diff --git a/arch/arm/src/cxd56xx/cxd56_nxaudio.c b/arch/arm/src/cxd56xx/cxd56_nxaudio.c
index 6551111157b98..99c8d04cdc98d 100644
--- a/arch/arm/src/cxd56xx/cxd56_nxaudio.c
+++ b/arch/arm/src/cxd56xx/cxd56_nxaudio.c
@@ -381,7 +381,7 @@ static int     cxd56_release(struct audio_lowerhalf_s *lower);
 
 static int     cxd56_getcaps(struct audio_lowerhalf_s *lower, int type,
                              struct audio_caps_s *caps);
-static int     cxd56_shutdown(struct audio_lowerhalf_s *lower);
+static int     cxd56_shutdown(struct audio_lowerhalf_s *lower, int opencnt);
 static int     cxd56_enqueuebuffer(struct audio_lowerhalf_s *lower,
                                    struct ap_buffer_s *apb);
 static int     cxd56_cancelbuffer(struct audio_lowerhalf_s *lower,
@@ -438,6 +438,7 @@ static uint16_t g_codec_start_count = 0;
 
 static const struct audio_ops_s g_audioops =
 {
+  NULL,                /* setup          */
   cxd56_getcaps,       /* getcaps        */
   cxd56_configure,     /* configure      */
   cxd56_shutdown,      /* shutdown       */
@@ -2698,7 +2699,7 @@ static int cxd56_getcaps(struct audio_lowerhalf_s *lower, int type,
  *
  ****************************************************************************/
 
-static int cxd56_shutdown(struct audio_lowerhalf_s *lower)
+static int cxd56_shutdown(struct audio_lowerhalf_s *lower, int opencnt)
 {
   int ret;
   struct cxd56_dev_s *priv = (struct cxd56_dev_s *)lower;
diff --git a/arch/arm/src/sama5/sam_classd.c b/arch/arm/src/sama5/sam_classd.c
index 74adb4fa313a2..450df55e9c18a 100644
--- a/arch/arm/src/sama5/sam_classd.c
+++ b/arch/arm/src/sama5/sam_classd.c
@@ -554,6 +554,7 @@ static struct sam_classd_config_s sam_classd_const =
 
 static const struct audio_ops_s g_audioops =
 {
+  NULL,                 /* setup          */
   classd_getcaps,       /* getcaps        */
   classd_configure,     /* configure      */
   classd_shutdown,      /* shutdown       */
@@ -1747,7 +1748,7 @@ static int classd_configure(struct audio_lowerhalf_s *dev,
  *
  ****************************************************************************/
 
-static int classd_shutdown(struct audio_lowerhalf_s *dev)
+static int classd_shutdown(struct audio_lowerhalf_s *dev, int cnt)
 {
   struct classd_dev_s *priv = (struct classd_dev_s *)dev;
 
diff --git a/arch/sim/src/sim/posix/sim_alsa.c b/arch/sim/src/sim/posix/sim_alsa.c
index bf6fc06e7529c..0eb5c44535e80 100644
--- a/arch/sim/src/sim/posix/sim_alsa.c
+++ b/arch/sim/src/sim/posix/sim_alsa.c
@@ -104,7 +104,7 @@ static int sim_audio_resume(struct audio_lowerhalf_s *dev);
 static int sim_audio_reserve(struct audio_lowerhalf_s *dev);
 static int sim_audio_release(struct audio_lowerhalf_s *dev);
 #endif
-static int sim_audio_shutdown(struct audio_lowerhalf_s *dev);
+static int sim_audio_shutdown(struct audio_lowerhalf_s *dev, int cnt);
 static int sim_audio_enqueuebuffer(struct audio_lowerhalf_s *dev,
                                    struct ap_buffer_s *apb);
 static int sim_audio_ioctl(struct audio_lowerhalf_s *dev, int cmd,
@@ -115,6 +115,7 @@ static int sim_audio_ioctl(struct audio_lowerhalf_s *dev, int cmd,
 
 static const struct audio_ops_s g_sim_audio_ops =
 {
+  .setup         = NULL,
   .getcaps       = sim_audio_getcaps,
   .configure     = sim_audio_configure,
   .shutdown      = sim_audio_shutdown,
@@ -484,7 +485,7 @@ static int sim_audio_configure(struct audio_lowerhalf_s *dev,
   return ret;
 }
 
-static int sim_audio_shutdown(struct audio_lowerhalf_s *dev)
+static int sim_audio_shutdown(struct audio_lowerhalf_s *dev, int cnt)
 {
   return 0;
 }
diff --git a/audio/audio.c b/audio/audio.c
index 3bc906e9836cc..aeec0dbe00acd 100644
--- a/audio/audio.c
+++ b/audio/audio.c
@@ -139,6 +139,7 @@ static int audio_open(FAR struct file *filep)
 {
   FAR struct inode *inode = filep->f_inode;
   FAR struct audio_upperhalf_s *upper = inode->i_private;
+  FAR struct audio_lowerhalf_s *lower = upper->dev;
   uint8_t tmp;
   int ret;
 
@@ -166,6 +167,17 @@ static int audio_open(FAR struct file *filep)
       goto errout_with_lock;
     }
 
+  /* Call open method of lowerhalf if exist */
+
+  if (lower && lower->ops && lower->ops->setup)
+    {
+      ret = lower->ops->setup(lower, tmp);
+      if (ret < 0)
+        {
+          goto errout_with_lock;
+        }
+    }
+
   /* Save the new open count on success */
 
   upper->crefs = tmp;
@@ -223,7 +235,7 @@ static int audio_close(FAR struct file *filep)
       DEBUGASSERT(lower->ops->shutdown != NULL);
       audinfo("calling shutdown\n");
 
-      lower->ops->shutdown(lower);
+      lower->ops->shutdown(lower, upper->crefs);
       upper->usermq = NULL;
     }
 
@@ -415,7 +427,8 @@ static int audio_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
 
           /* Call the lower-half driver initialize handler */
 
-          ret = lower->ops->shutdown(lower);
+          ret = lower->ops->shutdown(lower, upper->crefs);
+          upper->started = false;
         }
         break;
 
@@ -479,6 +492,7 @@ static int audio_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
           audinfo("AUDIOIOC_PAUSE\n");
           DEBUGASSERT(lower->ops->pause != NULL);
 
+          ret = -EAGAIN;
           if (upper->started)
             {
 #ifdef CONFIG_AUDIO_MULTI_SESSION
@@ -501,6 +515,7 @@ static int audio_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
           audinfo("AUDIOIOC_RESUME\n");
           DEBUGASSERT(lower->ops->resume != NULL);
 
+          ret = -EAGAIN;
           if (upper->started)
             {
 #ifdef CONFIG_AUDIO_MULTI_SESSION
@@ -723,6 +738,45 @@ static inline void audio_dequeuebuffer(FAR struct audio_upperhalf_s *upper,
     }
 }
 
+/****************************************************************************
+ * Name: audio_ioerror
+ *
+ * Description:
+ *   Send an AUDIO_MSG_IOERROR message to the client to indicate that a
+ *   something error was happend in lower-half driver. The lower-half
+ *   driver initiates this call via its callback pointer to our upper-half
+ *   driver.
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_AUDIO_MULTI_SESSION
+static inline void audio_ioerror(FAR struct audio_upperhalf_s *upper,
+                    FAR struct ap_buffer_s *apb, uint16_t status,
+                    FAR void *session)
+#else
+static inline void audio_ioerror(FAR struct audio_upperhalf_s *upper,
+                    FAR struct ap_buffer_s *apb, uint16_t status)
+#endif
+{
+  struct audio_msg_s    msg;
+
+  audinfo("Entry\n");
+
+  /* Send a dequeue message to the user if a message queue is registered */
+
+  upper->started = false;
+  if (upper->usermq != NULL)
+    {
+      msg.msg_id = AUDIO_MSG_IOERROR;
+      msg.u.data = (uint32_t)status;
+#ifdef CONFIG_AUDIO_MULTI_SESSION
+      msg.session = session;
+#endif
+      file_mq_send(upper->usermq, (FAR const char *)&msg, sizeof(msg),
+                   CONFIG_AUDIO_BUFFER_DEQUEUE_PRIO);
+    }
+}
+
 /****************************************************************************
  * Name: audio_complete
  *
@@ -849,6 +903,11 @@ static void audio_callback(FAR void *handle, uint16_t reason,
 
       case AUDIO_CALLBACK_IOERR:
         {
+#ifdef CONFIG_AUDIO_MULTI_SESSION
+          audio_ioerror(upper, apb, status, session);
+#else
+          audio_ioerror(upper, apb, status);
+#endif
         }
         break;
 
diff --git a/audio/audio_comp.c b/audio/audio_comp.c
index d9957da3131c4..87e91502465e2 100644
--- a/audio/audio_comp.c
+++ b/audio/audio_comp.c
@@ -57,6 +57,7 @@ struct audio_comp_priv_s
  * Private Function Prototypes
  ****************************************************************************/
 
+static int audio_comp_setup(FAR struct audio_lowerhalf_s *dev, int opencnt);
 static int audio_comp_getcaps(FAR struct audio_lowerhalf_s *dev, int type,
                               FAR struct audio_caps_s *caps);
 #ifdef CONFIG_AUDIO_MULTI_SESSION
@@ -67,7 +68,7 @@ static int audio_comp_configure(FAR struct audio_lowerhalf_s *dev,
 static int audio_comp_configure(FAR struct audio_lowerhalf_s *dev,
                                 FAR const struct audio_caps_s *caps);
 #endif
-static int audio_comp_shutdown(FAR struct audio_lowerhalf_s *dev);
+static int audio_comp_shutdown(FAR struct audio_lowerhalf_s *dev, int cnt);
 #ifdef CONFIG_AUDIO_MULTI_SESSION
 static int audio_comp_start(FAR struct audio_lowerhalf_s *dev,
                             FAR void *session);
@@ -137,6 +138,7 @@ static void audio_comp_callback(FAR void *arg, uint16_t reason,
 
 static const struct audio_ops_s g_audio_comp_ops =
 {
+  audio_comp_setup,         /* setup          */
   audio_comp_getcaps,       /* getcaps        */
   audio_comp_configure,     /* configure      */
   audio_comp_shutdown,      /* shutdown       */
@@ -163,6 +165,50 @@ static const struct audio_ops_s g_audio_comp_ops =
  * Private Functions
  ****************************************************************************/
 
+/****************************************************************************
+ * Name: audio_comp_setup
+ *
+ * Description: Call lower device driver's setup
+ *
+ ****************************************************************************/
+
+static int audio_comp_setup(FAR struct audio_lowerhalf_s *dev, int cnt)
+{
+  FAR struct audio_comp_priv_s *priv = (FAR struct audio_comp_priv_s *)dev;
+  FAR struct audio_lowerhalf_s **lower = priv->lower;
+  int i;
+  int ret;
+
+  for (i = 0; i < priv->count; i++)
+    {
+      if (lower[i]->ops->setup)
+        {
+          ret = lower[i]->ops->setup(lower[i], cnt);
+          if (ret < 0)
+            {
+              break;
+            }
+        }
+    }
+
+  /* If an error is occured on a lower device,
+   * shutdown of lower device which is already opened is called.
+   */
+
+  if (i != priv->count)
+    {
+      for (; i >= 0; i--)
+        {
+          if (lower[i]->ops->open && lower[i]->ops->shutdown)
+            {
+              lower[i]->ops->shutdown(lower[i], cnt - 1);
+            }
+        }
+    }
+
+  return ret;
+}
+
 /****************************************************************************
  * Name: audio_comp_getcaps
  *
@@ -280,7 +326,7 @@ static int audio_comp_configure(FAR struct audio_lowerhalf_s *dev,
  *
  ****************************************************************************/
 
-static int audio_comp_shutdown(FAR struct audio_lowerhalf_s *dev)
+static int audio_comp_shutdown(FAR struct audio_lowerhalf_s *dev, int cnt)
 {
   FAR struct audio_comp_priv_s *priv = (FAR struct audio_comp_priv_s *)dev;
   FAR struct audio_lowerhalf_s **lower = priv->lower;
@@ -291,7 +337,7 @@ static int audio_comp_shutdown(FAR struct audio_lowerhalf_s *dev)
     {
       if (lower[i]->ops->shutdown)
         {
-          int tmp = lower[i]->ops->shutdown(lower[i]);
+          int tmp = lower[i]->ops->shutdown(lower[i], cnt);
           if (tmp == -ENOTTY)
             {
               continue;
diff --git a/audio/pcm_decode.c b/audio/pcm_decode.c
index 60c8b9af4d9fe..3cab75113652e 100644
--- a/audio/pcm_decode.c
+++ b/audio/pcm_decode.c
@@ -122,6 +122,8 @@ static void pcm_subsample(FAR struct pcm_decode_s *priv,
 
 /* struct audio_lowerhalf_s methods *****************************************/
 
+static int  pcm_setup(FAR struct audio_lowerhalf_s *dev, int opencnt);
+
 static int  pcm_getcaps(FAR struct audio_lowerhalf_s *dev, int type,
               FAR struct audio_caps_s *caps);
 
@@ -133,7 +135,7 @@ static int  pcm_configure(FAR struct audio_lowerhalf_s *dev,
               FAR const struct audio_caps_s *caps);
 #endif
 
-static int  pcm_shutdown(FAR struct audio_lowerhalf_s *dev);
+static int  pcm_shutdown(FAR struct audio_lowerhalf_s *dev, int cnt);
 
 #ifdef CONFIG_AUDIO_MULTI_SESSION
 static int  pcm_start(FAR struct audio_lowerhalf_s *dev, FAR void *session);
@@ -665,6 +667,34 @@ static void pcm_subsample(FAR struct pcm_decode_s *priv,
 }
 #endif
 
+/****************************************************************************
+ * Name: pcm_setup
+ *
+ * Description:
+ *   This method is called when the related device file is opened.
+ *   And then next lower's setup is called in this method.
+ *
+ ****************************************************************************/
+
+static int  pcm_setup(FAR struct audio_lowerhalf_s *dev, int opencnt)
+{
+  FAR struct pcm_decode_s *priv = (FAR struct pcm_decode_s *)dev;
+  FAR struct audio_lowerhalf_s *lower;
+
+  DEBUGASSERT(priv);
+
+  lower = priv->lower;
+
+  DEBUGASSERT(lower);
+
+  if (lower->ops && lower->ops->setup)
+    {
+      return lower->ops->setup(lower, opencnt);
+    }
+
+  return OK;
+}
+
 /****************************************************************************
  * Name: pcm_getcaps
  *
@@ -788,7 +818,7 @@ static int pcm_configure(FAR struct audio_lowerhalf_s *dev,
  *
  ****************************************************************************/
 
-static int pcm_shutdown(FAR struct audio_lowerhalf_s *dev)
+static int pcm_shutdown(FAR struct audio_lowerhalf_s *dev, int cnt)
 {
   FAR struct pcm_decode_s *priv = (FAR struct pcm_decode_s *)dev;
   FAR struct audio_lowerhalf_s *lower;
@@ -805,7 +835,7 @@ static int pcm_shutdown(FAR struct audio_lowerhalf_s *dev)
   DEBUGASSERT(lower && lower->ops->start);
 
   audinfo("Defer to lower shutdown\n");
-  return lower->ops->shutdown(lower);
+  return lower->ops->shutdown(lower, cnt);
 }
 
 /****************************************************************************
@@ -1403,6 +1433,7 @@ FAR struct audio_lowerhalf_s *
   /* Setup our operations */
 
   ops                  = &priv->ops;
+  ops->setup           = pcm_setup;
   ops->getcaps         = pcm_getcaps;
   ops->configure       = pcm_configure;
   ops->shutdown        = pcm_shutdown;
diff --git a/drivers/audio/audio_dma.c b/drivers/audio/audio_dma.c
index 10b5c753ec7e5..1e7f228389789 100644
--- a/drivers/audio/audio_dma.c
+++ b/drivers/audio/audio_dma.c
@@ -55,7 +55,7 @@ struct audio_dma_s
 
 static int audio_dma_getcaps(struct audio_lowerhalf_s *dev, int type,
                              struct audio_caps_s *caps);
-static int audio_dma_shutdown(struct audio_lowerhalf_s *dev);
+static int audio_dma_shutdown(struct audio_lowerhalf_s *dev, int cnt);
 #ifdef CONFIG_AUDIO_MULTI_SESSION
 static int audio_dma_configure(struct audio_lowerhalf_s *dev,
                                void *session,
@@ -106,6 +106,7 @@ static void audio_dma_callback(struct dma_chan_s *chan, void *arg,
 
 static const struct audio_ops_s g_audio_dma_ops =
 {
+  .setup = NULL,
   .getcaps = audio_dma_getcaps,
   .configure = audio_dma_configure,
   .shutdown = audio_dma_shutdown,
@@ -255,7 +256,7 @@ static int audio_dma_configure(struct audio_lowerhalf_s *dev,
   return ret;
 }
 
-static int audio_dma_shutdown(struct audio_lowerhalf_s *dev)
+static int audio_dma_shutdown(struct audio_lowerhalf_s *dev, int cnt)
 {
   /* apps enqueued buffers, but doesn't start. stop here to
    * clear audio_dma->pendq.
diff --git a/drivers/audio/audio_i2s.c b/drivers/audio/audio_i2s.c
index c427b6e5ed1fe..65628c414b819 100644
--- a/drivers/audio/audio_i2s.c
+++ b/drivers/audio/audio_i2s.c
@@ -48,7 +48,7 @@ struct audio_i2s_s
 
 static int audio_i2s_getcaps(FAR struct audio_lowerhalf_s *dev, int type,
                              FAR struct audio_caps_s *caps);
-static int audio_i2s_shutdown(FAR struct audio_lowerhalf_s *dev);
+static int audio_i2s_shutdown(FAR struct audio_lowerhalf_s *dev, int cnt);
 #ifdef CONFIG_AUDIO_MULTI_SESSION
 static int audio_i2s_configure(FAR struct audio_lowerhalf_s *dev,
                                FAR void *session,
@@ -101,6 +101,7 @@ static void audio_i2s_callback(struct i2s_dev_s *dev,
 
 static const struct audio_ops_s g_audio_i2s_ops =
 {
+  NULL,                    /* setup          */
   audio_i2s_getcaps,       /* getcaps        */
   audio_i2s_configure,     /* configure      */
   audio_i2s_shutdown,      /* shutdown       */
@@ -185,9 +186,7 @@ static int audio_i2s_getcaps(FAR struct audio_lowerhalf_s *dev, int type,
             /* Report the Sample rates we support */
 
               caps->ac_controls.hw[0] = AUDIO_SAMP_RATE_DEF_ALL;
-
               caps->ac_channels = 2;
-
               break;
           }
 
@@ -255,7 +254,7 @@ static int audio_i2s_configure(FAR struct audio_lowerhalf_s *dev,
   return ret;
 }
 
-static int audio_i2s_shutdown(FAR struct audio_lowerhalf_s *dev)
+static int audio_i2s_shutdown(FAR struct audio_lowerhalf_s *dev, int cnt)
 {
   FAR struct audio_i2s_s *audio_i2s = (struct audio_i2s_s *)dev;
   FAR struct i2s_dev_s *i2s = audio_i2s->i2s;
diff --git a/drivers/audio/audio_null.c b/drivers/audio/audio_null.c
index 427f32bf23108..b015bde8b4b63 100644
--- a/drivers/audio/audio_null.c
+++ b/drivers/audio/audio_null.c
@@ -132,6 +132,7 @@ static int   null_sleep(FAR struct audio_lowerhalf_s *dev,
 
 static const struct audio_ops_s g_audioops =
 {
+  NULL,               /* setup          */
   null_getcaps,       /* getcaps        */
   null_configure,     /* configure      */
   null_shutdown,      /* shutdown       */
@@ -451,7 +452,7 @@ static int null_configure(FAR struct audio_lowerhalf_s *dev,
  *
  ****************************************************************************/
 
-static int null_shutdown(FAR struct audio_lowerhalf_s *dev)
+static int null_shutdown(FAR struct audio_lowerhalf_s *dev, int cnt)
 {
   audinfo("Return OK\n");
   return OK;
diff --git a/drivers/audio/cs4344.c b/drivers/audio/cs4344.c
index cfdc37c3700c8..b54b6e087e036 100644
--- a/drivers/audio/cs4344.c
+++ b/drivers/audio/cs4344.c
@@ -71,7 +71,7 @@ static int  cs4344_configure(FAR struct audio_lowerhalf_s *dev,
 static int  cs4344_configure(FAR struct audio_lowerhalf_s *dev,
                               FAR const struct audio_caps_s *caps);
 #endif
-static int  cs4344_shutdown(FAR struct audio_lowerhalf_s *dev);
+static int  cs4344_shutdown(FAR struct audio_lowerhalf_s *dev, int cnt);
 static void cs4344_senddone(FAR struct i2s_dev_s *i2s,
                              FAR struct ap_buffer_s *apb, FAR void *arg,
                              int result);
@@ -134,6 +134,7 @@ static int cs4344_reset(FAR struct cs4344_dev_s *priv);
 
 static const struct audio_ops_s g_audioops =
 {
+  NULL,                 /* setup */
   cs4344_getcaps,       /* getcaps */
   cs4344_configure,     /* configure */
   cs4344_shutdown,      /* shutdown */
@@ -627,7 +628,7 @@ cs4344_configure(FAR struct audio_lowerhalf_s *dev,
  *
  ****************************************************************************/
 
-static int cs4344_shutdown(FAR struct audio_lowerhalf_s *dev)
+static int cs4344_shutdown(FAR struct audio_lowerhalf_s *dev, int cnt)
 {
   FAR struct cs4344_dev_s *priv = (FAR struct cs4344_dev_s *)dev;
 
diff --git a/drivers/audio/cs43l22.c b/drivers/audio/cs43l22.c
index 299518f028317..8523b5335767b 100644
--- a/drivers/audio/cs43l22.c
+++ b/drivers/audio/cs43l22.c
@@ -88,7 +88,7 @@ static int  cs43l22_configure(FAR struct audio_lowerhalf_s *dev,
 static int  cs43l22_configure(FAR struct audio_lowerhalf_s *dev,
                               FAR const struct audio_caps_s *caps);
 #endif
-static int  cs43l22_shutdown(FAR struct audio_lowerhalf_s *dev);
+static int  cs43l22_shutdown(FAR struct audio_lowerhalf_s *dev, int cnt);
 static void cs43l22_senddone(FAR struct i2s_dev_s *i2s,
                              FAR struct ap_buffer_s *apb, FAR void *arg,
                              int result);
@@ -168,6 +168,7 @@ static void cs43l22_reset(FAR struct cs43l22_dev_s *priv);
 
 static const struct audio_ops_s g_audioops =
 {
+  NULL,                  /* setup */
   cs43l22_getcaps,       /* getcaps */
   cs43l22_configure,     /* configure */
   cs43l22_shutdown,      /* shutdown */
@@ -858,7 +859,7 @@ cs43l22_configure(FAR struct audio_lowerhalf_s *dev,
  *
  ****************************************************************************/
 
-static int cs43l22_shutdown(FAR struct audio_lowerhalf_s *dev)
+static int cs43l22_shutdown(FAR struct audio_lowerhalf_s *dev, int cnt)
 {
   FAR struct cs43l22_dev_s *priv = (FAR struct cs43l22_dev_s *)dev;
 
diff --git a/drivers/audio/es8311.c b/drivers/audio/es8311.c
index 296c75cb58e0c..9eb90049d7a11 100644
--- a/drivers/audio/es8311.c
+++ b/drivers/audio/es8311.c
@@ -91,7 +91,7 @@ static int  es8311_configure(FAR struct audio_lowerhalf_s *dev,
 static int  es8311_configure(FAR struct audio_lowerhalf_s *dev,
                              FAR const struct audio_caps_s *caps);
 #endif /* !CONFIG_AUDIO_MULTI_SESSION */
-static int  es8311_shutdown(FAR struct audio_lowerhalf_s *dev);
+static int  es8311_shutdown(FAR struct audio_lowerhalf_s *dev, int cnt);
 static void es8311_processdone(FAR struct i2s_dev_s *i2s,
                                   FAR struct ap_buffer_s *apb,
                                   FAR void *arg,
@@ -154,6 +154,7 @@ static int  es8311_get_mclk_src(void);
 
 static const struct audio_ops_s g_audioops =
 {
+  NULL,                 /* setup          */
   es8311_getcaps,       /* getcaps        */
   es8311_configure,     /* configure      */
   es8311_shutdown,      /* shutdown       */
@@ -1107,7 +1108,7 @@ static int es8311_configure(FAR struct audio_lowerhalf_s *dev,
  *
  ****************************************************************************/
 
-static int es8311_shutdown(FAR struct audio_lowerhalf_s *dev)
+static int es8311_shutdown(FAR struct audio_lowerhalf_s *dev, int cnt)
 {
   FAR struct es8311_dev_s *priv = (FAR struct es8311_dev_s *)dev;
 
diff --git a/drivers/audio/es8388.c b/drivers/audio/es8388.c
index 4708fb0d9ef52..57aa0bdf5e733 100644
--- a/drivers/audio/es8388.c
+++ b/drivers/audio/es8388.c
@@ -91,7 +91,7 @@ static int  es8388_configure(FAR struct audio_lowerhalf_s *dev,
 static int  es8388_configure(FAR struct audio_lowerhalf_s *dev,
                              FAR const struct audio_caps_s *caps);
 #endif
-static int  es8388_shutdown(FAR struct audio_lowerhalf_s *dev);
+static int  es8388_shutdown(FAR struct audio_lowerhalf_s *dev, int cnt);
 static void es8388_processdone(FAR struct i2s_dev_s *i2s,
                                   FAR struct ap_buffer_s *apb,
                                   FAR void *arg,
@@ -153,6 +153,7 @@ static void es8388_reset(FAR struct es8388_dev_s *priv);
 
 static const struct audio_ops_s g_audioops =
 {
+  NULL,                 /* setup          */
   es8388_getcaps,       /* getcaps        */
   es8388_configure,     /* configure      */
   es8388_shutdown,      /* shutdown       */
@@ -1123,7 +1124,7 @@ static int es8388_configure(FAR struct audio_lowerhalf_s *dev,
  *
  ****************************************************************************/
 
-static int es8388_shutdown(FAR struct audio_lowerhalf_s *dev)
+static int es8388_shutdown(FAR struct audio_lowerhalf_s *dev, int cnt)
 {
   FAR struct es8388_dev_s *priv = (FAR struct es8388_dev_s *)dev;
 
diff --git a/drivers/audio/vs1053.c b/drivers/audio/vs1053.c
index 1b8d0aa1b062c..8901729d1c865 100644
--- a/drivers/audio/vs1053.c
+++ b/drivers/audio/vs1053.c
@@ -181,6 +181,7 @@ static int     vs1053_ioctl(FAR struct audio_lowerhalf_s *lower, int cmd,
 
 static const struct audio_ops_s g_audioops =
 {
+  NULL,                 /* setup          */
   vs1053_getcaps,       /* getcaps        */
   vs1053_configure,     /* configure      */
   vs1053_shutdown,      /* shutdown       */
@@ -932,7 +933,7 @@ static int vs1053_hardreset(FAR struct vs1053_struct_s *dev)
  *
  ****************************************************************************/
 
-static int vs1053_shutdown(FAR struct audio_lowerhalf_s *lower)
+static int vs1053_shutdown(FAR struct audio_lowerhalf_s *lower, int cnt)
 {
   FAR struct vs1053_struct_s *dev = (struct vs1053_struct_s *) lower;
   FAR struct spi_dev_s  *spi = dev->spi;
diff --git a/drivers/audio/wm8776.c b/drivers/audio/wm8776.c
index b2088a2180fb1..79632c413dcd9 100644
--- a/drivers/audio/wm8776.c
+++ b/drivers/audio/wm8776.c
@@ -67,7 +67,7 @@ static int      wm8776_configure(FAR struct audio_lowerhalf_s *dev,
 static int      wm8776_configure(FAR struct audio_lowerhalf_s *dev,
                   FAR const struct audio_caps_s *caps);
 #endif
-static int      wm8776_shutdown(FAR struct audio_lowerhalf_s *dev);
+static int      wm8776_shutdown(FAR struct audio_lowerhalf_s *dev, int cnt);
 static void     wm8776_senddone(FAR struct i2s_dev_s *i2s,
                   FAR struct ap_buffer_s *apb, FAR void *arg, int result);
 static void     wm8776_returnbuffers(FAR struct wm8776_dev_s *priv);
@@ -133,6 +133,7 @@ static void     wm8776_hw_reset(FAR struct wm8776_dev_s *priv);
 
 static const struct audio_ops_s g_audioops =
 {
+  NULL,                 /* setup          */
   wm8776_getcaps,       /* getcaps        */
   wm8776_configure,     /* configure      */
   wm8776_shutdown,      /* shutdown       */
@@ -450,7 +451,7 @@ static int wm8776_configure(FAR struct audio_lowerhalf_s *dev,
  *
  ****************************************************************************/
 
-static int wm8776_shutdown(FAR struct audio_lowerhalf_s *dev)
+static int wm8776_shutdown(FAR struct audio_lowerhalf_s *dev, int cnt)
 {
   FAR struct wm8776_dev_s *priv = (FAR struct wm8776_dev_s *)dev;
 
diff --git a/drivers/audio/wm8904.c b/drivers/audio/wm8904.c
index 1f25a7aae0b71..f45ab04f7eb8c 100644
--- a/drivers/audio/wm8904.c
+++ b/drivers/audio/wm8904.c
@@ -103,7 +103,7 @@ static int      wm8904_configure(FAR struct audio_lowerhalf_s *dev,
 static int      wm8904_configure(FAR struct audio_lowerhalf_s *dev,
                   FAR const struct audio_caps_s *caps);
 #endif
-static int      wm8904_shutdown(FAR struct audio_lowerhalf_s *dev);
+static int      wm8904_shutdown(FAR struct audio_lowerhalf_s *dev, int cnt);
 static void     wm8904_senddone(FAR struct i2s_dev_s *i2s,
                   FAR struct ap_buffer_s *apb, FAR void *arg, int result);
 static void     wm8904_returnbuffers(FAR struct wm8904_dev_s *priv);
@@ -182,6 +182,7 @@ static void     wm8904_hw_reset(FAR struct wm8904_dev_s *priv);
 
 static const struct audio_ops_s g_audioops =
 {
+  NULL,                 /* setup          */
   wm8904_getcaps,       /* getcaps        */
   wm8904_configure,     /* configure      */
   wm8904_shutdown,      /* shutdown       */
@@ -1298,7 +1299,7 @@ static int wm8904_configure(FAR struct audio_lowerhalf_s *dev,
  *
  ****************************************************************************/
 
-static int wm8904_shutdown(FAR struct audio_lowerhalf_s *dev)
+static int wm8904_shutdown(FAR struct audio_lowerhalf_s *dev, int cnt)
 {
   FAR struct wm8904_dev_s *priv = (FAR struct wm8904_dev_s *)dev;
 
diff --git a/drivers/audio/wm8994.c b/drivers/audio/wm8994.c
index 418fc1011fe9a..07ba935893897 100644
--- a/drivers/audio/wm8994.c
+++ b/drivers/audio/wm8994.c
@@ -113,7 +113,7 @@ static int      wm8994_configure(FAR struct audio_lowerhalf_s *dev,
 static int      wm8994_configure(FAR struct audio_lowerhalf_s *dev,
                   FAR const struct audio_caps_s *caps);
 #endif
-static int      wm8994_shutdown(FAR struct audio_lowerhalf_s *dev);
+static int      wm8994_shutdown(FAR struct audio_lowerhalf_s *dev, int cnt);
 static void     wm8994_senddone(FAR struct i2s_dev_s *i2s,
                   FAR struct ap_buffer_s *apb, FAR void *arg, int result);
 static void     wm8994_returnbuffers(FAR struct wm8994_dev_s *priv);
@@ -190,6 +190,7 @@ static void     wm8994_hw_reset(FAR struct wm8994_dev_s *priv);
 
 static const struct audio_ops_s g_audioops =
 {
+  NULL,                 /* setup          */
   wm8994_getcaps,       /* getcaps        */
   wm8994_configure,     /* configure      */
   wm8994_shutdown,      /* shutdown       */
@@ -993,7 +994,7 @@ static int wm8994_configure(FAR struct audio_lowerhalf_s *dev,
  *
  */
 
-static int wm8994_shutdown(FAR struct audio_lowerhalf_s *dev)
+static int wm8994_shutdown(FAR struct audio_lowerhalf_s *dev, int cnt)
 {
   FAR struct wm8994_dev_s *priv = (FAR struct wm8994_dev_s *)dev;
 
diff --git a/drivers/virtio/virtio-snd.c b/drivers/virtio/virtio-snd.c
index 210c9a49794b2..691919aa1a2bc 100644
--- a/drivers/virtio/virtio-snd.c
+++ b/drivers/virtio/virtio-snd.c
@@ -168,7 +168,7 @@ static int virtio_snd_enqueuebuffer(FAR struct audio_lowerhalf_s *dev,
 static int virtio_snd_ioctl(FAR struct audio_lowerhalf_s *dev,
                             int cmd,
                             unsigned long arg);
-static int virtio_snd_shutdown(FAR struct audio_lowerhalf_s *dev);
+static int virtio_snd_shutdown(FAR struct audio_lowerhalf_s *dev, int cnt);
 
 static int virtio_snd_probe(FAR struct virtio_device *vdev);
 static void virtio_snd_remove(FAR struct virtio_device *vdev);
@@ -243,6 +243,7 @@ static struct virtio_driver g_virtio_snd_driver =
 
 static const struct audio_ops_s g_virtio_snd_ops =
 {
+  NULL,                      /* setup          */
   virtio_snd_getcaps,        /* getcaps        */
   virtio_snd_configure,      /* configure      */
   virtio_snd_shutdown,       /* shutdown       */
@@ -1004,7 +1005,7 @@ static int virtio_snd_ioctl(FAR struct audio_lowerhalf_s *dev,
  *
  ****************************************************************************/
 
-static int virtio_snd_shutdown(FAR struct audio_lowerhalf_s *dev)
+static int virtio_snd_shutdown(FAR struct audio_lowerhalf_s *dev, int cnt)
 {
   vrtinfo("Return OK\n");
   return OK;
diff --git a/include/nuttx/audio/audio.h b/include/nuttx/audio/audio.h
index 1053d8b9ffa00..d26e780e5a9d4 100644
--- a/include/nuttx/audio/audio.h
+++ b/include/nuttx/audio/audio.h
@@ -114,6 +114,7 @@
 #define AUDIOIOC_SETPARAMTER        _AUDIOIOC(18)
 #define AUDIOIOC_GETLATENCY         _AUDIOIOC(19)
 #define AUDIOIOC_FLUSH              _AUDIOIOC(20)
+#define AUDIOIOC_VENDORSPECIFIC     _AUDIOIOC(255)
 
 /* Audio Device Types *******************************************************/
 
@@ -353,6 +354,7 @@
 #define AUDIO_MSG_COMMAND          10
 #define AUDIO_MSG_SLIENCE          11
 #define AUDIO_MSG_UNDERRUN         12
+#define AUDIO_MSG_IOERROR          13
 #define AUDIO_MSG_USER             64
 
 /* Audio Pipeline Buffer flags */
@@ -534,6 +536,10 @@ typedef CODE void (*audio_callback_t)(FAR void *priv, uint16_t reason,
 struct audio_lowerhalf_s;
 struct audio_ops_s
 {
+  /* This method is called when the related device file is opened. */
+
+  CODE int (*setup)(FAR struct audio_lowerhalf_s *dev, int opencnt);
+
   /* This method is called to retrieve the lower-half device capabilities.
    * It will be called with device type AUDIO_TYPE_QUERY to request the
    * overall capabilities, such as to determine the types of devices
@@ -571,7 +577,7 @@ struct audio_ops_s
    * processed / dequeued should be dequeued by this function.
    */
 
-  CODE int (*shutdown)(FAR struct audio_lowerhalf_s *dev);
+  CODE int (*shutdown)(FAR struct audio_lowerhalf_s *dev, int opencnt);
 
   /* Start audio streaming in the configured mode.  For input and synthesis
    * devices, this means it should begin sending streaming audio data.