ibc2415531a16e42ae81e33c3bdb28aca08e6a5fe
Signed-off-by: Jayant Chowdhary <jchowdhary@google.com>

camera/device/3.2/ICameraDevice.hal

diff --git a/camera/device/3.2/ICameraDevice.hal b/camera/device/3.2/ICameraDevice.hal
index 1f523e4..5236bb1 100644
--- a/camera/device/3.2/ICameraDevice.hal
+++ b/camera/device/3.2/ICameraDevice.hal
@@ -148,7 +148,9 @@
      * session handle for active operations.
      *
      * @param callback Interface to invoke by the HAL for device asynchronous
-     *     events.
+     *     events. For HALs newer than version 3.2, HAL must use castFrom
+     *     method to check the exact version of callback sent by camera service.
+     *
      * @return status Status code for the operation, one of:
      *     OK:
      *         On a successful open of the camera device.