From 7672868d236fc87b63de3d3ea5172166ecde4055 Mon Sep 17 00:00:00 2001
From: Yin-Chia Yeh <yinchiayeh@google.com>
Date: Fri, 19 Jan 2018 11:39:39 -0800
Subject: [PATCH] Camera: codegen NDK API update

Add new EXTERNAL hardware level

Bug: 64874137 63873538
Change-Id: I33fb65ba673611c7c231eeb00ae533007f886692
---
 .../include/camera/NdkCameraMetadataTags.h    | 31 +++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/camera/ndk/include/camera/NdkCameraMetadataTags.h b/camera/ndk/include/camera/NdkCameraMetadataTags.h
index 6e861a69df..0e5857aeae 100644
--- a/camera/ndk/include/camera/NdkCameraMetadataTags.h
+++ b/camera/ndk/include/camera/NdkCameraMetadataTags.h
@@ -7387,6 +7387,37 @@ typedef enum acamera_metadata_enum_acamera_info_supported_hardware_level {
      */
     ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL_3                          = 3,
 
+    /**
+     * <p>This camera device is backed by an external camera connected to this Android device.</p>
+     * <p>The device has capability identical to a LIMITED level device, with the following
+     * exceptions:</p>
+     * <ul>
+     * <li>The device may not report lens/sensor related information such as<ul>
+     * <li>ACAMERA_LENS_FOCAL_LENGTH</li>
+     * <li>ACAMERA_LENS_INFO_HYPERFOCAL_DISTANCE</li>
+     * <li>ACAMERA_SENSOR_INFO_PHYSICAL_SIZE</li>
+     * <li>ACAMERA_SENSOR_INFO_WHITE_LEVEL</li>
+     * <li>ACAMERA_SENSOR_BLACK_LEVEL_PATTERN</li>
+     * <li>ACAMERA_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT</li>
+     * <li>ACAMERA_SENSOR_ROLLING_SHUTTER_SKEW</li>
+     * </ul>
+     * </li>
+     * <li>The device will report 0 for ACAMERA_SENSOR_ORIENTATION</li>
+     * <li>The device has less guarantee on stable framerate, as the framerate partly depends
+     *   on the external camera being used.</li>
+     * </ul>
+     *
+     * @see ACAMERA_LENS_FOCAL_LENGTH
+     * @see ACAMERA_LENS_INFO_HYPERFOCAL_DISTANCE
+     * @see ACAMERA_SENSOR_BLACK_LEVEL_PATTERN
+     * @see ACAMERA_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT
+     * @see ACAMERA_SENSOR_INFO_PHYSICAL_SIZE
+     * @see ACAMERA_SENSOR_INFO_WHITE_LEVEL
+     * @see ACAMERA_SENSOR_ORIENTATION
+     * @see ACAMERA_SENSOR_ROLLING_SHUTTER_SKEW
+     */
+    ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL_EXTERNAL                   = 4,
+
 } acamera_metadata_enum_android_info_supported_hardware_level_t;