post_proc: Support Headphone:X in offload and non tunnel modes

Support Headphone:X in offload and non tunnel modes

Change-Id: Ib30d60bce67cb43556d58a2387735ce715d035a4
Signed-off-by: Alexy Joseph <alexyj@codeaurora.org>
diff --git a/post_proc/EffectsHwAcc.h b/post_proc/EffectsHwAcc.h
index 919332b..6420a9b 100644
--- a/post_proc/EffectsHwAcc.h
+++ b/post_proc/EffectsHwAcc.h
@@ -48,6 +48,10 @@
                             int frameCount);
     virtual void setBufferProvider(AudioBufferProvider **bufferProvider,
                            AudioBufferProvider **trackBufferProvider);
+#ifdef HW_ACC_HPX
+    virtual void updateHPXState(uint32_t state);
+#endif
+
     /* AudioBufferProvider that wraps a track AudioBufferProvider by a call to
        h/w accelerated effect */
     class EffectsBufferProvider : public AudioBufferProvider {