diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index dd76cde..54c4ccf 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -274,6 +274,7 @@
 	snd_pcm_uframes_t hw_ptr_base;	/* Position at buffer restart */
 	snd_pcm_uframes_t hw_ptr_interrupt; /* Position at interrupt time */
 	unsigned long hw_ptr_jiffies;	/* Time when hw_ptr is updated */
+	unsigned long hw_ptr_buffer_jiffies; /* buffer time in jiffies */
 	snd_pcm_sframes_t delay;	/* extra delay; typically FIFO size */
 
 	/* -- HW params -- */
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index e9d98be..d6ecca2 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -329,11 +329,15 @@
 		/* delta = "expected next hw_ptr" for in_interrupt != 0 */
 		delta = runtime->hw_ptr_interrupt + runtime->period_size;
 		if (delta > new_hw_ptr) {
-			hw_base += runtime->buffer_size;
-			if (hw_base >= runtime->boundary)
-				hw_base = 0;
-			new_hw_ptr = hw_base + pos;
-			goto __delta;
+			/* check for double acknowledged interrupts */
+			hdelta = jiffies - runtime->hw_ptr_jiffies;
+			if (hdelta > runtime->hw_ptr_buffer_jiffies/2) {
+				hw_base += runtime->buffer_size;
+				if (hw_base >= runtime->boundary)
+					hw_base = 0;
+				new_hw_ptr = hw_base + pos;
+				goto __delta;
+			}
 		}
 	}
 	/* new_hw_ptr might be lower than old_hw_ptr in case when */
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 303ac04..2d2e1b6 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -867,6 +867,8 @@
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	snd_pcm_trigger_tstamp(substream);
 	runtime->hw_ptr_jiffies = jiffies;
+	runtime->hw_ptr_buffer_jiffies = (runtime->buffer_size * HZ) / 
+							    runtime->rate;
 	runtime->status->state = state;
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
 	    runtime->silence_size > 0)