diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c
index 3930e2f9082f..fe2d7f901610 100644
--- a/sound/core/seq/seq_clientmgr.c
+++ b/sound/core/seq/seq_clientmgr.c
@@ -1290,6 +1290,10 @@ static int snd_seq_ioctl_set_client_info(struct snd_seq_client *client,
 		client->midi_version = client_info->midi_version;
 	memcpy(client->event_filter, client_info->event_filter, 32);
 	client->group_filter = client_info->group_filter;
+
+	/* notify the change */
+	snd_seq_system_client_ev_client_change(client->number);
+
 	return 0;
 }
 
@@ -1413,6 +1417,9 @@ static int snd_seq_ioctl_set_port_info(struct snd_seq_client *client, void *arg)
 	if (port) {
 		snd_seq_set_port_info(port, info);
 		snd_seq_port_unlock(port);
+		/* notify the change */
+		snd_seq_system_client_ev_port_change(info->addr.client,
+						     info->addr.port);
 	}
 	return 0;
 }
diff --git a/sound/core/seq/seq_system.c b/sound/core/seq/seq_system.c
index 80267290190d..37edcc3881ed 100644
--- a/sound/core/seq/seq_system.c
+++ b/sound/core/seq/seq_system.c
@@ -49,12 +49,14 @@ static int sysclient = -1;
 /* port id numbers for this client */
 static int announce_port = -1;
 
+/* number of subscriptions to announce port */
+static int announce_subscribed;
 
 
 /* fill standard header data, source port & channel are filled in */
 static int setheader(struct snd_seq_event * ev, int client, int port)
 {
-	if (announce_port < 0)
+	if (announce_port < 0 || !announce_subscribed)
 		return -ENODEV;
 
 	memset(ev, 0, sizeof(struct snd_seq_event));
@@ -104,6 +106,22 @@ static int event_input_timer(struct snd_seq_event * ev, int direct, void *privat
 	return snd_seq_control_queue(ev, atomic, hop);
 }
 
+static int sys_announce_subscribe(void *private_data,
+				  struct snd_seq_port_subscribe *info)
+{
+	announce_subscribed++;
+	return 0;
+}
+
+static int sys_announce_unsubscribe(void *private_data,
+				    struct snd_seq_port_subscribe *info)
+{
+	if (snd_BUG_ON(!announce_subscribed))
+		return 0;
+	announce_subscribed--;
+	return 0;
+}
+
 /* register our internal client */
 int __init snd_seq_system_client_init(void)
 {
@@ -143,7 +161,10 @@ int __init snd_seq_system_client_init(void)
 	/* register announcement port */
 	strcpy(port->name, "Announce");
 	port->capability = SNDRV_SEQ_PORT_CAP_READ|SNDRV_SEQ_PORT_CAP_SUBS_READ; /* for broadcast only */
-	port->kernel = NULL;
+	pcallbacks.event_input = NULL;
+	pcallbacks.subscribe = sys_announce_subscribe;
+	pcallbacks.unsubscribe = sys_announce_unsubscribe;
+	port->kernel = &pcallbacks;
 	port->type = 0;
 	port->flags = SNDRV_SEQ_PORT_FLG_GIVEN_PORT;
 	port->addr.client = sysclient;
diff --git a/sound/core/seq/seq_ump_client.c b/sound/core/seq/seq_ump_client.c
index e956f17f3792..27c4dd9940ff 100644
--- a/sound/core/seq/seq_ump_client.c
+++ b/sound/core/seq/seq_ump_client.c
@@ -272,8 +272,6 @@ static void update_port_infos(struct seq_ump_client *client)
 						new);
 		if (err < 0)
 			continue;
-		/* notify to system port */
-		snd_seq_system_client_ev_port_change(client->seq_client, i);
 	}
 }
 
diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c
index 25f93e56cfc7..6e710dce5c60 100644
--- a/sound/pci/ac97/ac97_codec.c
+++ b/sound/pci/ac97/ac97_codec.c
@@ -1864,7 +1864,7 @@ void snd_ac97_get_name(struct snd_ac97 *ac97, unsigned int id, char *name, int m
 		strcat(name, " ");
 		strcat(name, pid->name);
 		if (pid->mask != 0xffffffff)
-			sprintf(name + strlen(name), " rev %d", id & ~pid->mask);
+			sprintf(name + strlen(name), " rev %u", id & ~pid->mask);
 		if (ac97 && pid->patch) {
 			if ((modem && (pid->flags & AC97_MODEM_PATCH)) ||
 			    (! modem && ! (pid->flags & AC97_MODEM_PATCH)))
diff --git a/sound/pci/hda/hda_hwdep.c b/sound/pci/hda/hda_hwdep.c
index 727f39acedfc..9325e5c3cbe6 100644
--- a/sound/pci/hda/hda_hwdep.c
+++ b/sound/pci/hda/hda_hwdep.c
@@ -84,10 +84,8 @@ static int hda_hwdep_ioctl_compat(struct snd_hwdep *hw, struct file *file,
 
 static int hda_hwdep_open(struct snd_hwdep *hw, struct file *file)
 {
-#ifndef CONFIG_SND_DEBUG_VERBOSE
 	if (!capable(CAP_SYS_RAWIO))
 		return -EACCES;
-#endif
 	return 0;
 }
 
diff --git a/sound/pci/hda/hda_sysfs.c b/sound/pci/hda/hda_sysfs.c
index 265fd4737893..140e24bf4d7f 100644
--- a/sound/pci/hda/hda_sysfs.c
+++ b/sound/pci/hda/hda_sysfs.c
@@ -648,7 +648,7 @@ static const struct hda_patch_item patch_items[NUM_LINE_MODES] = {
 	},
 };
 
-/* check the line starting with '[' -- change the parser mode accodingly */
+/* check the line starting with '[' -- change the parser mode accordingly */
 static int parse_line_mode(char *buf, struct hda_bus *bus)
 {
 	int i;
diff --git a/sound/pci/lola/lola_clock.c b/sound/pci/lola/lola_clock.c
index cafd30e30913..2e73fbf335ed 100644
--- a/sound/pci/lola/lola_clock.c
+++ b/sound/pci/lola/lola_clock.c
@@ -35,7 +35,7 @@ unsigned int lola_sample_rate_convert(unsigned int coded)
 	default:        return 0;   /* error */
 	}
 
-	/* ajustement */
+	/* adjustement */
 	switch (coded & 0x60) {
 	case (0 << 5):    break;
 	case (1 << 5):    freq = (freq * 999) / 1000; break;