diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h
index e834678..f49af55 100644
--- a/include/sound/hdaudio.h
+++ b/include/sound/hdaudio.h
@@ -358,6 +358,9 @@ struct hdac_bus {
 	bool align_bdle_4k:1;		/* BDLE align 4K boundary */
 	bool reverse_assign:1;		/* assign devices in reverse order */
 	bool corbrp_self_clear:1;	/* CORBRP clears itself after reset */
+	bool polling_mode:1;
+
+	int poll_count;
 
 	int bdl_pos_adj;		/* BDL position adjustment */