diff --git a/include/hardware/camera3.h b/include/hardware/camera3.h
index ddb7426..01203ff 100644
--- a/include/hardware/camera3.h
+++ b/include/hardware/camera3.h
@@ -21,17 +21,17 @@
 #include "camera_common.h"
 
 /**
- * Camera device HAL 3.0 [ CAMERA_DEVICE_API_VERSION_3_0 ]
+ * Camera device HAL 3.1 [ CAMERA_DEVICE_API_VERSION_3_1 ]
  *
  * EXPERIMENTAL.
  *
  * Supports the android.hardware.Camera API.
  *
  * Camera devices that support this version of the HAL must return
- * CAMERA_DEVICE_API_VERSION_3_0 in camera_device_t.common.version and in
+ * CAMERA_DEVICE_API_VERSION_3_1 in camera_device_t.common.version and in
  * camera_info_t.device_version (from camera_module_t.get_camera_info).
  *
- * Camera modules that may contain version 3.0 devices must implement at least
+ * Camera modules that may contain version 3.1 devices must implement at least
  * version 2.0 of the camera module interface (as defined by
  * camera_module_t.common.module_api_version).
  *
diff --git a/include/hardware/camera_common.h b/include/hardware/camera_common.h
index 62c5740..a2171ce 100644
--- a/include/hardware/camera_common.h
+++ b/include/hardware/camera_common.h
@@ -91,6 +91,7 @@
 #define CAMERA_DEVICE_API_VERSION_2_0 HARDWARE_DEVICE_API_VERSION(2, 0)
 #define CAMERA_DEVICE_API_VERSION_2_1 HARDWARE_DEVICE_API_VERSION(2, 1)
 #define CAMERA_DEVICE_API_VERSION_3_0 HARDWARE_DEVICE_API_VERSION(3, 0)
+#define CAMERA_DEVICE_API_VERSION_3_1 HARDWARE_DEVICE_API_VERSION(3, 1)
 
 // Device version 2.x is outdated; device version 3.0 is experimental
 #define CAMERA_DEVICE_API_VERSION_CURRENT CAMERA_DEVICE_API_VERSION_1_0