diff --git a/broadcastradio/1.1/ITunerCallback.hal b/broadcastradio/1.1/ITunerCallback.hal
index 2e593b0..8bf5b7f 100644
--- a/broadcastradio/1.1/ITunerCallback.hal
+++ b/broadcastradio/1.1/ITunerCallback.hal
@@ -33,23 +33,16 @@
      * The 1.0 callback must not be called when HAL implementation detects
      * 1.1 client (by casting V1_0::ITunerCallback to V1_1::ITunerCallback).
      *
+     * In case of success, currentProgramInfoChanged must be called too.
+     * It means the success case may (or may not) be handled by the client in
+     * currentProgramInfoChanged, instead of here.
+     *
      * @param result OK if tune succeeded or TIMEOUT in case of time out.
      * @param selector A ProgramSelector structure describing the tuned station.
      */
     oneway tuneComplete_1_1(Result result, ProgramSelector selector);
 
     /**
-     * Method called by the HAL when a frequency switch occurs.
-     *
-     * This callback supersedes V1_0::afSwitch.
-     * The 1.0 callback must 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(ProgramSelector selector);
-
-    /**
      * Called by the HAL when background scan feature becomes available or not.
      *
      * @param isAvailable true, if the tuner turned temporarily background-
@@ -92,10 +85,12 @@
      *
      * This may be called together with tuneComplete_1_1 or afSwitch_1_1.
      *
-     * This callback supersedes V1_0::newMetadata and partly V1_0::tuneComplete
-     * and V1_0::afSwitch.
+     * This callback supersedes V1_0::newMetadata and V1_0::afSwitch;
+     * partly V1_0::tuneComplete.
      * 1.0 callbacks must not be called when HAL implementation detects
      * 1.1 client (by casting V1_0::ITunerCallback to V1_1::ITunerCallback).
+     *
+     * @param info current program information
      */
-    oneway currentProgramInfoChanged();
+    oneway currentProgramInfoChanged(ProgramInfo info);
 };