diff --git a/camera/metadata/aidl/Android.bp b/camera/metadata/aidl/Android.bp
index 5872a86..2b2be55 100644
--- a/camera/metadata/aidl/Android.bp
+++ b/camera/metadata/aidl/Android.bp
@@ -11,7 +11,7 @@
     name: "android.hardware.camera.metadata",
     vendor_available: true,
     srcs: ["android/hardware/camera/metadata/*.aidl"],
-    frozen: true,
+    frozen: false,
     stability: "vintf",
     backend: {
         cpp: {
diff --git a/camera/metadata/aidl/aidl_api/android.hardware.camera.metadata/current/android/hardware/camera/metadata/CameraMetadataTag.aidl b/camera/metadata/aidl/aidl_api/android.hardware.camera.metadata/current/android/hardware/camera/metadata/CameraMetadataTag.aidl
index 71d4e41..0290aef 100644
--- a/camera/metadata/aidl/aidl_api/android.hardware.camera.metadata/current/android/hardware/camera/metadata/CameraMetadataTag.aidl
+++ b/camera/metadata/aidl/aidl_api/android.hardware.camera.metadata/current/android/hardware/camera/metadata/CameraMetadataTag.aidl
@@ -108,6 +108,11 @@
   ANDROID_FLASH_COLOR_TEMPERATURE,
   ANDROID_FLASH_MAX_ENERGY,
   ANDROID_FLASH_STATE,
+  ANDROID_FLASH_STRENGTH_LEVEL,
+  ANDROID_FLASH_SINGLE_STRENGTH_MAX_LEVEL,
+  ANDROID_FLASH_SINGLE_STRENGTH_DEFAULT_LEVEL,
+  ANDROID_FLASH_TORCH_STRENGTH_MAX_LEVEL,
+  ANDROID_FLASH_TORCH_STRENGTH_DEFAULT_LEVEL,
   ANDROID_FLASH_INFO_AVAILABLE = android.hardware.camera.metadata.CameraMetadataSectionStart.ANDROID_FLASH_INFO_START /* 327680 */,
   ANDROID_FLASH_INFO_CHARGE_DURATION,
   ANDROID_FLASH_INFO_STRENGTH_MAXIMUM_LEVEL,
diff --git a/camera/metadata/aidl/android/hardware/camera/metadata/CameraMetadataTag.aidl b/camera/metadata/aidl/android/hardware/camera/metadata/CameraMetadataTag.aidl
index 56aa690..dd679f3 100644
--- a/camera/metadata/aidl/android/hardware/camera/metadata/CameraMetadataTag.aidl
+++ b/camera/metadata/aidl/android/hardware/camera/metadata/CameraMetadataTag.aidl
@@ -560,6 +560,36 @@
      */
     ANDROID_FLASH_STATE,
     /**
+     * android.flash.strengthLevel [dynamic, int32, public]
+     *
+     * <p>Flash strength level to be used when manual flash control is active.</p>
+     */
+    ANDROID_FLASH_STRENGTH_LEVEL,
+    /**
+     * android.flash.singleStrengthMaxLevel [static, int32, public]
+     *
+     * <p>Maximum flash brightness level for manual flash control in SINGLE mode.</p>
+     */
+    ANDROID_FLASH_SINGLE_STRENGTH_MAX_LEVEL,
+    /**
+     * android.flash.singleStrengthDefaultLevel [static, int32, public]
+     *
+     * <p>Default flash brightness level for manual flash control in SINGLE mode.</p>
+     */
+    ANDROID_FLASH_SINGLE_STRENGTH_DEFAULT_LEVEL,
+    /**
+     * android.flash.torchStrengthMaxLevel [static, int32, public]
+     *
+     * <p>Maximum flash brightness level for manual flash control in TORCH mode</p>
+     */
+    ANDROID_FLASH_TORCH_STRENGTH_MAX_LEVEL,
+    /**
+     * android.flash.torchStrengthDefaultLevel [static, int32, public]
+     *
+     * <p>Default flash brightness level for manual flash control in TORCH mode</p>
+     */
+    ANDROID_FLASH_TORCH_STRENGTH_DEFAULT_LEVEL,
+    /**
      * android.flash.info.available [static, enum, public]
      *
      * <p>Whether this camera device has a