Merge branch 'for-linus' into for-next

... for migrating the core changes for USB-audio disconnection fixes

43 files changed, 590 insertions, 267 deletions

diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index c40ae57..ad11dc9 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -100,12 +100,15 @@ static int snd_compr_open(struct inode *inode, struct file *f)
 
 	if (dirn != compr->direction) {
 		pr_err("this device doesn't support this direction\n");
+		snd_card_unref(compr->card);
 		return -EINVAL;
 	}
 
 	data = kzalloc(sizeof(*data), GFP_KERNEL);
-	if (!data)
+	if (!data) {
+		snd_card_unref(compr->card);
 		return -ENOMEM;
+	}
 	data->stream.ops = compr->ops;
 	data->stream.direction = dirn;
 	data->stream.private_data = compr->private_data;
@@ -113,6 +116,7 @@ static int snd_compr_open(struct inode *inode, struct file *f)
 	runtime = kzalloc(sizeof(*runtime), GFP_KERNEL);
 	if (!runtime) {
 		kfree(data);
+		snd_card_unref(compr->card);
 		return -ENOMEM;
 	}
 	runtime->state = SNDRV_PCM_STATE_OPEN;
@@ -126,7 +130,8 @@ static int snd_compr_open(struct inode *inode, struct file *f)
 		kfree(runtime);
 		kfree(data);
 	}
-	return ret;
+	snd_card_unref(compr->card);
+	return 0;
 }
 
 static int snd_compr_free(struct inode *inode, struct file *f)
diff --git a/sound/core/control.c b/sound/core/control.c
index 7e86a5b..8c7c2c9 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -86,6 +86,7 @@ static int snd_ctl_open(struct inode *inode, struct file *file)
 	write_lock_irqsave(&card->ctl_files_rwlock, flags);
 	list_add_tail(&ctl->list, &card->ctl_files);
 	write_unlock_irqrestore(&card->ctl_files_rwlock, flags);
+	snd_card_unref(card);
 	return 0;
 
       __error:
@@ -93,6 +94,8 @@ static int snd_ctl_open(struct inode *inode, struct file *file)
       __error2:
 	snd_card_file_remove(card, file);
       __error1:
+	if (card)
+		snd_card_unref(card);
       	return err;
 }
 
@@ -1434,6 +1437,8 @@ static ssize_t snd_ctl_read(struct file *file, char __user *buffer,
 			spin_unlock_irq(&ctl->read_lock);
 			schedule();
 			remove_wait_queue(&ctl->change_sleep, &wait);
+			if (ctl->card->shutdown)
+				return -ENODEV;
 			if (signal_pending(current))
 				return -ERESTARTSYS;
 			spin_lock_irq(&ctl->read_lock);
diff --git a/sound/core/hwdep.c b/sound/core/hwdep.c
index 75ea16f..3f7f662 100644
--- a/sound/core/hwdep.c
+++ b/sound/core/hwdep.c
@@ -100,8 +100,10 @@ static int snd_hwdep_open(struct inode *inode, struct file * file)
 	if (hw == NULL)
 		return -ENODEV;
 
-	if (!try_module_get(hw->card->module))
+	if (!try_module_get(hw->card->module)) {
+		snd_card_unref(hw->card);
 		return -EFAULT;
+	}
 
 	init_waitqueue_entry(&wait, current);
 	add_wait_queue(&hw->open_wait, &wait);
@@ -129,6 +131,10 @@ static int snd_hwdep_open(struct inode *inode, struct file * file)
 		mutex_unlock(&hw->open_mutex);
 		schedule();
 		mutex_lock(&hw->open_mutex);
+		if (hw->card->shutdown) {
+			err = -ENODEV;
+			break;
+		}
 		if (signal_pending(current)) {
 			err = -ERESTARTSYS;
 			break;
@@ -148,6 +154,7 @@ static int snd_hwdep_open(struct inode *inode, struct file * file)
 	mutex_unlock(&hw->open_mutex);
 	if (err < 0)
 		module_put(hw->card->module);
+	snd_card_unref(hw->card);
 	return err;
 }
 
@@ -459,12 +466,15 @@ static int snd_hwdep_dev_disconnect(struct snd_device *device)
 		mutex_unlock(&register_mutex);
 		return -EINVAL;
 	}
+	mutex_lock(&hwdep->open_mutex);
+	wake_up(&hwdep->open_wait);
 #ifdef CONFIG_SND_OSSEMUL
 	if (hwdep->ossreg)
 		snd_unregister_oss_device(hwdep->oss_type, hwdep->card, hwdep->device);
 #endif
 	snd_unregister_device(SNDRV_DEVICE_TYPE_HWDEP, hwdep->card, hwdep->device);
 	list_del_init(&hwdep->list);
+	mutex_unlock(&hwdep->open_mutex);
 	mutex_unlock(&register_mutex);
 	return 0;
 }
diff --git a/sound/core/init.c b/sound/core/init.c
index d8ec849..7b012d1 100644
--- a/sound/core/init.c
+++ b/sound/core/init.c
@@ -213,6 +213,7 @@ int snd_card_create(int idx, const char *xid,
 	spin_lock_init(&card->files_lock);
 	INIT_LIST_HEAD(&card->files_list);
 	init_waitqueue_head(&card->shutdown_sleep);
+	atomic_set(&card->refcount, 0);
 #ifdef CONFIG_PM
 	mutex_init(&card->power_lock);
 	init_waitqueue_head(&card->power_sleep);
@@ -446,21 +447,36 @@ static int snd_card_do_free(struct snd_card *card)
 	return 0;
 }
 
+/**
+ * snd_card_unref - release the reference counter
+ * @card: the card instance
+ *
+ * Decrements the reference counter.  When it reaches to zero, wake up
+ * the sleeper and call the destructor if needed.
+ */
+void snd_card_unref(struct snd_card *card)
+{
+	if (atomic_dec_and_test(&card->refcount)) {
+		wake_up(&card->shutdown_sleep);
+		if (card->free_on_last_close)
+			snd_card_do_free(card);
+	}
+}
+EXPORT_SYMBOL(snd_card_unref);
+
 int snd_card_free_when_closed(struct snd_card *card)
 {
-	int free_now = 0;
-	int ret = snd_card_disconnect(card);
-	if (ret)
-		return ret;
+	int ret;
 
-	spin_lock(&card->files_lock);
-	if (list_empty(&card->files_list))
-		free_now = 1;
-	else
-		card->free_on_last_close = 1;
-	spin_unlock(&card->files_lock);
+	atomic_inc(&card->refcount);
+	ret = snd_card_disconnect(card);
+	if (ret) {
+		atomic_dec(&card->refcount);
+		return ret;
+	}
 
-	if (free_now)
+	card->free_on_last_close = 1;
+	if (atomic_dec_and_test(&card->refcount))
 		snd_card_do_free(card);
 	return 0;
 }
@@ -474,7 +490,7 @@ int snd_card_free(struct snd_card *card)
 		return ret;
 
 	/* wait, until all devices are ready for the free operation */
-	wait_event(card->shutdown_sleep, list_empty(&card->files_list));
+	wait_event(card->shutdown_sleep, !atomic_read(&card->refcount));
 	snd_card_do_free(card);
 	return 0;
 }
@@ -886,6 +902,7 @@ int snd_card_file_add(struct snd_card *card, struct file *file)
 		return -ENODEV;
 	}
 	list_add(&mfile->list, &card->files_list);
+	atomic_inc(&card->refcount);
 	spin_unlock(&card->files_lock);
 	return 0;
 }
@@ -908,7 +925,6 @@ EXPORT_SYMBOL(snd_card_file_add);
 int snd_card_file_remove(struct snd_card *card, struct file *file)
 {
 	struct snd_monitor_file *mfile, *found = NULL;
-	int last_close = 0;
 
 	spin_lock(&card->files_lock);
 	list_for_each_entry(mfile, &card->files_list, list) {
@@ -923,19 +939,13 @@ int snd_card_file_remove(struct snd_card *card, struct file *file)
 			break;
 		}
 	}
-	if (list_empty(&card->files_list))
-		last_close = 1;
 	spin_unlock(&card->files_lock);
-	if (last_close) {
-		wake_up(&card->shutdown_sleep);
-		if (card->free_on_last_close)
-			snd_card_do_free(card);
-	}
 	if (!found) {
 		snd_printk(KERN_ERR "ALSA card file remove problem (%p)\n", file);
 		return -ENOENT;
 	}
 	kfree(found);
+	snd_card_unref(card);
 	return 0;
 }
 
diff --git a/sound/core/oss/mixer_oss.c b/sound/core/oss/mixer_oss.c
index 29f6ded..a9a2e63 100644
--- a/sound/core/oss/mixer_oss.c
+++ b/sound/core/oss/mixer_oss.c
@@ -52,14 +52,19 @@ static int snd_mixer_oss_open(struct inode *inode, struct file *file)
 					 SNDRV_OSS_DEVICE_TYPE_MIXER);
 	if (card == NULL)
 		return -ENODEV;
-	if (card->mixer_oss == NULL)
+	if (card->mixer_oss == NULL) {
+		snd_card_unref(card);
 		return -ENODEV;
+	}
 	err = snd_card_file_add(card, file);
-	if (err < 0)
+	if (err < 0) {
+		snd_card_unref(card);
 		return err;
+	}
 	fmixer = kzalloc(sizeof(*fmixer), GFP_KERNEL);
 	if (fmixer == NULL) {
 		snd_card_file_remove(card, file);
+		snd_card_unref(card);
 		return -ENOMEM;
 	}
 	fmixer->card = card;
@@ -68,6 +73,7 @@ static int snd_mixer_oss_open(struct inode *inode, struct file *file)
 	if (!try_module_get(card->module)) {
 		kfree(fmixer);
 		snd_card_file_remove(card, file);
+		snd_card_unref(card);
 		return -EFAULT;
 	}
 	return 0;
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index 08fde00..f337b66 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -2441,6 +2441,10 @@ static int snd_pcm_oss_open(struct inode *inode, struct file *file)
 		mutex_unlock(&pcm->open_mutex);
 		schedule();
 		mutex_lock(&pcm->open_mutex);
+		if (pcm->card->shutdown) {
+			err = -ENODEV;
+			break;
+		}
 		if (signal_pending(current)) {
 			err = -ERESTARTSYS;
 			break;
@@ -2457,6 +2461,8 @@ static int snd_pcm_oss_open(struct inode *inode, struct file *file)
       __error2:
       	snd_card_file_remove(pcm->card, file);
       __error1:
+	if (pcm)
+		snd_card_unref(pcm->card);
 	return err;
 }
 
diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index f299194..030102c 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -1086,11 +1086,19 @@ static int snd_pcm_dev_disconnect(struct snd_device *device)
 	if (list_empty(&pcm->list))
 		goto unlock;
 
+	mutex_lock(&pcm->open_mutex);
+	wake_up(&pcm->open_wait);
 	list_del_init(&pcm->list);
 	for (cidx = 0; cidx < 2; cidx++)
-		for (substream = pcm->streams[cidx].substream; substream; substream = substream->next)
-			if (substream->runtime)
+		for (substream = pcm->streams[cidx].substream; substream; substream = substream->next) {
+			snd_pcm_stream_lock_irq(substream);
+			if (substream->runtime) {
 				substream->runtime->status->state = SNDRV_PCM_STATE_DISCONNECTED;
+				wake_up(&substream->runtime->sleep);
+				wake_up(&substream->runtime->tsleep);
+			}
+			snd_pcm_stream_unlock_irq(substream);
+		}
 	list_for_each_entry(notify, &snd_pcm_notify_list, list) {
 		notify->n_disconnect(pcm);
 	}
@@ -1110,6 +1118,7 @@ static int snd_pcm_dev_disconnect(struct snd_device *device)
 			pcm->streams[cidx].chmap_kctl = NULL;
 		}
 	}
+	mutex_unlock(&pcm->open_mutex);
  unlock:
 	mutex_unlock(&register_mutex);
 	return 0;
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 7c80001..b329ca5 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -369,6 +369,14 @@ static int period_to_usecs(struct snd_pcm_runtime *runtime)
 	return usecs;
 }
 
+static void snd_pcm_set_state(struct snd_pcm_substream *substream, int state)
+{
+	snd_pcm_stream_lock_irq(substream);
+	if (substream->runtime->status->state != SNDRV_PCM_STATE_DISCONNECTED)
+		substream->runtime->status->state = state;
+	snd_pcm_stream_unlock_irq(substream);
+}
+
 static int snd_pcm_hw_params(struct snd_pcm_substream *substream,
 			     struct snd_pcm_hw_params *params)
 {
@@ -452,7 +460,7 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream,
 		runtime->boundary *= 2;
 
 	snd_pcm_timer_resolution_change(substream);
-	runtime->status->state = SNDRV_PCM_STATE_SETUP;
+	snd_pcm_set_state(substream, SNDRV_PCM_STATE_SETUP);
 
 	if (pm_qos_request_active(&substream->latency_pm_qos_req))
 		pm_qos_remove_request(&substream->latency_pm_qos_req);
@@ -464,7 +472,7 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream,
 	/* hardware might be unusable from this time,
 	   so we force application to retry to set
 	   the correct hardware parameter settings */
-	runtime->status->state = SNDRV_PCM_STATE_OPEN;
+	snd_pcm_set_state(substream, SNDRV_PCM_STATE_OPEN);
 	if (substream->ops->hw_free != NULL)
 		substream->ops->hw_free(substream);
 	return err;
@@ -512,7 +520,7 @@ static int snd_pcm_hw_free(struct snd_pcm_substream *substream)
 		return -EBADFD;
 	if (substream->ops->hw_free)
 		result = substream->ops->hw_free(substream);
-	runtime->status->state = SNDRV_PCM_STATE_OPEN;
+	snd_pcm_set_state(substream, SNDRV_PCM_STATE_OPEN);
 	pm_qos_remove_request(&substream->latency_pm_qos_req);
 	return result;
 }
@@ -1322,7 +1330,7 @@ static void snd_pcm_post_prepare(struct snd_pcm_substream *substream, int state)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	runtime->control->appl_ptr = runtime->status->hw_ptr;
-	runtime->status->state = SNDRV_PCM_STATE_PREPARED;
+	snd_pcm_set_state(substream, SNDRV_PCM_STATE_PREPARED);
 }
 
 static struct action_ops snd_pcm_action_prepare = {
@@ -1512,6 +1520,10 @@ static int snd_pcm_drain(struct snd_pcm_substream *substream,
 		down_read(&snd_pcm_link_rwsem);
 		snd_pcm_stream_lock_irq(substream);
 		remove_wait_queue(&to_check->sleep, &wait);
+		if (card->shutdown) {
+			result = -ENODEV;
+			break;
+		}
 		if (tout == 0) {
 			if (substream->runtime->status->state == SNDRV_PCM_STATE_SUSPENDED)
 				result = -ESTRPIPE;
@@ -1636,6 +1648,7 @@ static int snd_pcm_link(struct snd_pcm_substream *substream, int fd)
 	write_unlock_irq(&snd_pcm_link_rwlock);
 	up_write(&snd_pcm_link_rwsem);
  _nolock:
+	snd_card_unref(substream1->pcm->card);
 	fput_light(file, fput_needed);
 	if (res < 0)
 		kfree(group);
@@ -2110,7 +2123,9 @@ static int snd_pcm_playback_open(struct inode *inode, struct file *file)
 		return err;
 	pcm = snd_lookup_minor_data(iminor(inode),
 				    SNDRV_DEVICE_TYPE_PCM_PLAYBACK);
-	return snd_pcm_open(file, pcm, SNDRV_PCM_STREAM_PLAYBACK);
+	err = snd_pcm_open(file, pcm, SNDRV_PCM_STREAM_PLAYBACK);
+	snd_card_unref(pcm->card);
+	return err;
 }
 
 static int snd_pcm_capture_open(struct inode *inode, struct file *file)
@@ -2121,7 +2136,9 @@ static int snd_pcm_capture_open(struct inode *inode, struct file *file)
 		return err;
 	pcm = snd_lookup_minor_data(iminor(inode),
 				    SNDRV_DEVICE_TYPE_PCM_CAPTURE);
-	return snd_pcm_open(file, pcm, SNDRV_PCM_STREAM_CAPTURE);
+	err = snd_pcm_open(file, pcm, SNDRV_PCM_STREAM_CAPTURE);
+	snd_card_unref(pcm->card);
+	return err;
 }
 
 static int snd_pcm_open(struct file *file, struct snd_pcm *pcm, int stream)
@@ -2158,6 +2175,10 @@ static int snd_pcm_open(struct file *file, struct snd_pcm *pcm, int stream)
 		mutex_unlock(&pcm->open_mutex);
 		schedule();
 		mutex_lock(&pcm->open_mutex);
+		if (pcm->card->shutdown) {
+			err = -ENODEV;
+			break;
+		}
 		if (signal_pending(current)) {
 			err = -ERESTARTSYS;
 			break;
diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c
index ebf6e49..1bb95ae 100644
--- a/sound/core/rawmidi.c
+++ b/sound/core/rawmidi.c
@@ -379,8 +379,10 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file)
 	if (rmidi == NULL)
 		return -ENODEV;
 
-	if (!try_module_get(rmidi->card->module))
+	if (!try_module_get(rmidi->card->module)) {
+		snd_card_unref(rmidi->card);
 		return -ENXIO;
+	}
 
 	mutex_lock(&rmidi->open_mutex);
 	card = rmidi->card;
@@ -422,6 +424,10 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file)
 		mutex_unlock(&rmidi->open_mutex);
 		schedule();
 		mutex_lock(&rmidi->open_mutex);
+		if (rmidi->card->shutdown) {
+			err = -ENODEV;
+			break;
+		}
 		if (signal_pending(current)) {
 			err = -ERESTARTSYS;
 			break;
@@ -440,6 +446,7 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file)
 #endif
 	file->private_data = rawmidi_file;
 	mutex_unlock(&rmidi->open_mutex);
+	snd_card_unref(rmidi->card);
 	return 0;
 
  __error:
@@ -447,6 +454,7 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file)
  __error_card:
 	mutex_unlock(&rmidi->open_mutex);
 	module_put(rmidi->card->module);
+	snd_card_unref(rmidi->card);
 	return err;
 }
 
@@ -991,6 +999,8 @@ static ssize_t snd_rawmidi_read(struct file *file, char __user *buf, size_t coun
 			spin_unlock_irq(&runtime->lock);
 			schedule();
 			remove_wait_queue(&runtime->sleep, &wait);
+			if (rfile->rmidi->card->shutdown)
+				return -ENODEV;
 			if (signal_pending(current))
 				return result > 0 ? result : -ERESTARTSYS;
 			if (!runtime->avail)
@@ -1234,6 +1244,8 @@ static ssize_t snd_rawmidi_write(struct file *file, const char __user *buf,
 			spin_unlock_irq(&runtime->lock);
 			timeout = schedule_timeout(30 * HZ);
 			remove_wait_queue(&runtime->sleep, &wait);
+			if (rfile->rmidi->card->shutdown)
+				return -ENODEV;
 			if (signal_pending(current))
 				return result > 0 ? result : -ERESTARTSYS;
 			if (!runtime->avail && !timeout)
@@ -1609,9 +1621,20 @@ static int snd_rawmidi_dev_register(struct snd_device *device)
 static int snd_rawmidi_dev_disconnect(struct snd_device *device)
 {
 	struct snd_rawmidi *rmidi = device->device_data;
+	int dir;
 
 	mutex_lock(&register_mutex);
+	mutex_lock(&rmidi->open_mutex);
+	wake_up(&rmidi->open_wait);
 	list_del_init(&rmidi->list);
+	for (dir = 0; dir < 2; dir++) {
+		struct snd_rawmidi_substream *s;
+		list_for_each_entry(s, &rmidi->streams[dir].substreams, list) {
+			if (s->runtime)
+				wake_up(&s->runtime->sleep);
+		}
+	}
+
 #ifdef CONFIG_SND_OSSEMUL
 	if (rmidi->ossreg) {
 		if ((int)rmidi->device == midi_map[rmidi->card->number]) {
@@ -1626,6 +1649,7 @@ static int snd_rawmidi_dev_disconnect(struct snd_device *device)
 	}
 #endif /* CONFIG_SND_OSSEMUL */
 	snd_unregister_device(SNDRV_DEVICE_TYPE_RAWMIDI, rmidi->card, rmidi->device);
+	mutex_unlock(&rmidi->open_mutex);
 	mutex_unlock(&register_mutex);
 	return 0;
 }
diff --git a/sound/core/sound.c b/sound/core/sound.c
index 6439760..89780c3 100644
--- a/sound/core/sound.c
+++ b/sound/core/sound.c
@@ -98,6 +98,10 @@ static void snd_request_other(int minor)
  *
  * Checks that a minor device with the specified type is registered, and returns
  * its user data pointer.
+ *
+ * This function increments the reference counter of the card instance
+ * if an associated instance with the given minor number and type is found.
+ * The caller must call snd_card_unref() appropriately later.
  */
 void *snd_lookup_minor_data(unsigned int minor, int type)
 {
@@ -108,9 +112,11 @@ void *snd_lookup_minor_data(unsigned int minor, int type)
 		return NULL;
 	mutex_lock(&sound_mutex);
 	mreg = snd_minors[minor];
-	if (mreg && mreg->type == type)
+	if (mreg && mreg->type == type) {
 		private_data = mreg->private_data;
-	else
+		if (mreg->card_ptr)
+			atomic_inc(&mreg->card_ptr->refcount);
+	} else
 		private_data = NULL;
 	mutex_unlock(&sound_mutex);
 	return private_data;
@@ -275,6 +281,7 @@ int snd_register_device_for_dev(int type, struct snd_card *card, int dev,
 	preg->device = dev;
 	preg->f_ops = f_ops;
 	preg->private_data = private_data;
+	preg->card_ptr = card;
 	mutex_lock(&sound_mutex);
 #ifdef CONFIG_SND_DYNAMIC_MINORS
 	minor = snd_find_free_minor(type);
diff --git a/sound/core/sound_oss.c b/sound/core/sound_oss.c
index e952833..e1d79ee 100644
--- a/sound/core/sound_oss.c
+++ b/sound/core/sound_oss.c
@@ -40,6 +40,9 @@
 static struct snd_minor *snd_oss_minors[SNDRV_OSS_MINORS];
 static DEFINE_MUTEX(sound_oss_mutex);
 
+/* NOTE: This function increments the refcount of the associated card like
+ * snd_lookup_minor_data(); the caller must call snd_card_unref() appropriately
+ */
 void *snd_lookup_oss_minor_data(unsigned int minor, int type)
 {
 	struct snd_minor *mreg;
@@ -49,9 +52,11 @@ void *snd_lookup_oss_minor_data(unsigned int minor, int type)
 		return NULL;
 	mutex_lock(&sound_oss_mutex);
 	mreg = snd_oss_minors[minor];
-	if (mreg && mreg->type == type)
+	if (mreg && mreg->type == type) {
 		private_data = mreg->private_data;
-	else
+		if (mreg->card_ptr)
+			atomic_inc(&mreg->card_ptr->refcount);
+	} else
 		private_data = NULL;
 	mutex_unlock(&sound_oss_mutex);
 	return private_data;
@@ -123,6 +128,7 @@ int snd_register_oss_device(int type, struct snd_card *card, int dev,
 	preg->device = dev;
 	preg->f_ops = f_ops;
 	preg->private_data = private_data;
+	preg->card_ptr = card;
 	mutex_lock(&sound_oss_mutex);
 	snd_oss_minors[minor] = preg;
 	minor_unit = SNDRV_MINOR_OSS_DEVICE(minor);
diff --git a/sound/isa/opti9xx/miro.c b/sound/isa/opti9xx/miro.c
index 3d1afb6..4a7ff4e 100644
--- a/sound/isa/opti9xx/miro.c
+++ b/sound/isa/opti9xx/miro.c
@@ -1286,7 +1286,6 @@ static int __devinit snd_miro_probe(struct snd_card *card)
 
 	error = snd_card_miro_aci_detect(card, miro);
 	if (error < 0) {
-		snd_card_free(card);
 		snd_printk(KERN_ERR "unable to detect aci chip\n");
 		return -ENODEV;
 	}
diff --git a/sound/pci/als300.c b/sound/pci/als300.c
index 00f157a..5af3cb6 100644
--- a/sound/pci/als300.c
+++ b/sound/pci/als300.c
@@ -394,6 +394,8 @@ static int snd_als300_playback_open(struct snd_pcm_substream *substream)
 	struct snd_als300_substream_data *data = kzalloc(sizeof(*data),
 								GFP_KERNEL);
 
+	if (!data)
+		return -ENOMEM;
 	snd_als300_dbgcallenter();
 	chip->playback_substream = substream;
 	runtime->hw = snd_als300_playback_hw;
@@ -425,6 +427,8 @@ static int snd_als300_capture_open(struct snd_pcm_substream *substream)
 	struct snd_als300_substream_data *data = kzalloc(sizeof(*data),
 								GFP_KERNEL);
 
+	if (!data)
+		return -ENOMEM;
 	snd_als300_dbgcallenter();
 	chip->capture_substream = substream;
 	runtime->hw = snd_als300_capture_hw;
diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c
index bed4485..c21adb6 100644
--- a/sound/pci/emu10k1/emu10k1_main.c
+++ b/sound/pci/emu10k1/emu10k1_main.c
@@ -1416,6 +1416,15 @@ static struct snd_emu_chip_details emu_chip_details[] = {
 	 .ca0108_chip = 1,
 	 .spk71 = 1,
 	 .emu_model = EMU_MODEL_EMU1010B}, /* EMU 1010 new revision */
+	/* Tested by Maxim Kachur <mcdebugger@duganet.ru> 17th Oct 2012. */
+	/* This is MAEM8986, 0202 is MAEM8980 */
+	{.vendor = 0x1102, .device = 0x0008, .subsystem = 0x40071102,
+	 .driver = "Audigy2", .name = "E-mu 1010 PCIe [MAEM8986]",
+	 .id = "EMU1010",
+	 .emu10k2_chip = 1,
+	 .ca0108_chip = 1,
+	 .spk71 = 1,
+	 .emu_model = EMU_MODEL_EMU1010B}, /* EMU 1010 PCIe */
 	/* Tested by James@superbug.co.uk 8th July 2005. */
 	/* This is MAEM8810, 0202 is MAEM8820 */
 	{.vendor = 0x1102, .device = 0x0004, .subsystem = 0x40011102,
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index d7481f0..bffaaeb 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2278,9 +2278,12 @@ static unsigned int azx_get_position(struct azx *chip,
 		if (delay < 0)
 			delay += azx_dev->bufsize;
 		if (delay >= azx_dev->period_bytes) {
-			snd_printdd("delay %d > period_bytes %d\n",
-				delay, azx_dev->period_bytes);
-			delay = 0; /* something is wrong */
+			snd_printk(KERN_WARNING SFX
+				   "Unstable LPIB (%d >= %d); "
+				   "disabling LPIB delay counting\n",
+				   delay, azx_dev->period_bytes);
+			delay = 0;
+			chip->driver_caps &= ~AZX_DCAPS_COUNT_LPIB_DELAY;
 		}
 		azx_dev->substream->runtime->delay =
 			bytes_to_frames(azx_dev->substream->runtime, delay);
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 2d2bb66..96c0879 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2599,8 +2599,10 @@ static const char *alc_get_line_out_pfx(struct alc_spec *spec, int ch,
 			return "PCM";
 		break;
 	}
-	if (snd_BUG_ON(ch >= ARRAY_SIZE(channel_name)))
+	if (ch >= ARRAY_SIZE(channel_name)) {
+		snd_BUG();
 		return "PCM";
+	}
 
 	return channel_name[ch];
 }
@@ -5676,6 +5678,7 @@ static const struct hda_verb alc268_beep_init_verbs[] = {
 
 enum {
 	ALC268_FIXUP_INV_DMIC,
+	ALC268_FIXUP_HP_EAPD,
 };
 
 static const struct alc_fixup alc268_fixups[] = {
@@ -5683,10 +5686,26 @@ static const struct alc_fixup alc268_fixups[] = {
 		.type = ALC_FIXUP_FUNC,
 		.v.func = alc_fixup_inv_dmic_0x12,
 	},
+	[ALC268_FIXUP_HP_EAPD] = {
+		.type = ALC_FIXUP_VERBS,
+		.v.verbs = (const struct hda_verb[]) {
+			{0x15, AC_VERB_SET_EAPD_BTLENABLE, 0},
+			{}
+		}
+	},
 };
 
 static const struct alc_model_fixup alc268_fixup_models[] = {
 	{.id = ALC268_FIXUP_INV_DMIC, .name = "inv-dmic"},
+	{.id = ALC268_FIXUP_HP_EAPD, .name = "hp-eapd"},
+	{}
+};
+
+static const struct snd_pci_quirk alc268_fixup_tbl[] = {
+	/* below is codec SSID since multiple Toshiba laptops have the
+	 * same PCI SSID 1179:ff00
+	 */
+	SND_PCI_QUIRK(0x1179, 0xff06, "Toshiba P200", ALC268_FIXUP_HP_EAPD),
 	{}
 };
 
@@ -5721,7 +5740,7 @@ static int patch_alc268(struct hda_codec *codec)
 
 	spec = codec->spec;
 
-	alc_pick_fixup(codec, alc268_fixup_models, NULL, alc268_fixups);
+	alc_pick_fixup(codec, alc268_fixup_models, alc268_fixup_tbl, alc268_fixups);
 	alc_apply_fixup(codec, ALC_FIXUP_ACT_PRE_PROBE);
 
 	/* automatic parse from the BIOS config */
@@ -6187,6 +6206,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x17aa, 0x21e9, "Thinkpad Edge 15", ALC269_FIXUP_SKU_IGNORE),
 	SND_PCI_QUIRK(0x17aa, 0x21f6, "Thinkpad T530", ALC269_FIXUP_LENOVO_DOCK),
 	SND_PCI_QUIRK(0x17aa, 0x21fa, "Thinkpad X230", ALC269_FIXUP_LENOVO_DOCK),
+	SND_PCI_QUIRK(0x17aa, 0x21f3, "Thinkpad T430", ALC269_FIXUP_LENOVO_DOCK),
 	SND_PCI_QUIRK(0x17aa, 0x21fb, "Thinkpad T430s", ALC269_FIXUP_LENOVO_DOCK),
 	SND_PCI_QUIRK(0x17aa, 0x2203, "Thinkpad X230 Tablet", ALC269_FIXUP_LENOVO_DOCK),
 	SND_PCI_QUIRK(0x17aa, 0x3bf8, "Quanta FL1", ALC269_FIXUP_PCM_44K),
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 6214165..962a948 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -1764,6 +1764,8 @@ static const struct snd_pci_quirk stac92hd83xxx_cfg_tbl[] = {
 			  "HP", STAC_HP_ZEPHYR),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x3660,
 			  "HP Mini", STAC_92HD83XXX_HP_LED),
+	SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x144E,
+			  "HP Pavilion dv5", STAC_92HD83XXX_HP_INV_LED),
 	{} /* terminator */
 };
 
diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
index b12308b..f1cd1e3 100644
--- a/sound/pci/rme9652/hdspm.c
+++ b/sound/pci/rme9652/hdspm.c
@@ -971,6 +971,7 @@ static inline void snd_hdspm_initialize_midi_flush(struct hdspm *hdspm);
 static int hdspm_update_simple_mixer_controls(struct hdspm *hdspm);
 static int hdspm_autosync_ref(struct hdspm *hdspm);
 static int snd_hdspm_set_defaults(struct hdspm *hdspm);
+static int hdspm_system_clock_mode(struct hdspm *hdspm);
 static void hdspm_set_sgbuf(struct hdspm *hdspm,
 			    struct snd_pcm_substream *substream,
 			     unsigned int reg, int channels);
@@ -1989,10 +1990,14 @@ static int hdspm_get_system_sample_rate(struct hdspm *hdspm)
 	rate = hdspm_calc_dds_value(hdspm, period);
 
 	if (rate > 207000) {
-		/* Unreasonable high sample rate as seen on PCI MADI cards.
-		 * Use the cached value instead.
-		 */
-		rate = hdspm->system_sample_rate;
+		/* Unreasonable high sample rate as seen on PCI MADI cards. */
+		if (0 == hdspm_system_clock_mode(hdspm)) {
+			/* master mode, return internal sample rate */
+			rate = hdspm->system_sample_rate;
+		} else {
+			/* slave mode, return external sample rate */
+			rate = hdspm_external_sample_rate(hdspm);
+		}
 	}
 
 	return rate;
@@ -2000,12 +2005,14 @@ static int hdspm_get_system_sample_rate(struct hdspm *hdspm)
 
 
 #define HDSPM_SYSTEM_SAMPLE_RATE(xname, xindex) \
-{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
-  .name = xname, \
-  .index = xindex, \
-  .access = SNDRV_CTL_ELEM_ACCESS_READ, \
-  .info = snd_hdspm_info_system_sample_rate, \
-  .get = snd_hdspm_get_system_sample_rate \
+{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+	.name = xname, \
+	.index = xindex, \
+	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
+		SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
+	.info = snd_hdspm_info_system_sample_rate, \
+	.put = snd_hdspm_put_system_sample_rate, \
+	.get = snd_hdspm_get_system_sample_rate \
 }
 
 static int snd_hdspm_info_system_sample_rate(struct snd_kcontrol *kcontrol,
@@ -2030,6 +2037,16 @@ static int snd_hdspm_get_system_sample_rate(struct snd_kcontrol *kcontrol,
 	return 0;
 }
 
+static int snd_hdspm_put_system_sample_rate(struct snd_kcontrol *kcontrol,
+					    struct snd_ctl_elem_value *
+					    ucontrol)
+{
+	struct hdspm *hdspm = snd_kcontrol_chip(kcontrol);
+
+	hdspm_set_dds_value(hdspm, ucontrol->value.enumerated.item[0]);
+	return 0;
+}
+
 
 /**
  * Returns the WordClock sample rate class for the given card.
@@ -2163,6 +2180,7 @@ static int snd_hdspm_get_autosync_sample_rate(struct snd_kcontrol *kcontrol,
 				hdspm_get_s1_sample_rate(hdspm,
 						kcontrol->private_value-1);
 		}
+		break;
 
 	case AIO:
 		switch (kcontrol->private_value) {
@@ -2183,6 +2201,7 @@ static int snd_hdspm_get_autosync_sample_rate(struct snd_kcontrol *kcontrol,
 				hdspm_get_s1_sample_rate(hdspm,
 						ucontrol->id.index-1);
 		}
+		break;
 
 	case AES32:
 
@@ -2204,8 +2223,23 @@ static int snd_hdspm_get_autosync_sample_rate(struct snd_kcontrol *kcontrol,
 				hdspm_get_s1_sample_rate(hdspm,
 						kcontrol->private_value-1);
 			break;
+		}
+		break;
 
+	case MADI:
+	case MADIface:
+		{
+			int rate = hdspm_external_sample_rate(hdspm);
+			int i, selected_rate = 0;
+			for (i = 1; i < 10; i++)
+				if (HDSPM_bit2freq(i) == rate) {
+					selected_rate = i;
+					break;
+				}
+			ucontrol->value.enumerated.item[0] = selected_rate;
 		}
+		break;
+
 	default:
 		break;
 	}
@@ -2430,7 +2464,7 @@ static int snd_hdspm_put_clock_source(struct snd_kcontrol *kcontrol,
 
 
 #define HDSPM_PREF_SYNC_REF(xname, xindex) \
-{.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
 	.name = xname, \
 	.index = xindex, \
 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\
@@ -2766,12 +2800,12 @@ static int snd_hdspm_put_pref_sync_ref(struct snd_kcontrol *kcontrol,
 
 
 #define HDSPM_AUTOSYNC_REF(xname, xindex) \
-{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
-  .name = xname, \
-  .index = xindex, \
-  .access = SNDRV_CTL_ELEM_ACCESS_READ, \
-  .info = snd_hdspm_info_autosync_ref, \
-  .get = snd_hdspm_get_autosync_ref, \
+{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+	.name = xname, \
+	.index = xindex, \
+	.access = SNDRV_CTL_ELEM_ACCESS_READ, \
+	.info = snd_hdspm_info_autosync_ref, \
+	.get = snd_hdspm_get_autosync_ref, \
 }
 
 static int hdspm_autosync_ref(struct hdspm *hdspm)
@@ -2855,12 +2889,12 @@ static int snd_hdspm_get_autosync_ref(struct snd_kcontrol *kcontrol,
 
 
 #define HDSPM_LINE_OUT(xname, xindex) \
-{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
-  .name = xname, \
-  .index = xindex, \
-  .info = snd_hdspm_info_line_out, \
-  .get = snd_hdspm_get_line_out, \
-  .put = snd_hdspm_put_line_out \
+{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+	.name = xname, \
+	.index = xindex, \
+	.info = snd_hdspm_info_line_out, \
+	.get = snd_hdspm_get_line_out, \
+	.put = snd_hdspm_put_line_out \
 }
 
 static int hdspm_line_out(struct hdspm * hdspm)
@@ -2912,12 +2946,12 @@ static int snd_hdspm_put_line_out(struct snd_kcontrol *kcontrol,
 
 
 #define HDSPM_TX_64(xname, xindex) \
-{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
-  .name = xname, \
-  .index = xindex, \
-  .info = snd_hdspm_info_tx_64, \
-  .get = snd_hdspm_get_tx_64, \
-  .put = snd_hdspm_put_tx_64 \
+{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+	.name = xname, \
+	.index = xindex, \
+	.info = snd_hdspm_info_tx_64, \
+	.get = snd_hdspm_get_tx_64, \
+	.put = snd_hdspm_put_tx_64 \
 }
 
 static int hdspm_tx_64(struct hdspm * hdspm)
@@ -2968,12 +3002,12 @@ static int snd_hdspm_put_tx_64(struct snd_kcontrol *kcontrol,
 
 
 #define HDSPM_C_TMS(xname, xindex) \
-{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
-  .name = xname, \
-  .index = xindex, \
-  .info = snd_hdspm_info_c_tms, \
-  .get = snd_hdspm_get_c_tms, \
-  .put = snd_hdspm_put_c_tms \
+{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+	.name = xname, \
+	.index = xindex, \
+	.info = snd_hdspm_info_c_tms, \
+	.get = snd_hdspm_get_c_tms, \
+	.put = snd_hdspm_put_c_tms \
 }
 
 static int hdspm_c_tms(struct hdspm * hdspm)
@@ -3024,12 +3058,12 @@ static int snd_hdspm_put_c_tms(struct snd_kcontrol *kcontrol,
 
 
 #define HDSPM_SAFE_MODE(xname, xindex) \
-{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
-  .name = xname, \
-  .index = xindex, \
-  .info = snd_hdspm_info_safe_mode, \
-  .get = snd_hdspm_get_safe_mode, \
-  .put = snd_hdspm_put_safe_mode \
+{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+	.name = xname, \
+	.index = xindex, \
+	.info = snd_hdspm_info_safe_mode, \
+	.get = snd_hdspm_get_safe_mode, \
+	.put = snd_hdspm_put_safe_mode \
 }
 
 static int hdspm_safe_mode(struct hdspm * hdspm)
@@ -3080,12 +3114,12 @@ static int snd_hdspm_put_safe_mode(struct snd_kcontrol *kcontrol,
 
 
 #define HDSPM_EMPHASIS(xname, xindex) \
-{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
-  .name = xname, \
-  .index = xindex, \
-  .info = snd_hdspm_info_emphasis, \
-  .get = snd_hdspm_get_emphasis, \
-  .put = snd_hdspm_put_emphasis \
+{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+	.name = xname, \
+	.index = xindex, \
+	.info = snd_hdspm_info_emphasis, \
+	.get = snd_hdspm_get_emphasis, \
+	.put = snd_hdspm_put_emphasis \
 }
 
 static int hdspm_emphasis(struct hdspm * hdspm)
@@ -3136,12 +3170,12 @@ static int snd_hdspm_put_emphasis(struct snd_kcontrol *kcontrol,
 
 
 #define HDSPM_DOLBY(xname, xindex) \
-{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
-  .name = xname, \
-  .index = xindex, \
-  .info = snd_hdspm_info_dolby, \
-  .get = snd_hdspm_get_dolby, \
-  .put = snd_hdspm_put_dolby \
+{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+	.name = xname, \
+	.index = xindex, \
+	.info = snd_hdspm_info_dolby, \
+	.get = snd_hdspm_get_dolby, \
+	.put = snd_hdspm_put_dolby \
 }
 
 static int hdspm_dolby(struct hdspm * hdspm)
@@ -3192,12 +3226,12 @@ static int snd_hdspm_put_dolby(struct snd_kcontrol *kcontrol,
 
 
 #define HDSPM_PROFESSIONAL(xname, xindex) \
-{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
-  .name = xname, \
-  .index = xindex, \
-  .info = snd_hdspm_info_professional, \
-  .get = snd_hdspm_get_professional, \
-  .put = snd_hdspm_put_professional \
+{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+	.name = xname, \
+	.index = xindex, \
+	.info = snd_hdspm_info_professional, \
+	.get = snd_hdspm_get_professional, \
+	.put = snd_hdspm_put_professional \
 }
 
 static int hdspm_professional(struct hdspm * hdspm)
@@ -3247,12 +3281,12 @@ static int snd_hdspm_put_professional(struct snd_kcontrol *kcontrol,
 }
 
 #define HDSPM_INPUT_SELECT(xname, xindex) \
-{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
-  .name = xname, \
-  .index = xindex, \
-  .info = snd_hdspm_info_input_select, \
-  .get = snd_hdspm_get_input_select, \
-  .put = snd_hdspm_put_input_select \
+{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+	.name = xname, \
+	.index = xindex, \
+	.info = snd_hdspm_info_input_select, \
+	.get = snd_hdspm_get_input_select, \
+	.put = snd_hdspm_put_input_select \
 }
 
 static int hdspm_input_select(struct hdspm * hdspm)
@@ -3319,12 +3353,12 @@ static int snd_hdspm_put_input_select(struct snd_kcontrol *kcontrol,
 
 
 #define HDSPM_DS_WIRE(xname, xindex) \
-{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
-  .name = xname, \
-  .index = xindex, \
-  .info = snd_hdspm_info_ds_wire, \
-  .get = snd_hdspm_get_ds_wire, \
-  .put = snd_hdspm_put_ds_wire \
+{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+	.name = xname, \
+	.index = xindex, \
+	.info = snd_hdspm_info_ds_wire, \
+	.get = snd_hdspm_get_ds_wire, \
+	.put = snd_hdspm_put_ds_wire \
 }
 
 static int hdspm_ds_wire(struct hdspm * hdspm)
@@ -3391,12 +3425,12 @@ static int snd_hdspm_put_ds_wire(struct snd_kcontrol *kcontrol,
 
 
 #define HDSPM_QS_WIRE(xname, xindex) \
-{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
-  .name = xname, \
-  .index = xindex, \
-  .info = snd_hdspm_info_qs_wire, \
-  .get = snd_hdspm_get_qs_wire, \
-  .put = snd_hdspm_put_qs_wire \
+{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+	.name = xname, \
+	.index = xindex, \
+	.info = snd_hdspm_info_qs_wire, \
+	.get = snd_hdspm_get_qs_wire, \
+	.put = snd_hdspm_put_qs_wire \
 }
 
 static int hdspm_qs_wire(struct hdspm * hdspm)
@@ -3563,15 +3597,15 @@ static int snd_hdspm_put_madi_speedmode(struct snd_kcontrol *kcontrol,
 }
 
 #define HDSPM_MIXER(xname, xindex) \
-{ .iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
-  .name = xname, \
-  .index = xindex, \
-  .device = 0, \
-  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
-		 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
-  .info = snd_hdspm_info_mixer, \
-  .get = snd_hdspm_get_mixer, \
-  .put = snd_hdspm_put_mixer \
+{	.iface = SNDRV_CTL_ELEM_IFACE_HWDEP, \
+	.name = xname, \
+	.index = xindex, \
+	.device = 0, \
+	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
+		SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
+	.info = snd_hdspm_info_mixer, \
+	.get = snd_hdspm_get_mixer, \
+	.put = snd_hdspm_put_mixer \
 }
 
 static int snd_hdspm_info_mixer(struct snd_kcontrol *kcontrol,
@@ -3670,12 +3704,12 @@ static int snd_hdspm_put_mixer(struct snd_kcontrol *kcontrol,
 */
 
 #define HDSPM_PLAYBACK_MIXER \
-{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
-  .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE | \
-		 SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
-  .info = snd_hdspm_info_playback_mixer, \
-  .get = snd_hdspm_get_playback_mixer, \
-  .put = snd_hdspm_put_playback_mixer \
+{	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+	.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE | \
+		SNDRV_CTL_ELEM_ACCESS_VOLATILE, \
+	.info = snd_hdspm_info_playback_mixer, \
+	.get = snd_hdspm_get_playback_mixer, \
+	.put = snd_hdspm_put_playback_mixer \
 }
 
 static int snd_hdspm_info_playback_mixer(struct snd_kcontrol *kcontrol,
@@ -3851,12 +3885,17 @@ static int hdspm_sync_in_sync_check(struct hdspm *hdspm)
 		break;
 
 	case MADI:
-	case AES32:
-		status = hdspm_read(hdspm, HDSPM_statusRegister2);
+		status = hdspm_read(hdspm, HDSPM_statusRegister);
 		lock = (status & HDSPM_syncInLock) ? 1 : 0;
 		sync = (status & HDSPM_syncInSync) ? 1 : 0;
 		break;
 
+	case AES32:
+		status = hdspm_read(hdspm, HDSPM_statusRegister2);
+		lock = (status & 0x100000) ? 1 : 0;
+		sync = (status & 0x200000) ? 1 : 0;
+		break;
+
 	case MADIface:
 		break;
 	}
@@ -3942,6 +3981,7 @@ static int snd_hdspm_get_sync_check(struct snd_kcontrol *kcontrol,
 		default:
 			val = hdspm_s1_sync_check(hdspm, ucontrol->id.index-1);
 		}
+		break;
 
 	case AIO:
 		switch (kcontrol->private_value) {
@@ -3954,6 +3994,7 @@ static int snd_hdspm_get_sync_check(struct snd_kcontrol *kcontrol,
 		default:
 			val = hdspm_s1_sync_check(hdspm, ucontrol->id.index-1);
 		}
+		break;
 
 	case MADI:
 		switch (kcontrol->private_value) {
@@ -3966,6 +4007,7 @@ static int snd_hdspm_get_sync_check(struct snd_kcontrol *kcontrol,
 		case 3: /* SYNC_IN */
 			val = hdspm_sync_in_sync_check(hdspm); break;
 		}
+		break;
 
 	case MADIface:
 		val = hdspm_madi_sync_check(hdspm); /* MADI */
@@ -3983,6 +4025,7 @@ static int snd_hdspm_get_sync_check(struct snd_kcontrol *kcontrol,
 			 val = hdspm_aes_sync_check(hdspm,
 					 kcontrol->private_value-1);
 		}
+		break;
 
 	}
 
@@ -4427,9 +4470,10 @@ static struct snd_kcontrol_new snd_hdspm_controls_madi[] = {
 	HDSPM_PREF_SYNC_REF("Preferred Sync Reference", 0),
 	HDSPM_AUTOSYNC_REF("AutoSync Reference", 0),
 	HDSPM_SYSTEM_SAMPLE_RATE("System Sample Rate", 0),
+	HDSPM_AUTOSYNC_SAMPLE_RATE("External Rate", 0),
 	HDSPM_SYNC_CHECK("WC SyncCheck", 0),
 	HDSPM_SYNC_CHECK("MADI SyncCheck", 1),
-	HDSPM_SYNC_CHECK("TCO SyncCHeck", 2),
+	HDSPM_SYNC_CHECK("TCO SyncCheck", 2),
 	HDSPM_SYNC_CHECK("SYNC IN SyncCheck", 3),
 	HDSPM_LINE_OUT("Line Out", 0),
 	HDSPM_TX_64("TX 64 channels mode", 0),
diff --git a/sound/soc/Makefile b/sound/soc/Makefile
index bcbf1d0..99f32f7 100644
--- a/sound/soc/Makefile
+++ b/sound/soc/Makefile
@@ -1,8 +1,9 @@
 snd-soc-core-objs := soc-core.o soc-dapm.o soc-jack.o soc-cache.o soc-utils.o
 snd-soc-core-objs += soc-pcm.o soc-compress.o soc-io.o
 
-snd-soc-dmaengine-pcm-objs := soc-dmaengine-pcm.o
-obj-$(CONFIG_SND_SOC_DMAENGINE_PCM) += snd-soc-dmaengine-pcm.o
+ifneq ($(CONFIG_SND_SOC_DMAENGINE_PCM),)
+snd-soc-core-objs += soc-dmaengine-pcm.o
+endif
 
 obj-$(CONFIG_SND_SOC)	+= snd-soc-core.o
 obj-$(CONFIG_SND_SOC)	+= codecs/
diff --git a/sound/soc/codecs/da9055.c b/sound/soc/codecs/da9055.c
index 185d8dd..f379b08 100644
--- a/sound/soc/codecs/da9055.c
+++ b/sound/soc/codecs/da9055.c
@@ -178,6 +178,12 @@
 #define DA9055_AIF_WORD_S24_LE		(2 << 2)
 #define DA9055_AIF_WORD_S32_LE		(3 << 2)
 
+/* MIC_L_CTRL bit fields */
+#define DA9055_MIC_L_MUTE_EN		(1 << 6)
+
+/* MIC_R_CTRL bit fields */
+#define DA9055_MIC_R_MUTE_EN		(1 << 6)
+
 /* MIXIN_L_CTRL bit fields */
 #define DA9055_MIXIN_L_MIX_EN		(1 << 3)
 
@@ -476,7 +482,7 @@ static int da9055_put_alc_sw(struct snd_kcontrol *kcontrol,
 			     struct snd_ctl_elem_value *ucontrol)
 {
 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
-	u8 reg_val, adc_left, adc_right;
+	u8 reg_val, adc_left, adc_right, mic_left, mic_right;
 	int avg_left_data, avg_right_data, offset_l, offset_r;
 
 	if (ucontrol->value.integer.value[0]) {
@@ -485,6 +491,16 @@ static int da9055_put_alc_sw(struct snd_kcontrol *kcontrol,
 		 * offsets must be done first
 		 */
 
+		/* Save current values from Mic control registers */
+		mic_left = snd_soc_read(codec, DA9055_MIC_L_CTRL);
+		mic_right = snd_soc_read(codec, DA9055_MIC_R_CTRL);
+
+		/* Mute Mic PGA Left and Right */
+		snd_soc_update_bits(codec, DA9055_MIC_L_CTRL,
+				    DA9055_MIC_L_MUTE_EN, DA9055_MIC_L_MUTE_EN);
+		snd_soc_update_bits(codec, DA9055_MIC_R_CTRL,
+				    DA9055_MIC_R_MUTE_EN, DA9055_MIC_R_MUTE_EN);
+
 		/* Save current values from ADC control registers */
 		adc_left = snd_soc_read(codec, DA9055_ADC_L_CTRL);
 		adc_right = snd_soc_read(codec, DA9055_ADC_R_CTRL);
@@ -520,6 +536,10 @@ static int da9055_put_alc_sw(struct snd_kcontrol *kcontrol,
 		/* Restore original values of ADC control registers */
 		snd_soc_write(codec, DA9055_ADC_L_CTRL, adc_left);
 		snd_soc_write(codec, DA9055_ADC_R_CTRL, adc_right);
+
+		/* Restore original values of Mic control registers */
+		snd_soc_write(codec, DA9055_MIC_L_CTRL, mic_left);
+		snd_soc_write(codec, DA9055_MIC_R_CTRL, mic_right);
 	}
 
 	return snd_soc_put_volsw(kcontrol, ucontrol);
diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c
index e8f97af..00b85cc 100644
--- a/sound/soc/codecs/twl6040.c
+++ b/sound/soc/codecs/twl6040.c
@@ -820,10 +820,10 @@ static const struct snd_soc_dapm_route intercon[] = {
 	{"VIBRA DAC", NULL, "Vibra Playback"},
 
 	/* ADC -> Stream mapping */
-	{"ADC Left", NULL, "Legacy Capture"},
-	{"ADC Left", NULL, "Capture"},
-	{"ADC Right", NULL, "Legacy Capture"},
-	{"ADC Right", NULL, "Capture"},
+	{"Legacy Capture" , NULL, "ADC Left"},
+	{"Capture", NULL, "ADC Left"},
+	{"Legacy Capture", NULL, "ADC Right"},
+	{"Capture" , NULL, "ADC Right"},
 
 	/* Capture path */
 	{"Analog Left Capture Route", "Headset Mic", "HSMIC"},
diff --git a/sound/soc/codecs/wm2200.c b/sound/soc/codecs/wm2200.c
index efa93dbb..eab64a1 100644
--- a/sound/soc/codecs/wm2200.c
+++ b/sound/soc/codecs/wm2200.c
@@ -1028,7 +1028,7 @@ SOC_DOUBLE_R_TLV("OUT2 Digital Volume", WM2200_DAC_DIGITAL_VOLUME_2L,
 		 WM2200_DAC_DIGITAL_VOLUME_2R, WM2200_OUT2L_VOL_SHIFT, 0x9f, 0,
 		 digital_tlv),
 SOC_DOUBLE("OUT2 Switch", WM2200_PDM_1, WM2200_SPK1L_MUTE_SHIFT,
-	   WM2200_SPK1R_MUTE_SHIFT, 1, 0),
+	   WM2200_SPK1R_MUTE_SHIFT, 1, 1),
 };
 
 WM2200_MIXER_ENUMS(OUT1L, WM2200_OUT1LMIX_INPUT_1_SOURCE);
@@ -2091,6 +2091,7 @@ static __devinit int wm2200_i2c_probe(struct i2c_client *i2c,
 
 	switch (wm2200->rev) {
 	case 0:
+	case 1:
 		ret = regmap_register_patch(wm2200->regmap, wm2200_reva_patch,
 					    ARRAY_SIZE(wm2200_reva_patch));
 		if (ret != 0) {
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 2b2dadc..3fddc7a 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -1045,6 +1045,7 @@ static int aif1clk_ev(struct snd_soc_dapm_widget *w,
 		      struct snd_kcontrol *kcontrol, int event)
 {
 	struct snd_soc_codec *codec = w->codec;
+	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 	struct wm8994 *control = codec->control_data;
 	int mask = WM8994_AIF1DAC1L_ENA | WM8994_AIF1DAC1R_ENA;
 	int i;
@@ -1063,6 +1064,10 @@ static int aif1clk_ev(struct snd_soc_dapm_widget *w,
 
 	switch (event) {
 	case SND_SOC_DAPM_PRE_PMU:
+		/* Don't enable timeslot 2 if not in use */
+		if (wm8994->channels[0] <= 2)
+			mask &= ~(WM8994_AIF1DAC2L_ENA | WM8994_AIF1DAC2R_ENA);
+
 		val = snd_soc_read(codec, WM8994_AIF1_CONTROL_1);
 		if ((val & WM8994_AIF1ADCL_SRC) &&
 		    (val & WM8994_AIF1ADCR_SRC))
@@ -2687,7 +2692,7 @@ static int wm8994_hw_params(struct snd_pcm_substream *substream,
 		return -EINVAL;
 	}
 
-	bclk_rate = params_rate(params) * 4;
+	bclk_rate = params_rate(params);
 	switch (params_format(params)) {
 	case SNDRV_PCM_FORMAT_S16_LE:
 		bclk_rate *= 16;
@@ -2708,6 +2713,17 @@ static int wm8994_hw_params(struct snd_pcm_substream *substream,
 		return -EINVAL;
 	}
 
+	wm8994->channels[id] = params_channels(params);
+	switch (params_channels(params)) {
+	case 1:
+	case 2:
+		bclk_rate *= 2;
+		break;
+	default:
+		bclk_rate *= 4;
+		break;
+	}
+
 	/* Try to find an appropriate sample rate; look for an exact match. */
 	for (i = 0; i < ARRAY_SIZE(srs); i++)
 		if (srs[i].rate == params_rate(params))
diff --git a/sound/soc/codecs/wm8994.h b/sound/soc/codecs/wm8994.h
index f142ec1..ccbce57 100644
--- a/sound/soc/codecs/wm8994.h
+++ b/sound/soc/codecs/wm8994.h
@@ -77,6 +77,7 @@ struct wm8994_priv {
 	int sysclk_rate[2];
 	int mclk[2];
 	int aifclk[2];
+	int channels[2];
 	struct wm8994_fll_config fll[2], fll_suspend[2];
 	struct completion fll_locked[2];
 	bool fll_locked_irq;
diff --git a/sound/soc/omap/ams-delta.c b/sound/soc/omap/ams-delta.c
index dc0ee76..d8e96b2 100644
--- a/sound/soc/omap/ams-delta.c
+++ b/sound/soc/omap/ams-delta.c
@@ -575,56 +575,53 @@ static struct snd_soc_card ams_delta_audio_card = {
 };
 
 /* Module init/exit */
-static struct platform_device *ams_delta_audio_platform_device;
-static struct platform_device *cx20442_platform_device;
-
-static int __init ams_delta_module_init(void)
+static __devinit int ams_delta_probe(struct platform_device *pdev)
 {
+	struct snd_soc_card *card = &ams_delta_audio_card;
 	int ret;
 
-	if (!(machine_is_ams_delta()))
-		return -ENODEV;
-
-	ams_delta_audio_platform_device =
-			platform_device_alloc("soc-audio", -1);
-	if (!ams_delta_audio_platform_device)
-		return -ENOMEM;
+	card->dev = &pdev->dev;
 
-	platform_set_drvdata(ams_delta_audio_platform_device,
-				&ams_delta_audio_card);
-
-	ret = platform_device_add(ams_delta_audio_platform_device);
-	if (ret)
-		goto err;
-
-	/*
-	 * Codec platform device could be registered from elsewhere (board?),
-	 * but I do it here as it makes sense only if used with the card.
-	 */
-	cx20442_platform_device =
-		platform_device_register_simple("cx20442-codec", -1, NULL, 0);
+	ret = snd_soc_register_card(card);
+	if (ret) {
+		dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret);
+		card->dev = NULL;
+		return ret;
+	}
 	return 0;
-err:
-	platform_device_put(ams_delta_audio_platform_device);
-	return ret;
 }
-late_initcall(ams_delta_module_init);
 
-static void __exit ams_delta_module_exit(void)
+static int __devexit ams_delta_remove(struct platform_device *pdev)
 {
+	struct snd_soc_card *card = platform_get_drvdata(pdev);
+
 	if (tty_unregister_ldisc(N_V253) != 0)
-		dev_warn(&ams_delta_audio_platform_device->dev,
+		dev_warn(&pdev->dev,
 			"failed to unregister V253 line discipline\n");
 
 	snd_soc_jack_free_gpios(&ams_delta_hook_switch,
 			ARRAY_SIZE(ams_delta_hook_switch_gpios),
 			ams_delta_hook_switch_gpios);
 
-	platform_device_unregister(cx20442_platform_device);
-	platform_device_unregister(ams_delta_audio_platform_device);
+	snd_soc_unregister_card(card);
+	card->dev = NULL;
+	return 0;
 }
-module_exit(ams_delta_module_exit);
+
+#define DRV_NAME "ams-delta-audio"
+
+static struct platform_driver ams_delta_driver = {
+	.driver = {
+		.name = DRV_NAME,
+		.owner = THIS_MODULE,
+	},
+	.probe = ams_delta_probe,
+	.remove = __devexit_p(ams_delta_remove),
+};
+
+module_platform_driver(ams_delta_driver);
 
 MODULE_AUTHOR("Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>");
 MODULE_DESCRIPTION("ALSA SoC driver for Amstrad E3 (Delta) videophone");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:" DRV_NAME);
diff --git a/sound/soc/omap/omap-abe-twl6040.c b/sound/soc/omap/omap-abe-twl6040.c
index 4a73ef3..a57a4e6 100644
--- a/sound/soc/omap/omap-abe-twl6040.c
+++ b/sound/soc/omap/omap-abe-twl6040.c
@@ -216,7 +216,7 @@ static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd)
 	twl6040_disconnect_pin(dapm, pdata->has_hf, "Ext Spk");
 	twl6040_disconnect_pin(dapm, pdata->has_ep, "Earphone Spk");
 	twl6040_disconnect_pin(dapm, pdata->has_aux, "Line Out");
-	twl6040_disconnect_pin(dapm, pdata->has_vibra, "Vinrator");
+	twl6040_disconnect_pin(dapm, pdata->has_vibra, "Vibrator");
 	twl6040_disconnect_pin(dapm, pdata->has_hsmic, "Headset Mic");
 	twl6040_disconnect_pin(dapm, pdata->has_mainmic, "Main Handset Mic");
 	twl6040_disconnect_pin(dapm, pdata->has_submic, "Sub Handset Mic");
diff --git a/sound/soc/omap/omap-dmic.c b/sound/soc/omap/omap-dmic.c
index 68f2cd1..5a6aeaf 100644
--- a/sound/soc/omap/omap-dmic.c
+++ b/sound/soc/omap/omap-dmic.c
@@ -464,9 +464,9 @@ static __devinit int asoc_dmic_probe(struct platform_device *pdev)
 
 	mutex_init(&dmic->mutex);
 
-	dmic->fclk = clk_get(dmic->dev, "dmic_fck");
+	dmic->fclk = clk_get(dmic->dev, "fck");
 	if (IS_ERR(dmic->fclk)) {
-		dev_err(dmic->dev, "cant get dmic_fck\n");
+		dev_err(dmic->dev, "cant get fck\n");
 		return -ENODEV;
 	}
 
diff --git a/sound/soc/omap/omap-mcpdm.c b/sound/soc/omap/omap-mcpdm.c
index c02b001..56965bb 100644
--- a/sound/soc/omap/omap-mcpdm.c
+++ b/sound/soc/omap/omap-mcpdm.c
@@ -40,7 +40,6 @@
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
 
-#include <plat/omap_hwmod.h>
 #include "omap-mcpdm.h"
 #include "omap-pcm.h"
 
@@ -260,13 +259,9 @@ static int omap_mcpdm_dai_startup(struct snd_pcm_substream *substream,
 	mutex_lock(&mcpdm->mutex);
 
 	if (!dai->active) {
-		/* Enable watch dog for ES above ES 1.0 to avoid saturation */
-		if (omap_rev() != OMAP4430_REV_ES1_0) {
-			u32 ctrl = omap_mcpdm_read(mcpdm, MCPDM_REG_CTRL);
+		u32 ctrl = omap_mcpdm_read(mcpdm, MCPDM_REG_CTRL);
 
-			omap_mcpdm_write(mcpdm, MCPDM_REG_CTRL,
-					 ctrl | MCPDM_WD_EN);
-		}
+		omap_mcpdm_write(mcpdm, MCPDM_REG_CTRL, ctrl | MCPDM_WD_EN);
 		omap_mcpdm_open_streams(mcpdm);
 	}
 	mutex_unlock(&mcpdm->mutex);
diff --git a/sound/soc/omap/zoom2.c b/sound/soc/omap/zoom2.c
index 677b567..1ff6bb9 100644
--- a/sound/soc/omap/zoom2.c
+++ b/sound/soc/omap/zoom2.c
@@ -21,15 +21,14 @@
 
 #include <linux/clk.h>
 #include <linux/platform_device.h>
+#include <linux/gpio.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/soc.h>
 
 #include <asm/mach-types.h>
-#include <mach/hardware.h>
-#include <mach/gpio.h>
-#include <mach/board-zoom.h>
 #include <linux/platform_data/asoc-ti-mcbsp.h>
+#include <linux/platform_data/gpio-omap.h>
 
 /* Register descriptions for twl4030 codec part */
 #include <linux/mfd/twl4030-audio.h>
diff --git a/sound/soc/pxa/mmp-pcm.c b/sound/soc/pxa/mmp-pcm.c
index 73ac546..e834faf 100644
--- a/sound/soc/pxa/mmp-pcm.c
+++ b/sound/soc/pxa/mmp-pcm.c
@@ -15,13 +15,13 @@
 #include <linux/slab.h>
 #include <linux/dma-mapping.h>
 #include <linux/dmaengine.h>
+#include <linux/platform_data/dma-mmp_tdma.h>
 #include <linux/platform_data/mmp_audio.h>
 #include <sound/pxa2xx-lib.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
-#include <mach/sram.h>
 #include <sound/dmaengine_pcm.h>
 
 struct mmp_dma_data {
diff --git a/sound/soc/samsung/bells.c b/sound/soc/samsung/bells.c
index 5dc10df..b0d46d6 100644
--- a/sound/soc/samsung/bells.c
+++ b/sound/soc/samsung/bells.c
@@ -212,7 +212,7 @@ static struct snd_soc_dai_link bells_dai_wm5102[] = {
 	{
 		.name = "Sub",
 		.stream_name = "Sub",
-		.cpu_dai_name = "wm5102-aif3",
+		.cpu_dai_name = "wm5110-aif3",
 		.codec_dai_name = "wm9081-hifi",
 		.codec_name = "wm9081.1-006c",
 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
@@ -247,7 +247,7 @@ static struct snd_soc_dai_link bells_dai_wm5110[] = {
 	{
 		.name = "Sub",
 		.stream_name = "Sub",
-		.cpu_dai_name = "wm5102-aif3",
+		.cpu_dai_name = "wm5110-aif3",
 		.codec_dai_name = "wm9081-hifi",
 		.codec_name = "wm9081.1-006c",
 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index 5328ae5..9d7f307 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -20,6 +20,7 @@
 #include <linux/sh_dma.h>
 #include <linux/slab.h>
 #include <linux/module.h>
+#include <linux/workqueue.h>
 #include <sound/soc.h>
 #include <sound/sh_fsi.h>
 
@@ -223,7 +224,7 @@ struct fsi_stream {
 	 */
 	struct dma_chan		*chan;
 	struct sh_dmae_slave	slave; /* see fsi_handler_init() */
-	struct tasklet_struct	tasklet;
+	struct work_struct	work;
 	dma_addr_t		dma;
 };
 
@@ -1085,9 +1086,9 @@ static void fsi_dma_complete(void *data)
 	snd_pcm_period_elapsed(io->substream);
 }
 
-static void fsi_dma_do_tasklet(unsigned long data)
+static void fsi_dma_do_work(struct work_struct *work)
 {
-	struct fsi_stream *io = (struct fsi_stream *)data;
+	struct fsi_stream *io = container_of(work, struct fsi_stream, work);
 	struct fsi_priv *fsi = fsi_stream_to_priv(io);
 	struct snd_soc_dai *dai;
 	struct dma_async_tx_descriptor *desc;
@@ -1129,7 +1130,7 @@ static void fsi_dma_do_tasklet(unsigned long data)
 	 * FIXME
 	 *
 	 * In DMAEngine case, codec and FSI cannot be started simultaneously
-	 * since FSI is using tasklet.
+	 * since FSI is using the scheduler work queue.
 	 * Therefore, in capture case, probably FSI FIFO will have got
 	 * overflow error in this point.
 	 * in that case, DMA cannot start transfer until error was cleared.
@@ -1153,7 +1154,7 @@ static bool fsi_dma_filter(struct dma_chan *chan, void *param)
 
 static int fsi_dma_transfer(struct fsi_priv *fsi, struct fsi_stream *io)
 {
-	tasklet_schedule(&io->tasklet);
+	schedule_work(&io->work);
 
 	return 0;
 }
@@ -1195,14 +1196,14 @@ static int fsi_dma_probe(struct fsi_priv *fsi, struct fsi_stream *io, struct dev
 		return fsi_stream_probe(fsi, dev);
 	}
 
-	tasklet_init(&io->tasklet, fsi_dma_do_tasklet, (unsigned long)io);
+	INIT_WORK(&io->work, fsi_dma_do_work);
 
 	return 0;
 }
 
 static int fsi_dma_remove(struct fsi_priv *fsi, struct fsi_stream *io)
 {
-	tasklet_kill(&io->tasklet);
+	cancel_work_sync(&io->work);
 
 	fsi_stream_stop(fsi, io);
 
diff --git a/sound/soc/soc-jack.c b/sound/soc/soc-jack.c
index fa0fd8d..1ab5fe0 100644
--- a/sound/soc/soc-jack.c
+++ b/sound/soc/soc-jack.c
@@ -22,7 +22,7 @@
 
 /**
  * snd_soc_jack_new - Create a new jack
- * @card:  ASoC card
+ * @codec: ASoC codec
  * @id:    an identifying string for this jack
  * @type:  a bitmask of enum snd_jack_type values that can be detected by
  *         this jack
@@ -133,12 +133,13 @@ EXPORT_SYMBOL_GPL(snd_soc_jack_add_zones);
 
 /**
  * snd_soc_jack_get_type - Based on the mic bias value, this function returns
- * the type of jack from the zones delcared in the jack type
+ * the type of jack from the zones declared in the jack type
  *
+ * @jack:  ASoC jack
  * @micbias_voltage:  mic bias voltage at adc channel when jack is plugged in
  *
  * Based on the mic bias value passed, this function helps identify
- * the type of jack from the already delcared jack zones
+ * the type of jack from the already declared jack zones
  */
 int snd_soc_jack_get_type(struct snd_soc_jack *jack, int micbias_voltage)
 {
diff --git a/sound/soc/ux500/mop500.c b/sound/soc/ux500/mop500.c
index 356611d..54f7e25 100644
--- a/sound/soc/ux500/mop500.c
+++ b/sound/soc/ux500/mop500.c
@@ -57,6 +57,20 @@ static struct snd_soc_card mop500_card = {
 	.num_links = ARRAY_SIZE(mop500_dai_links),
 };
 
+static void mop500_of_node_put(void)
+{
+	int i;
+
+	for (i = 0; i < 2; i++) {
+		if (mop500_dai_links[i].cpu_of_node)
+			of_node_put((struct device_node *)
+				mop500_dai_links[i].cpu_of_node);
+		if (mop500_dai_links[i].codec_of_node)
+			of_node_put((struct device_node *)
+				mop500_dai_links[i].codec_of_node);
+	}
+}
+
 static int __devinit mop500_of_probe(struct platform_device *pdev,
 				struct device_node *np)
 {
@@ -69,6 +83,7 @@ static int __devinit mop500_of_probe(struct platform_device *pdev,
 
 	if (!(msp_np[0] && msp_np[1] && codec_np)) {
 		dev_err(&pdev->dev, "Phandle missing or invalid\n");
+		mop500_of_node_put();
 		return -EINVAL;
 	}
 
@@ -83,6 +98,7 @@ static int __devinit mop500_of_probe(struct platform_device *pdev,
 
 	return 0;
 }
+
 static int __devinit mop500_probe(struct platform_device *pdev)
 {
 	struct device_node *np = pdev->dev.of_node;
@@ -128,6 +144,7 @@ static int __devexit mop500_remove(struct platform_device *pdev)
 
 	snd_soc_unregister_card(mop500_card);
 	mop500_ab8500_remove(mop500_card);
+	mop500_of_node_put();
 
 	return 0;
 }
diff --git a/sound/soc/ux500/ux500_msp_i2s.c b/sound/soc/ux500/ux500_msp_i2s.c
index b7c996e..a26c6bf 100644
--- a/sound/soc/ux500/ux500_msp_i2s.c
+++ b/sound/soc/ux500/ux500_msp_i2s.c
@@ -18,6 +18,7 @@
 #include <linux/pinctrl/consumer.h>
 #include <linux/delay.h>
 #include <linux/slab.h>
+#include <linux/io.h>
 #include <linux/of.h>
 
 #include <mach/hardware.h>
@@ -697,14 +698,11 @@ int ux500_msp_i2s_init_msp(struct platform_device *pdev,
 			platform_data = devm_kzalloc(&pdev->dev,
 				sizeof(struct msp_i2s_platform_data), GFP_KERNEL);
 			if (!platform_data)
-				ret = -ENOMEM;
+				return -ENOMEM;
 		}
 	} else
 		if (!platform_data)
-			ret = -EINVAL;
-
-	if (ret)
-		goto err_res;
+			return -EINVAL;
 
 	dev_dbg(&pdev->dev, "%s: Enter (name: %s, id: %d).\n", __func__,
 		pdev->name, platform_data->id);
diff --git a/sound/usb/card.c b/sound/usb/card.c
index 561bb74..282f0fc 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -339,7 +339,7 @@ static int snd_usb_audio_create(struct usb_device *dev, int idx,
 	}
 
 	mutex_init(&chip->mutex);
-	mutex_init(&chip->shutdown_mutex);
+	init_rwsem(&chip->shutdown_rwsem);
 	chip->index = idx;
 	chip->dev = dev;
 	chip->card = card;
@@ -560,7 +560,7 @@ static void snd_usb_audio_disconnect(struct usb_device *dev,
 
 	card = chip->card;
 	mutex_lock(&register_mutex);
-	mutex_lock(&chip->shutdown_mutex);
+	down_write(&chip->shutdown_rwsem);
 	chip->shutdown = 1;
 	chip->num_interfaces--;
 	if (chip->num_interfaces <= 0) {
@@ -582,11 +582,11 @@ static void snd_usb_audio_disconnect(struct usb_device *dev,
 			snd_usb_mixer_disconnect(p);
 		}
 		usb_chip[chip->index] = NULL;
-		mutex_unlock(&chip->shutdown_mutex);
+		up_write(&chip->shutdown_rwsem);
 		mutex_unlock(&register_mutex);
 		snd_card_free_when_closed(card);
 	} else {
-		mutex_unlock(&chip->shutdown_mutex);
+		up_write(&chip->shutdown_rwsem);
 		mutex_unlock(&register_mutex);
 	}
 }
@@ -618,16 +618,20 @@ int snd_usb_autoresume(struct snd_usb_audio *chip)
 {
 	int err = -ENODEV;
 
+	down_read(&chip->shutdown_rwsem);
 	if (!chip->shutdown && !chip->probing)
 		err = usb_autopm_get_interface(chip->pm_intf);
+	up_read(&chip->shutdown_rwsem);
 
 	return err;
 }
 
 void snd_usb_autosuspend(struct snd_usb_audio *chip)
 {
+	down_read(&chip->shutdown_rwsem);
 	if (!chip->shutdown && !chip->probing)
 		usb_autopm_put_interface(chip->pm_intf);
+	up_read(&chip->shutdown_rwsem);
 }
 
 static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message)
diff --git a/sound/usb/card.h b/sound/usb/card.h
index afa4f9e..814cb35 100644
--- a/sound/usb/card.h
+++ b/sound/usb/card.h
@@ -126,6 +126,7 @@ struct snd_usb_substream {
 	struct snd_usb_endpoint *sync_endpoint;
 	unsigned long flags;
 	bool need_setup_ep;		/* (re)configure EP at prepare? */
+	unsigned int speed;		/* USB_SPEED_XXX */
 
 	u64 formats;			/* format bitmasks (all or'ed) */
 	unsigned int num_formats;		/* number of supported audio formats (list) */
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index fe56c9d..298070e 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -287,25 +287,32 @@ static int get_ctl_value_v1(struct usb_mixer_elem_info *cval, int request, int v
 	unsigned char buf[2];
 	int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1;
 	int timeout = 10;
-	int err;
+	int idx = 0, err;
 
 	err = snd_usb_autoresume(cval->mixer->chip);
 	if (err < 0)
 		return -EIO;
+	down_read(&chip->shutdown_rwsem);
 	while (timeout-- > 0) {
+		if (chip->shutdown)
+			break;
+		idx = snd_usb_ctrl_intf(chip) | (cval->id << 8);
 		if (snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), request,
 				    USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
-				    validx, snd_usb_ctrl_intf(chip) | (cval->id << 8),
-				    buf, val_len) >= val_len) {
+				    validx, idx, buf, val_len) >= val_len) {
 			*value_ret = convert_signed_value(cval, snd_usb_combine_bytes(buf, val_len));
-			snd_usb_autosuspend(cval->mixer->chip);
-			return 0;
+			err = 0;
+			goto out;
 		}
 	}
-	snd_usb_autosuspend(cval->mixer->chip);
 	snd_printdd(KERN_ERR "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n",
-		    request, validx, snd_usb_ctrl_intf(chip) | (cval->id << 8), cval->val_type);
-	return -EINVAL;
+		    request, validx, idx, cval->val_type);
+	err = -EINVAL;
+
+ out:
+	up_read(&chip->shutdown_rwsem);
+	snd_usb_autosuspend(cval->mixer->chip);
+	return err;
 }
 
 static int get_ctl_value_v2(struct usb_mixer_elem_info *cval, int request, int validx, int *value_ret)
@@ -313,7 +320,7 @@ static int get_ctl_value_v2(struct usb_mixer_elem_info *cval, int request, int v
 	struct snd_usb_audio *chip = cval->mixer->chip;
 	unsigned char buf[2 + 3*sizeof(__u16)]; /* enough space for one range */
 	unsigned char *val;
-	int ret, size;
+	int idx = 0, ret, size;
 	__u8 bRequest;
 
 	if (request == UAC_GET_CUR) {
@@ -330,16 +337,22 @@ static int get_ctl_value_v2(struct usb_mixer_elem_info *cval, int request, int v
 	if (ret)
 		goto error;
 
-	ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), bRequest,
+	down_read(&chip->shutdown_rwsem);
+	if (chip->shutdown)
+		ret = -ENODEV;
+	else {
+		idx = snd_usb_ctrl_intf(chip) | (cval->id << 8);
+		ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), bRequest,
 			      USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
-			      validx, snd_usb_ctrl_intf(chip) | (cval->id << 8),
-			      buf, size);
+			      validx, idx, buf, size);
+	}
+	up_read(&chip->shutdown_rwsem);
 	snd_usb_autosuspend(chip);
 
 	if (ret < 0) {
 error:
 		snd_printk(KERN_ERR "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n",
-			   request, validx, snd_usb_ctrl_intf(chip) | (cval->id << 8), cval->val_type);
+			   request, validx, idx, cval->val_type);
 		return ret;
 	}
 
@@ -417,7 +430,7 @@ int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval,
 {
 	struct snd_usb_audio *chip = cval->mixer->chip;
 	unsigned char buf[2];
-	int val_len, err, timeout = 10;
+	int idx = 0, val_len, err, timeout = 10;
 
 	if (cval->mixer->protocol == UAC_VERSION_1) {
 		val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1;
@@ -440,19 +453,27 @@ int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval,
 	err = snd_usb_autoresume(chip);
 	if (err < 0)
 		return -EIO;
-	while (timeout-- > 0)
+	down_read(&chip->shutdown_rwsem);
+	while (timeout-- > 0) {
+		if (chip->shutdown)
+			break;
+		idx = snd_usb_ctrl_intf(chip) | (cval->id << 8);
 		if (snd_usb_ctl_msg(chip->dev,
 				    usb_sndctrlpipe(chip->dev, 0), request,
 				    USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
-				    validx, snd_usb_ctrl_intf(chip) | (cval->id << 8),
-				    buf, val_len) >= 0) {
-			snd_usb_autosuspend(chip);
-			return 0;
+				    validx, idx, buf, val_len) >= 0) {
+			err = 0;
+			goto out;
 		}
-	snd_usb_autosuspend(chip);
+	}
 	snd_printdd(KERN_ERR "cannot set ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d, data = %#x/%#x\n",
-		    request, validx, snd_usb_ctrl_intf(chip) | (cval->id << 8), cval->val_type, buf[0], buf[1]);
-	return -EINVAL;
+		    request, validx, idx, cval->val_type, buf[0], buf[1]);
+	err = -EINVAL;
+
+ out:
+	up_read(&chip->shutdown_rwsem);
+	snd_usb_autosuspend(chip);
+	return err;
 }
 
 static int set_cur_ctl_value(struct usb_mixer_elem_info *cval, int validx, int value)
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index 690000d..ae2b714 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -283,6 +283,11 @@ static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e
 	if (value > 1)
 		return -EINVAL;
 	changed = value != mixer->audigy2nx_leds[index];
+	down_read(&mixer->chip->shutdown_rwsem);
+	if (mixer->chip->shutdown) {
+		err = -ENODEV;
+		goto out;
+	}
 	if (mixer->chip->usb_id == USB_ID(0x041e, 0x3042))
 		err = snd_usb_ctl_msg(mixer->chip->dev,
 			      usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
@@ -299,6 +304,8 @@ static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e
 			      usb_sndctrlpipe(mixer->chip->dev, 0), 0x24,
 			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 			      value, index + 2, NULL, 0);
+ out:
+	up_read(&mixer->chip->shutdown_rwsem);
 	if (err < 0)
 		return err;
 	mixer->audigy2nx_leds[index] = value;
@@ -392,11 +399,16 @@ static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
 
 	for (i = 0; jacks[i].name; ++i) {
 		snd_iprintf(buffer, "%s: ", jacks[i].name);
-		err = snd_usb_ctl_msg(mixer->chip->dev,
+		down_read(&mixer->chip->shutdown_rwsem);
+		if (mixer->chip->shutdown)
+			err = 0;
+		else
+			err = snd_usb_ctl_msg(mixer->chip->dev,
 				      usb_rcvctrlpipe(mixer->chip->dev, 0),
 				      UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS |
 				      USB_RECIP_INTERFACE, 0,
 				      jacks[i].unitid << 8, buf, 3);
+		up_read(&mixer->chip->shutdown_rwsem);
 		if (err == 3 && (buf[0] == 3 || buf[0] == 6))
 			snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]);
 		else
@@ -426,10 +438,15 @@ static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
 	else
 		new_status = old_status & ~0x02;
 	changed = new_status != old_status;
-	err = snd_usb_ctl_msg(mixer->chip->dev,
+	down_read(&mixer->chip->shutdown_rwsem);
+	if (mixer->chip->shutdown)
+		err = -ENODEV;
+	else
+		err = snd_usb_ctl_msg(mixer->chip->dev,
 			      usb_sndctrlpipe(mixer->chip->dev, 0), 0x08,
 			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 			      50, 0, &new_status, 1);
+	up_read(&mixer->chip->shutdown_rwsem);
 	if (err < 0)
 		return err;
 	mixer->xonar_u1_status = new_status;
@@ -468,11 +485,17 @@ static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol,
 	u8 bRequest = (kcontrol->private_value >> 16) & 0xff;
 	u16 wIndex = kcontrol->private_value & 0xffff;
 	u8 tmp;
+	int ret;
 
-	int ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), bRequest,
+	down_read(&mixer->chip->shutdown_rwsem);
+	if (mixer->chip->shutdown)
+		ret = -ENODEV;
+	else
+		ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), bRequest,
 				  USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
 				  0, cpu_to_le16(wIndex),
 				  &tmp, sizeof(tmp), 1000);
+	up_read(&mixer->chip->shutdown_rwsem);
 
 	if (ret < 0) {
 		snd_printk(KERN_ERR
@@ -493,11 +516,17 @@ static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol,
 	u8 bRequest = (kcontrol->private_value >> 16) & 0xff;
 	u16 wIndex = kcontrol->private_value & 0xffff;
 	u16 wValue = ucontrol->value.integer.value[0];
+	int ret;
 
-	int ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), bRequest,
+	down_read(&mixer->chip->shutdown_rwsem);
+	if (mixer->chip->shutdown)
+		ret = -ENODEV;
+	else
+		ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), bRequest,
 				  USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT,
 				  cpu_to_le16(wValue), cpu_to_le16(wIndex),
 				  NULL, 0, 1000);
+	up_read(&mixer->chip->shutdown_rwsem);
 
 	if (ret < 0) {
 		snd_printk(KERN_ERR
@@ -656,11 +685,16 @@ static int snd_ftu_eff_switch_get(struct snd_kcontrol *kctl,
 		return -EINVAL;
 
 
-	err = snd_usb_ctl_msg(chip->dev,
+	down_read(&mixer->chip->shutdown_rwsem);
+	if (mixer->chip->shutdown)
+		err = -ENODEV;
+	else
+		err = snd_usb_ctl_msg(chip->dev,
 			usb_rcvctrlpipe(chip->dev, 0), UAC_GET_CUR,
 			USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
 			validx << 8, snd_usb_ctrl_intf(chip) | (id << 8),
 			value, val_len);
+	up_read(&mixer->chip->shutdown_rwsem);
 	if (err < 0)
 		return err;
 
@@ -703,11 +737,16 @@ static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl,
 
 	if (!pval->is_cached) {
 		/* Read current value */
-		err = snd_usb_ctl_msg(chip->dev,
+		down_read(&mixer->chip->shutdown_rwsem);
+		if (mixer->chip->shutdown)
+			err = -ENODEV;
+		else
+			err = snd_usb_ctl_msg(chip->dev,
 				usb_rcvctrlpipe(chip->dev, 0), UAC_GET_CUR,
 				USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN,
 				validx << 8, snd_usb_ctrl_intf(chip) | (id << 8),
 				value, val_len);
+		up_read(&mixer->chip->shutdown_rwsem);
 		if (err < 0)
 			return err;
 
@@ -719,11 +758,16 @@ static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl,
 	if (cur_val != new_val) {
 		value[0] = new_val;
 		value[1] = 0;
-		err = snd_usb_ctl_msg(chip->dev,
+		down_read(&mixer->chip->shutdown_rwsem);
+		if (mixer->chip->shutdown)
+			err = -ENODEV;
+		else
+			err = snd_usb_ctl_msg(chip->dev,
 				usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR,
 				USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
 				validx << 8, snd_usb_ctrl_intf(chip) | (id << 8),
 				value, val_len);
+		up_read(&mixer->chip->shutdown_rwsem);
 		if (err < 0)
 			return err;
 
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index f77b87a..8ca6edf 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -71,6 +71,8 @@ static snd_pcm_uframes_t snd_usb_pcm_pointer(struct snd_pcm_substream *substream
 	unsigned int hwptr_done;
 
 	subs = (struct snd_usb_substream *)substream->runtime->private_data;
+	if (subs->stream->chip->shutdown)
+		return SNDRV_PCM_POS_XRUN;
 	spin_lock(&subs->lock);
 	hwptr_done = subs->hwptr_done;
 	substream->runtime->delay = snd_usb_pcm_delay(subs,
@@ -441,7 +443,6 @@ static int configure_endpoint(struct snd_usb_substream *subs)
 {
 	int ret;
 
-	mutex_lock(&subs->stream->chip->shutdown_mutex);
 	/* format changed */
 	stop_endpoints(subs, 0, 0, 0);
 	ret = snd_usb_endpoint_set_params(subs->data_endpoint,
@@ -452,7 +453,7 @@ static int configure_endpoint(struct snd_usb_substream *subs)
 					  subs->cur_audiofmt,
 					  subs->sync_endpoint);
 	if (ret < 0)
-		goto unlock;
+		return ret;
 
 	if (subs->sync_endpoint)
 		ret = snd_usb_endpoint_set_params(subs->data_endpoint,
@@ -462,9 +463,6 @@ static int configure_endpoint(struct snd_usb_substream *subs)
 						  subs->cur_rate,
 						  subs->cur_audiofmt,
 						  NULL);
-
-unlock:
-	mutex_unlock(&subs->stream->chip->shutdown_mutex);
 	return ret;
 }
 
@@ -502,7 +500,13 @@ static int snd_usb_hw_params(struct snd_pcm_substream *substream,
 		return -EINVAL;
 	}
 
-	if ((ret = set_format(subs, fmt)) < 0)
+	down_read(&subs->stream->chip->shutdown_rwsem);
+	if (subs->stream->chip->shutdown)
+		ret = -ENODEV;
+	else
+		ret = set_format(subs, fmt);
+	up_read(&subs->stream->chip->shutdown_rwsem);
+	if (ret < 0)
 		return ret;
 
 	subs->interface = fmt->iface;
@@ -524,10 +528,12 @@ static int snd_usb_hw_free(struct snd_pcm_substream *substream)
 	subs->cur_audiofmt = NULL;
 	subs->cur_rate = 0;
 	subs->period_bytes = 0;
-	mutex_lock(&subs->stream->chip->shutdown_mutex);
-	stop_endpoints(subs, 0, 1, 1);
-	deactivate_endpoints(subs);
-	mutex_unlock(&subs->stream->chip->shutdown_mutex);
+	down_read(&subs->stream->chip->shutdown_rwsem);
+	if (!subs->stream->chip->shutdown) {
+		stop_endpoints(subs, 0, 1, 1);
+		deactivate_endpoints(subs);
+	}
+	up_read(&subs->stream->chip->shutdown_rwsem);
 	return snd_pcm_lib_free_vmalloc_buffer(substream);
 }
 
@@ -549,12 +555,19 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream)
 		return -ENXIO;
 	}
 
-	if (snd_BUG_ON(!subs->data_endpoint))
-		return -EIO;
+	down_read(&subs->stream->chip->shutdown_rwsem);
+	if (subs->stream->chip->shutdown) {
+		ret = -ENODEV;
+		goto unlock;
+	}
+	if (snd_BUG_ON(!subs->data_endpoint)) {
+		ret = -EIO;
+		goto unlock;
+	}
 
 	ret = set_format(subs, subs->cur_audiofmt);
 	if (ret < 0)
-		return ret;
+		goto unlock;
 
 	iface = usb_ifnum_to_if(subs->dev, subs->cur_audiofmt->iface);
 	alts = &iface->altsetting[subs->cur_audiofmt->altset_idx];
@@ -564,12 +577,12 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream)
 				       subs->cur_audiofmt,
 				       subs->cur_rate);
 	if (ret < 0)
-		return ret;
+		goto unlock;
 
 	if (subs->need_setup_ep) {
 		ret = configure_endpoint(subs);
 		if (ret < 0)
-			return ret;
+			goto unlock;
 		subs->need_setup_ep = false;
 	}
 
@@ -589,9 +602,11 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream)
 	/* for playback, submit the URBs now; otherwise, the first hwptr_done
 	 * updates for all URBs would happen at the same time when starting */
 	if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK)
-		return start_endpoints(subs, 1);
+		ret = start_endpoints(subs, 1);
 
-	return 0;
+ unlock:
+	up_read(&subs->stream->chip->shutdown_rwsem);
+	return ret;
 }
 
 static struct snd_pcm_hardware snd_usb_hardware =
@@ -644,7 +659,7 @@ static int hw_check_valid_format(struct snd_usb_substream *subs,
 		return 0;
 	}
 	/* check whether the period time is >= the data packet interval */
-	if (snd_usb_get_speed(subs->dev) != USB_SPEED_FULL) {
+	if (subs->speed != USB_SPEED_FULL) {
 		ptime = 125 * (1 << fp->datainterval);
 		if (ptime > pt->max || (ptime == pt->max && pt->openmax)) {
 			hwc_debug("   > check: ptime %u > max %u\n", ptime, pt->max);
@@ -922,7 +937,7 @@ static int setup_hw_info(struct snd_pcm_runtime *runtime, struct snd_usb_substre
 		return err;
 
 	param_period_time_if_needed = SNDRV_PCM_HW_PARAM_PERIOD_TIME;
-	if (snd_usb_get_speed(subs->dev) == USB_SPEED_FULL)
+	if (subs->speed == USB_SPEED_FULL)
 		/* full speed devices have fixed data packet interval */
 		ptmin = 1000;
 	if (ptmin == 1000)
diff --git a/sound/usb/proc.c b/sound/usb/proc.c
index ebc1a5b..d218f76 100644
--- a/sound/usb/proc.c
+++ b/sound/usb/proc.c
@@ -108,7 +108,7 @@ static void proc_dump_substream_formats(struct snd_usb_substream *subs, struct s
 			}
 			snd_iprintf(buffer, "\n");
 		}
-		if (snd_usb_get_speed(subs->dev) != USB_SPEED_FULL)
+		if (subs->speed != USB_SPEED_FULL)
 			snd_iprintf(buffer, "    Data packet interval: %d us\n",
 				    125 * (1 << fp->datainterval));
 		// snd_iprintf(buffer, "    Max Packet Size = %d\n", fp->maxpacksize);
@@ -124,7 +124,7 @@ static void proc_dump_ep_status(struct snd_usb_substream *subs,
 		return;
 	snd_iprintf(buffer, "    Packet Size = %d\n", ep->curpacksize);
 	snd_iprintf(buffer, "    Momentary freq = %u Hz (%#x.%04x)\n",
-		    snd_usb_get_speed(subs->dev) == USB_SPEED_FULL
+		    subs->speed == USB_SPEED_FULL
 		    ? get_full_speed_hz(ep->freqm)
 		    : get_high_speed_hz(ep->freqm),
 		    ep->freqm >> 16, ep->freqm & 0xffff);
diff --git a/sound/usb/stream.c b/sound/usb/stream.c
index 083ed81..1de0c8c 100644
--- a/sound/usb/stream.c
+++ b/sound/usb/stream.c
@@ -90,6 +90,7 @@ static void snd_usb_init_substream(struct snd_usb_stream *as,
 	subs->direction = stream;
 	subs->dev = as->chip->dev;
 	subs->txfr_quirk = as->chip->txfr_quirk;
+	subs->speed = snd_usb_get_speed(subs->dev);
 
 	snd_usb_set_pcm_ops(as->pcm, stream);
 
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
index b8233eb..ef42797 100644
--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -37,7 +37,7 @@ struct snd_usb_audio {
 	struct usb_interface *pm_intf;
 	u32 usb_id;
 	struct mutex mutex;
-	struct mutex shutdown_mutex;
+	struct rw_semaphore shutdown_rwsem;
 	unsigned int shutdown:1;
 	unsigned int probing:1;
 	unsigned int autosuspended:1;