diff --git a/broadcastradio/1.1/ITunerCallback.hal b/broadcastradio/1.1/ITunerCallback.hal
index 158e217..b1c5b01 100644
--- a/broadcastradio/1.1/ITunerCallback.hal
+++ b/broadcastradio/1.1/ITunerCallback.hal
@@ -28,16 +28,26 @@
     /**
      * Method called by the HAL when a tuning operation completes
      * following a step(), scan() or tune() command.
+     *
+     * This callback supersedes V1_0::tuneComplete. For performance reasons,
+     * the 1.0 callback may not be called when HAL implementation detects 1.1
+     * client (by casting V1_0::ITunerCallback to V1_1::ITunerCallback).
+     *
      * @param result OK if tune succeeded or TIMEOUT in case of time out.
-     * @param info A ProgramInfo structure describing the tuned station.
+     * @param selector A ProgramSelector structure describing the tuned station.
      */
-    oneway tuneComplete_1_1(Result result, ProgramInfo info);
+    oneway tuneComplete_1_1(Result result, ProgramSelector selector);
 
     /**
      * Method called by the HAL when a frequency switch occurs.
-     * @param info A ProgramInfo structure describing the new tuned station.
+     *
+     * This callback supersedes V1_0::afSwitch. For performance reasons,
+     * the 1.0 callback may not be called when HAL implementation detects 1.1
+     * client (by casting V1_0::ITunerCallback to V1_1::ITunerCallback).
+     *
+     * @param selector A ProgramSelector structure describing the tuned station.
      */
-    oneway afSwitch_1_1(ProgramInfo info);
+    oneway afSwitch_1_1(ProgramSelector selector);
 
     /**
      * Called by the HAL when background scan feature becomes available or not.
@@ -69,4 +79,20 @@
      * Client may retrieve the actual list with ITuner::getProgramList.
      */
     oneway programListChanged();
+
+    /**
+     * Method called by the HAL when current program information (including
+     * metadata) is updated.
+     *
+     * Client may retrieve the actual program info with
+     * ITuner::getProgramInformation_1_1.
+     *
+     * This may be called together with tuneComplete_1_1 or afSwitch_1_1.
+     *
+     * This callback supersedes V1_0::tuneComplete, V1_0::afSwitch and
+     * newMetadata. For performance reasons, these callbacks may not be called
+     * when HAL implementation detects 1.1 client (by casting
+     * V1_0::ITunerCallback to V1_1::ITunerCallback).
+     */
+    oneway programInfoChanged();
 };