Merge remote-tracking branch 'asoc/topic/log' into asoc-next

5 files changed, 309 insertions, 284 deletions

diff --git a/sound/soc/soc-cache.c b/sound/soc/soc-cache.c
index 9d56f0218f4..e72f55428f0 100644
--- a/sound/soc/soc-cache.c
+++ b/sound/soc/soc-cache.c
@@ -88,7 +88,7 @@ static int snd_soc_flat_cache_sync(struct snd_soc_codec *codec)
 		ret = snd_soc_write(codec, i, val);
 		if (ret)
 			return ret;
-		dev_dbg(codec->dev, "Synced register %#x, value = %#x\n",
+		dev_dbg(codec->dev, "ASoC: Synced register %#x, value = %#x\n",
 			i, val);
 	}
 	return 0;
@@ -156,7 +156,7 @@ int snd_soc_cache_init(struct snd_soc_codec *codec)
 
 	/* Fall back to flat compression */
 	if (i == ARRAY_SIZE(cache_types)) {
-		dev_warn(codec->dev, "Could not match compress type: %d\n",
+		dev_warn(codec->dev, "ASoC: Could not match compress type: %d\n",
 			 codec->compress_type);
 		i = 0;
 	}
@@ -166,7 +166,7 @@ int snd_soc_cache_init(struct snd_soc_codec *codec)
 
 	if (codec->cache_ops->init) {
 		if (codec->cache_ops->name)
-			dev_dbg(codec->dev, "Initializing %s cache for %s codec\n",
+			dev_dbg(codec->dev, "ASoC: Initializing %s cache for %s codec\n",
 				codec->cache_ops->name, codec->name);
 		return codec->cache_ops->init(codec);
 	}
@@ -181,7 +181,7 @@ int snd_soc_cache_exit(struct snd_soc_codec *codec)
 {
 	if (codec->cache_ops && codec->cache_ops->exit) {
 		if (codec->cache_ops->name)
-			dev_dbg(codec->dev, "Destroying %s cache for %s codec\n",
+			dev_dbg(codec->dev, "ASoC: Destroying %s cache for %s codec\n",
 				codec->cache_ops->name, codec->name);
 		return codec->cache_ops->exit(codec);
 	}
@@ -265,7 +265,7 @@ int snd_soc_cache_sync(struct snd_soc_codec *codec)
 		name = "unknown";
 
 	if (codec->cache_ops->name)
-		dev_dbg(codec->dev, "Syncing %s cache for %s codec\n",
+		dev_dbg(codec->dev, "ASoC: Syncing %s cache for %s codec\n",
 			codec->cache_ops->name, codec->name);
 	trace_snd_soc_cache_sync(codec, name, "start");
 	ret = codec->cache_ops->sync(codec);
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 2153e19d820..9c768bcb98a 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -271,7 +271,8 @@ static void soc_init_codec_debugfs(struct snd_soc_codec *codec)
 	codec->debugfs_codec_root = debugfs_create_dir(codec->name,
 						       debugfs_card_root);
 	if (!codec->debugfs_codec_root) {
-		dev_warn(codec->dev, "Failed to create codec debugfs directory\n");
+		dev_warn(codec->dev, "ASoC: Failed to create codec debugfs"
+			" directory\n");
 		return;
 	}
 
@@ -284,7 +285,8 @@ static void soc_init_codec_debugfs(struct snd_soc_codec *codec)
 						 codec->debugfs_codec_root,
 						 codec, &codec_reg_fops);
 	if (!codec->debugfs_reg)
-		dev_warn(codec->dev, "Failed to create codec register debugfs file\n");
+		dev_warn(codec->dev, "ASoC: Failed to create codec register"
+			" debugfs file\n");
 
 	snd_soc_dapm_debugfs_init(&codec->dapm, codec->debugfs_codec_root);
 }
@@ -302,7 +304,7 @@ static void soc_init_platform_debugfs(struct snd_soc_platform *platform)
 						       debugfs_card_root);
 	if (!platform->debugfs_platform_root) {
 		dev_warn(platform->dev,
-			"Failed to create platform debugfs directory\n");
+			"ASoC: Failed to create platform debugfs directory\n");
 		return;
 	}
 
@@ -430,7 +432,7 @@ static void soc_init_card_debugfs(struct snd_soc_card *card)
 						    &card->pop_time);
 	if (!card->debugfs_pop_time)
 		dev_warn(card->dev,
-		       "Failed to create pop time debugfs file\n");
+		       "ASoC: Failed to create pop time debugfs file\n");
 }
 
 static void soc_cleanup_card_debugfs(struct snd_soc_card *card)
@@ -475,7 +477,7 @@ struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
 			!strcmp(card->rtd[i].dai_link->name, dai_link))
 			return card->rtd[i].pcm->streams[stream].substream;
 	}
-	dev_dbg(card->dev, "failed to find dai link %s\n", dai_link);
+	dev_dbg(card->dev, "ASoC: failed to find dai link %s\n", dai_link);
 	return NULL;
 }
 EXPORT_SYMBOL_GPL(snd_soc_get_dai_substream);
@@ -489,7 +491,7 @@ struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
 		if (!strcmp(card->rtd[i].dai_link->name, dai_link))
 			return &card->rtd[i];
 	}
-	dev_dbg(card->dev, "failed to find rtd %s\n", dai_link);
+	dev_dbg(card->dev, "ASoC: failed to find rtd %s\n", dai_link);
 	return NULL;
 }
 EXPORT_SYMBOL_GPL(snd_soc_get_pcm_runtime);
@@ -519,7 +521,7 @@ static int soc_ac97_dev_register(struct snd_soc_codec *codec)
 		     codec->card->snd_card->number, 0, codec->name);
 	err = device_register(&codec->ac97->dev);
 	if (err < 0) {
-		snd_printk(KERN_ERR "Can't register ac97 bus\n");
+		dev_err(codec->dev, "ASoC: Can't register ac97 bus\n");
 		codec->ac97->dev.bus = NULL;
 		return err;
 	}
@@ -628,7 +630,8 @@ int snd_soc_suspend(struct device *dev)
 				 */
 				if (codec->dapm.idle_bias_off) {
 					dev_dbg(codec->dev,
-						"idle_bias_off CODEC on over suspend\n");
+						"ASoC: idle_bias_off CODEC on"
+						" over suspend\n");
 					break;
 				}
 			case SND_SOC_BIAS_OFF:
@@ -639,7 +642,8 @@ int snd_soc_suspend(struct device *dev)
 					regcache_mark_dirty(codec->control_data);
 				break;
 			default:
-				dev_dbg(codec->dev, "CODEC is on over suspend\n");
+				dev_dbg(codec->dev, "ASoC: CODEC is on"
+					" over suspend\n");
 				break;
 			}
 		}
@@ -676,7 +680,7 @@ static void soc_resume_deferred(struct work_struct *work)
 	 * so userspace apps are blocked from touching us
 	 */
 
-	dev_dbg(card->dev, "starting resume work\n");
+	dev_dbg(card->dev, "ASoC: starting resume work\n");
 
 	/* Bring us up into D2 so that DAPM starts enabling things */
 	snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D2);
@@ -708,7 +712,8 @@ static void soc_resume_deferred(struct work_struct *work)
 				codec->suspended = 0;
 				break;
 			default:
-				dev_dbg(codec->dev, "CODEC was on over suspend\n");
+				dev_dbg(codec->dev, "ASoC: CODEC was on over"
+					" suspend\n");
 				break;
 			}
 		}
@@ -758,7 +763,7 @@ static void soc_resume_deferred(struct work_struct *work)
 	if (card->resume_post)
 		card->resume_post(card);
 
-	dev_dbg(card->dev, "resume work completed\n");
+	dev_dbg(card->dev, "ASoC: resume work completed\n");
 
 	/* userspace can access us now we are back as we were before */
 	snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0);
@@ -790,12 +795,12 @@ int snd_soc_resume(struct device *dev)
 		ac97_control |= cpu_dai->driver->ac97_control;
 	}
 	if (ac97_control) {
-		dev_dbg(dev, "Resuming AC97 immediately\n");
+		dev_dbg(dev, "ASoC: Resuming AC97 immediately\n");
 		soc_resume_deferred(&card->deferred_resume_work);
 	} else {
-		dev_dbg(dev, "Scheduling resume work\n");
+		dev_dbg(dev, "ASoC: Scheduling resume work\n");
 		if (!schedule_work(&card->deferred_resume_work))
-			dev_err(dev, "resume work item may be lost\n");
+			dev_err(dev, "ASoC: resume work item may be lost\n");
 	}
 
 	return 0;
@@ -818,7 +823,7 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num)
 	struct snd_soc_dai *codec_dai, *cpu_dai;
 	const char *platform_name;
 
-	dev_dbg(card->dev, "binding %s at idx %d\n", dai_link->name, num);
+	dev_dbg(card->dev, "ASoC: binding %s at idx %d\n", dai_link->name, num);
 
 	/* Find CPU DAI from registered DAIs*/
 	list_for_each_entry(cpu_dai, &dai_list, list) {
@@ -836,7 +841,7 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num)
 	}
 
 	if (!rtd->cpu_dai) {
-		dev_err(card->dev, "CPU DAI %s not registered\n",
+		dev_err(card->dev, "ASoC: CPU DAI %s not registered\n",
 			dai_link->cpu_dai_name);
 		return -EPROBE_DEFER;
 	}
@@ -867,14 +872,14 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num)
 		}
 
 		if (!rtd->codec_dai) {
-			dev_err(card->dev, "CODEC DAI %s not registered\n",
+			dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n",
 				dai_link->codec_dai_name);
 			return -EPROBE_DEFER;
 		}
 	}
 
 	if (!rtd->codec) {
-		dev_err(card->dev, "CODEC %s not registered\n",
+		dev_err(card->dev, "ASoC: CODEC %s not registered\n",
 			dai_link->codec_name);
 		return -EPROBE_DEFER;
 	}
@@ -898,7 +903,7 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num)
 		rtd->platform = platform;
 	}
 	if (!rtd->platform) {
-		dev_err(card->dev, "platform %s not registered\n",
+		dev_err(card->dev, "ASoC: platform %s not registered\n",
 			dai_link->platform_name);
 		return -EPROBE_DEFER;
 	}
@@ -915,8 +920,8 @@ static int soc_remove_platform(struct snd_soc_platform *platform)
 	if (platform->driver->remove) {
 		ret = platform->driver->remove(platform);
 		if (ret < 0)
-			pr_err("asoc: failed to remove %s: %d\n",
-				platform->name, ret);
+			dev_err(platform->dev, "ASoC: failed to remove %d\n",
+				ret);
 	}
 
 	/* Make sure all DAPM widgets are freed */
@@ -937,9 +942,7 @@ static void soc_remove_codec(struct snd_soc_codec *codec)
 	if (codec->driver->remove) {
 		err = codec->driver->remove(codec);
 		if (err < 0)
-			dev_err(codec->dev,
-				"asoc: failed to remove %s: %d\n",
-				codec->name, err);
+			dev_err(codec->dev, "ASoC: failed to remove %d\n", err);
 	}
 
 	/* Make sure all DAPM widgets are freed */
@@ -971,8 +974,9 @@ static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order)
 		if (codec_dai->driver->remove) {
 			err = codec_dai->driver->remove(codec_dai);
 			if (err < 0)
-				pr_err("asoc: failed to remove %s: %d\n",
-							codec_dai->name, err);
+				dev_err(codec_dai->dev,
+					"ASoC: failed to remove %s: %d\n",
+					codec_dai->name, err);
 		}
 		codec_dai->probed = 0;
 		list_del(&codec_dai->card_list);
@@ -984,8 +988,9 @@ static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order)
 		if (cpu_dai->driver->remove) {
 			err = cpu_dai->driver->remove(cpu_dai);
 			if (err < 0)
-				pr_err("asoc: failed to remove %s: %d\n",
-							cpu_dai->name, err);
+				dev_err(cpu_dai->dev,
+					"ASoC: failed to remove %s: %d\n",
+					cpu_dai->name, err);
 		}
 		cpu_dai->probed = 0;
 		list_del(&cpu_dai->card_list);
@@ -1099,8 +1104,7 @@ static int soc_probe_codec(struct snd_soc_card *card,
 		ret = driver->probe(codec);
 		if (ret < 0) {
 			dev_err(codec->dev,
-				"asoc: failed to probe CODEC %s: %d\n",
-				codec->name, ret);
+				"ASoC: failed to probe CODEC %d\n", ret);
 			goto err_probe;
 		}
 	}
@@ -1163,8 +1167,7 @@ static int soc_probe_platform(struct snd_soc_card *card,
 		ret = driver->probe(platform);
 		if (ret < 0) {
 			dev_err(platform->dev,
-				"asoc: failed to probe platform %s: %d\n",
-				platform->name, ret);
+				"ASoC: failed to probe platform %d\n", ret);
 			goto err_probe;
 		}
 	}
@@ -1229,7 +1232,7 @@ static int soc_post_component_init(struct snd_soc_card *card,
 	else if (dailess && aux_dev->init)
 		ret = aux_dev->init(&codec->dapm);
 	if (ret < 0) {
-		dev_err(card->dev, "asoc: failed to init %s: %d\n", name, ret);
+		dev_err(card->dev, "ASoC: failed to init %s: %d\n", name, ret);
 		return ret;
 	}
 	codec->name_prefix = temp;
@@ -1253,7 +1256,7 @@ static int soc_post_component_init(struct snd_soc_card *card,
 	ret = device_add(rtd->dev);
 	if (ret < 0) {
 		dev_err(card->dev,
-			"asoc: failed to register runtime device: %d\n", ret);
+			"ASoC: failed to register runtime device: %d\n", ret);
 		return ret;
 	}
 	rtd->dev_registered = 1;
@@ -1262,14 +1265,13 @@ static int soc_post_component_init(struct snd_soc_card *card,
 	ret = snd_soc_dapm_sys_add(rtd->dev);
 	if (ret < 0)
 		dev_err(codec->dev,
-			"asoc: failed to add codec dapm sysfs entries: %d\n",
-			ret);
+			"ASoC: failed to add codec dapm sysfs entries: %d\n", ret);
 
 	/* add codec sysfs entries */
 	ret = device_create_file(rtd->dev, &dev_attr_codec_reg);
 	if (ret < 0)
 		dev_err(codec->dev,
-			"asoc: failed to add codec sysfs files: %d\n", ret);
+			"ASoC: failed to add codec sysfs files: %d\n", ret);
 
 #ifdef CONFIG_DEBUG_FS
 	/* add DPCM sysfs entries */
@@ -1278,7 +1280,7 @@ static int soc_post_component_init(struct snd_soc_card *card,
 
 	ret = soc_dpcm_debugfs_add(rtd);
 	if (ret < 0)
-		dev_err(rtd->dev, "asoc: failed to add dpcm sysfs entries: %d\n", ret);
+		dev_err(rtd->dev, "ASoC: failed to add dpcm sysfs entries: %d\n", ret);
 
 out:
 #endif
@@ -1333,7 +1335,7 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
 	struct snd_soc_dapm_widget *play_w, *capture_w;
 	int ret;
 
-	dev_dbg(card->dev, "probe %s dai link %d late %d\n",
+	dev_dbg(card->dev, "ASoC: probe %s dai link %d late %d\n",
 			card->name, num, order);
 
 	/* config components */
@@ -1359,8 +1361,9 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
 		if (cpu_dai->driver->probe) {
 			ret = cpu_dai->driver->probe(cpu_dai);
 			if (ret < 0) {
-				pr_err("asoc: failed to probe CPU DAI %s: %d\n",
-							cpu_dai->name, ret);
+				dev_err(cpu_dai->dev,
+					"ASoC: failed to probe CPU DAI %s: %d\n",
+					cpu_dai->name, ret);
 				module_put(cpu_dai->dev->driver->owner);
 				return ret;
 			}
@@ -1375,8 +1378,9 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
 		if (codec_dai->driver->probe) {
 			ret = codec_dai->driver->probe(codec_dai);
 			if (ret < 0) {
-				pr_err("asoc: failed to probe CODEC DAI %s: %d\n",
-							codec_dai->name, ret);
+				dev_err(codec_dai->dev,
+					"ASoC: failed to probe CODEC DAI %s: %d\n",
+					codec_dai->name, ret);
 				return ret;
 			}
 		}
@@ -1396,13 +1400,14 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
 
 	ret = device_create_file(rtd->dev, &dev_attr_pmdown_time);
 	if (ret < 0)
-		pr_warn("asoc: failed to add pmdown_time sysfs:%d\n", ret);
+		dev_warn(rtd->dev, "ASoC: failed to add pmdown_time sysfs: %d\n",
+			ret);
 
 	if (cpu_dai->driver->compress_dai) {
 		/*create compress_device"*/
 		ret = soc_new_compress(rtd, num);
 		if (ret < 0) {
-			pr_err("asoc: can't create compress %s\n",
+			dev_err(card->dev, "ASoC: can't create compress %s\n",
 					 dai_link->stream_name);
 			return ret;
 		}
@@ -1412,7 +1417,7 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
 			/* create the pcm */
 			ret = soc_new_pcm(rtd, num);
 			if (ret < 0) {
-				pr_err("asoc: can't create pcm %s :%d\n",
+				dev_err(card->dev, "ASoC: can't create pcm %s :%d\n",
 				       dai_link->stream_name, ret);
 				return ret;
 			}
@@ -1424,7 +1429,7 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
 				ret = snd_soc_dapm_new_pcm(card, dai_link->params,
 						   capture_w, play_w);
 				if (ret != 0) {
-					dev_err(card->dev, "Can't link %s to %s: %d\n",
+					dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n",
 						play_w->name, capture_w->name, ret);
 					return ret;
 				}
@@ -1436,7 +1441,7 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
 				ret = snd_soc_dapm_new_pcm(card, dai_link->params,
 						   capture_w, play_w);
 				if (ret != 0) {
-					dev_err(card->dev, "Can't link %s to %s: %d\n",
+					dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n",
 						play_w->name, capture_w->name, ret);
 					return ret;
 				}
@@ -1473,7 +1478,8 @@ static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd)
 
 		ret = soc_ac97_dev_register(rtd->codec);
 		if (ret < 0) {
-			pr_err("asoc: AC97 device register failed:%d\n", ret);
+			dev_err(rtd->codec->dev,
+				"ASoC: AC97 device register failed: %d\n", ret);
 			return ret;
 		}
 
@@ -1502,7 +1508,7 @@ static int soc_check_aux_dev(struct snd_soc_card *card, int num)
 			return 0;
 	}
 
-	dev_err(card->dev, "%s not registered\n", aux_dev->codec_name);
+	dev_err(card->dev, "ASoC: %s not registered\n", aux_dev->codec_name);
 
 	return -EPROBE_DEFER;
 }
@@ -1518,7 +1524,7 @@ static int soc_probe_aux_dev(struct snd_soc_card *card, int num)
 		if (!strcmp(codec->name, aux_dev->codec_name)) {
 			if (codec->probed) {
 				dev_err(codec->dev,
-					"asoc: codec already probed");
+					"ASoC: codec already probed");
 				ret = -EBUSY;
 				goto out;
 			}
@@ -1526,7 +1532,7 @@ static int soc_probe_aux_dev(struct snd_soc_card *card, int num)
 		}
 	}
 	/* codec not found */
-	dev_err(card->dev, "asoc: codec %s not found", aux_dev->codec_name);
+	dev_err(card->dev, "ASoC: codec %s not found", aux_dev->codec_name);
 	return -EPROBE_DEFER;
 
 found:
@@ -1569,8 +1575,8 @@ static int snd_soc_init_codec_cache(struct snd_soc_codec *codec,
 		codec->compress_type = compress_type;
 	ret = snd_soc_cache_init(codec);
 	if (ret < 0) {
-		dev_err(codec->dev, "Failed to set cache compression type: %d\n",
-			ret);
+		dev_err(codec->dev, "ASoC: Failed to set cache compression"
+			" type: %d\n", ret);
 		return ret;
 	}
 	codec->cache_init = 1;
@@ -1626,8 +1632,8 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
 	ret = snd_card_create(SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1,
 			card->owner, 0, &card->snd_card);
 	if (ret < 0) {
-		pr_err("asoc: can't create sound card for card %s: %d\n",
-			card->name, ret);
+		dev_err(card->dev, "ASoC: can't create sound card for"
+			" card %s: %d\n", card->name, ret);
 		goto base_error;
 	}
 	card->snd_card->dev = card->dev;
@@ -1663,8 +1669,9 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
 		for (i = 0; i < card->num_links; i++) {
 			ret = soc_probe_link_components(card, i, order);
 			if (ret < 0) {
-				pr_err("asoc: failed to instantiate card %s: %d\n",
-				       card->name, ret);
+				dev_err(card->dev,
+					"ASoC: failed to instantiate card %d\n",
+					ret);
 				goto probe_dai_err;
 			}
 		}
@@ -1676,8 +1683,9 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
 		for (i = 0; i < card->num_links; i++) {
 			ret = soc_probe_link_dais(card, i, order);
 			if (ret < 0) {
-				pr_err("asoc: failed to instantiate card %s: %d\n",
-				       card->name, ret);
+				dev_err(card->dev,
+					"ASoC: failed to instantiate card %d\n",
+					ret);
 				goto probe_dai_err;
 			}
 		}
@@ -1686,8 +1694,9 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
 	for (i = 0; i < card->num_aux_devs; i++) {
 		ret = soc_probe_aux_dev(card, i);
 		if (ret < 0) {
-			pr_err("asoc: failed to add auxiliary devices %s: %d\n",
-			       card->name, ret);
+			dev_err(card->dev,
+				"ASoC: failed to add auxiliary devices %d\n",
+				ret);
 			goto probe_aux_dev_err;
 		}
 	}
@@ -1712,7 +1721,7 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
 						  dai_fmt);
 			if (ret != 0 && ret != -ENOTSUPP)
 				dev_warn(card->rtd[i].codec_dai->dev,
-					 "Failed to set DAI format: %d\n",
+					 "ASoC: Failed to set DAI format: %d\n",
 					 ret);
 		}
 
@@ -1723,7 +1732,7 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
 						  dai_fmt);
 			if (ret != 0 && ret != -ENOTSUPP)
 				dev_warn(card->rtd[i].cpu_dai->dev,
-					 "Failed to set DAI format: %d\n",
+					 "ASoC: Failed to set DAI format: %d\n",
 					 ret);
 		} else if (dai_fmt) {
 			/* Flip the polarity for the "CPU" end */
@@ -1748,7 +1757,7 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
 						  dai_fmt);
 			if (ret != 0 && ret != -ENOTSUPP)
 				dev_warn(card->rtd[i].cpu_dai->dev,
-					 "Failed to set DAI format: %d\n",
+					 "ASoC: Failed to set DAI format: %d\n",
 					 ret);
 		}
 	}
@@ -1775,7 +1784,7 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
 	if (card->late_probe) {
 		ret = card->late_probe(card);
 		if (ret < 0) {
-			dev_err(card->dev, "%s late_probe() failed: %d\n",
+			dev_err(card->dev, "ASoC: %s late_probe() failed: %d\n",
 				card->name, ret);
 			goto probe_aux_dev_err;
 		}
@@ -1789,8 +1798,8 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
 
 	ret = snd_card_register(card->snd_card);
 	if (ret < 0) {
-		pr_err("asoc: failed to register soundcard for %s: %d\n",
-							card->name, ret);
+		dev_err(card->dev, "ASoC: failed to register soundcard %d\n",
+				ret);
 		goto probe_aux_dev_err;
 	}
 
@@ -1799,8 +1808,8 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
 	for (i = 0; i < card->num_rtd; i++) {
 		ret = soc_register_ac97_dai_link(&card->rtd[i]);
 		if (ret < 0) {
-			pr_err("asoc: failed to register AC97 %s: %d\n",
-							card->name, ret);
+			dev_err(card->dev, "ASoC: failed to register AC97:"
+				" %d\n", ret);
 			while (--i >= 0)
 				soc_unregister_ac97_dai_link(card->rtd[i].codec);
 			goto probe_aux_dev_err;
@@ -1846,7 +1855,7 @@ static int soc_probe(struct platform_device *pdev)
 		return -EINVAL;
 
 	dev_warn(&pdev->dev,
-		 "ASoC machine %s should use snd_soc_register_card()\n",
+		 "ASoC: machine %s should use snd_soc_register_card()\n",
 		 card->name);
 
 	/* Bodge while we unpick instantiation */
@@ -1996,7 +2005,7 @@ int snd_soc_platform_read(struct snd_soc_platform *platform,
 	unsigned int ret;
 
 	if (!platform->driver->read) {
-		dev_err(platform->dev, "platform has no read back\n");
+		dev_err(platform->dev, "ASoC: platform has no read back\n");
 		return -1;
 	}
 
@@ -2012,7 +2021,7 @@ int snd_soc_platform_write(struct snd_soc_platform *platform,
 					 unsigned int reg, unsigned int val)
 {
 	if (!platform->driver->write) {
-		dev_err(platform->dev, "platform has no write back\n");
+		dev_err(platform->dev, "ASoC: platform has no write back\n");
 		return -1;
 	}
 
@@ -2283,7 +2292,8 @@ static int snd_soc_add_controls(struct snd_card *card, struct device *dev,
 		err = snd_ctl_add(card, snd_soc_cnew(control, data,
 						     control->name, prefix));
 		if (err < 0) {
-			dev_err(dev, "Failed to add %s: %d\n", control->name, err);
+			dev_err(dev, "ASoC: Failed to add %s: %d\n",
+				control->name, err);
 			return err;
 		}
 	}
@@ -3534,15 +3544,14 @@ int snd_soc_register_card(struct snd_soc_card *card)
 		 * not both or neither.
 		 */
 		if (!!link->codec_name == !!link->codec_of_node) {
-			dev_err(card->dev,
-				"Neither/both codec name/of_node are set for %s\n",
-				link->name);
+			dev_err(card->dev, "ASoC: Neither/both codec"
+				" name/of_node are set for %s\n", link->name);
 			return -EINVAL;
 		}
 		/* Codec DAI name must be specified */
 		if (!link->codec_dai_name) {
-			dev_err(card->dev, "codec_dai_name not set for %s\n",
-				link->name);
+			dev_err(card->dev, "ASoC: codec_dai_name not"
+				" set for %s\n", link->name);
 			return -EINVAL;
 		}
 
@@ -3551,8 +3560,8 @@ int snd_soc_register_card(struct snd_soc_card *card)
 		 * can be left unspecified, and a dummy platform will be used.
 		 */
 		if (link->platform_name && link->platform_of_node) {
-			dev_err(card->dev,
-				"Both platform name/of_node are set for %s\n", link->name);
+			dev_err(card->dev, "ASoC: Both platform name/of_node"
+				" are set for %s\n", link->name);
 			return -EINVAL;
 		}
 
@@ -3562,9 +3571,8 @@ int snd_soc_register_card(struct snd_soc_card *card)
 		 * name alone..
 		 */
 		if (link->cpu_name && link->cpu_of_node) {
-			dev_err(card->dev,
-				"Neither/both cpu name/of_node are set for %s\n",
-				link->name);
+			dev_err(card->dev, "ASoC: Neither/both "
+				"cpu name/of_node are set for %s\n",link->name);
 			return -EINVAL;
 		}
 		/*
@@ -3573,9 +3581,8 @@ int snd_soc_register_card(struct snd_soc_card *card)
 		 */
 		if (!link->cpu_dai_name &&
 		    !(link->cpu_name || link->cpu_of_node)) {
-			dev_err(card->dev,
-				"Neither cpu_dai_name nor cpu_name/of_node are set for %s\n",
-				link->name);
+			dev_err(card->dev, "ASoC: Neither cpu_dai_name nor "
+				"cpu_name/of_node are set for %s\n", link->name);
 			return -EINVAL;
 		}
 	}
@@ -3622,7 +3629,7 @@ int snd_soc_unregister_card(struct snd_soc_card *card)
 {
 	if (card->instantiated)
 		soc_cleanup_card_resources(card);
-	dev_dbg(card->dev, "Unregistered card '%s'\n", card->name);
+	dev_dbg(card->dev, "ASoC: Unregistered card '%s'\n", card->name);
 
 	return 0;
 }
@@ -3679,8 +3686,8 @@ static inline char *fmt_multiple_name(struct device *dev,
 		struct snd_soc_dai_driver *dai_drv)
 {
 	if (dai_drv->name == NULL) {
-		pr_err("asoc: error - multiple DAI %s registered with no name\n",
-				dev_name(dev));
+		dev_err(dev, "ASoC: error - multiple DAI %s registered with"
+				" no name\n", dev_name(dev));
 		return NULL;
 	}
 
@@ -3698,7 +3705,7 @@ int snd_soc_register_dai(struct device *dev,
 	struct snd_soc_codec *codec;
 	struct snd_soc_dai *dai;
 
-	dev_dbg(dev, "dai register %s\n", dev_name(dev));
+	dev_dbg(dev, "ASoC: dai register %s\n", dev_name(dev));
 
 	dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL);
 	if (dai == NULL)
@@ -3721,7 +3728,7 @@ int snd_soc_register_dai(struct device *dev,
 
 	list_for_each_entry(codec, &codec_list, list) {
 		if (codec->dev == dev) {
-			dev_dbg(dev, "Mapped DAI %s to CODEC %s\n",
+			dev_dbg(dev, "ASoC: Mapped DAI %s to CODEC %s\n",
 				dai->name, codec->name);
 			dai->codec = codec;
 			break;
@@ -3735,7 +3742,7 @@ int snd_soc_register_dai(struct device *dev,
 
 	mutex_unlock(&client_mutex);
 
-	pr_debug("Registered DAI '%s'\n", dai->name);
+	dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name);
 
 	return 0;
 }
@@ -3761,7 +3768,7 @@ found:
 	list_del(&dai->list);
 	mutex_unlock(&client_mutex);
 
-	pr_debug("Unregistered DAI '%s'\n", dai->name);
+	dev_dbg(dev, "ASoC: Unregistered DAI '%s'\n", dai->name);
 	kfree(dai->name);
 	kfree(dai);
 }
@@ -3780,7 +3787,7 @@ int snd_soc_register_dais(struct device *dev,
 	struct snd_soc_dai *dai;
 	int i, ret = 0;
 
-	dev_dbg(dev, "dai register %s #%Zu\n", dev_name(dev), count);
+	dev_dbg(dev, "ASoC: dai register %s #%Zu\n", dev_name(dev), count);
 
 	for (i = 0; i < count; i++) {
 
@@ -3812,8 +3819,8 @@ int snd_soc_register_dais(struct device *dev,
 
 		list_for_each_entry(codec, &codec_list, list) {
 			if (codec->dev == dev) {
-				dev_dbg(dev, "Mapped DAI %s to CODEC %s\n",
-					dai->name, codec->name);
+				dev_dbg(dev, "ASoC: Mapped DAI %s to "
+					"CODEC %s\n", dai->name, codec->name);
 				dai->codec = codec;
 				break;
 			}
@@ -3826,7 +3833,7 @@ int snd_soc_register_dais(struct device *dev,
 
 		mutex_unlock(&client_mutex);
 
-		pr_debug("Registered DAI '%s'\n", dai->name);
+		dev_dbg(dai->dev, "ASoC: Registered DAI '%s'\n", dai->name);
 	}
 
 	return 0;
@@ -3864,7 +3871,7 @@ int snd_soc_register_platform(struct device *dev,
 {
 	struct snd_soc_platform *platform;
 
-	dev_dbg(dev, "platform register %s\n", dev_name(dev));
+	dev_dbg(dev, "ASoC: platform register %s\n", dev_name(dev));
 
 	platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL);
 	if (platform == NULL)
@@ -3888,7 +3895,7 @@ int snd_soc_register_platform(struct device *dev,
 	list_add(&platform->list, &platform_list);
 	mutex_unlock(&client_mutex);
 
-	pr_debug("Registered platform '%s'\n", platform->name);
+	dev_dbg(dev, "ASoC: Registered platform '%s'\n", platform->name);
 
 	return 0;
 }
@@ -3914,7 +3921,7 @@ found:
 	list_del(&platform->list);
 	mutex_unlock(&client_mutex);
 
-	pr_debug("Unregistered platform '%s'\n", platform->name);
+	dev_dbg(dev, "ASoC: Unregistered platform '%s'\n", platform->name);
 	kfree(platform->name);
 	kfree(platform);
 }
@@ -4043,11 +4050,11 @@ int snd_soc_register_codec(struct device *dev,
 	if (num_dai) {
 		ret = snd_soc_register_dais(dev, dai_drv, num_dai);
 		if (ret < 0)
-			dev_err(codec->dev, "Failed to regster DAIs: %d\n",
-				ret);
+			dev_err(codec->dev, "ASoC: Failed to regster"
+				" DAIs: %d\n", ret);
 	}
 
-	pr_debug("Registered codec '%s'\n", codec->name);
+	dev_dbg(codec->dev, "ASoC: Registered codec '%s'\n", codec->name);
 	return 0;
 
 fail:
@@ -4082,7 +4089,7 @@ found:
 	list_del(&codec->list);
 	mutex_unlock(&client_mutex);
 
-	pr_debug("Unregistered codec '%s'\n", codec->name);
+	dev_dbg(codec->dev, "ASoC: Unregistered codec '%s'\n", codec->name);
 
 	snd_soc_cache_exit(codec);
 	kfree(codec->reg_def_copy);
@@ -4106,7 +4113,7 @@ int snd_soc_of_parse_card_name(struct snd_soc_card *card,
 	 */
 	if (ret < 0 && ret != -EINVAL) {
 		dev_err(card->dev,
-			"Property '%s' could not be read: %d\n",
+			"ASoC: Property '%s' could not be read: %d\n",
 			propname, ret);
 		return ret;
 	}
@@ -4125,15 +4132,13 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
 
 	num_routes = of_property_count_strings(np, propname);
 	if (num_routes < 0 || num_routes & 1) {
-		dev_err(card->dev,
-		     "Property '%s' does not exist or its length is not even\n",
-		     propname);
+		dev_err(card->dev, "ASoC: Property '%s' does not exist or its"
+			" length is not even\n", propname);
 		return -EINVAL;
 	}
 	num_routes /= 2;
 	if (!num_routes) {
-		dev_err(card->dev,
-			"Property '%s's length is zero\n",
+		dev_err(card->dev, "ASoC: Property '%s's length is zero\n",
 			propname);
 		return -EINVAL;
 	}
@@ -4142,7 +4147,7 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
 			      GFP_KERNEL);
 	if (!routes) {
 		dev_err(card->dev,
-			"Could not allocate DAPM route table\n");
+			"ASoC: Could not allocate DAPM route table\n");
 		return -EINVAL;
 	}
 
@@ -4150,9 +4155,9 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
 		ret = of_property_read_string_index(np, propname,
 			2 * i, &routes[i].sink);
 		if (ret) {
-			dev_err(card->dev,
-				"Property '%s' index %d could not be read: %d\n",
-				propname, 2 * i, ret);
+			dev_err(card->dev, "ASoC: Property '%s' index %d"
+				" could not be read: %d\n", propname, 2 * i,
+				ret);
 			kfree(routes);
 			return -EINVAL;
 		}
@@ -4160,8 +4165,8 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
 			(2 * i) + 1, &routes[i].source);
 		if (ret) {
 			dev_err(card->dev,
-				"Property '%s' index %d could not be read: %d\n",
-				propname, (2 * i) + 1, ret);
+				"ASoC: Property '%s' index %d could not be"
+				" read: %d\n", propname, (2 * i) + 1, ret);
 			kfree(routes);
 			return -EINVAL;
 		}
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 6e35bcae02d..1e36bc81e5a 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -220,7 +220,7 @@ static int soc_widget_read(struct snd_soc_dapm_widget *w, int reg)
 	else if (w->platform)
 		return snd_soc_platform_read(w->platform, reg);
 
-	dev_err(w->dapm->dev, "no valid widget read method\n");
+	dev_err(w->dapm->dev, "ASoC: no valid widget read method\n");
 	return -1;
 }
 
@@ -231,7 +231,7 @@ static int soc_widget_write(struct snd_soc_dapm_widget *w, int reg, int val)
 	else if (w->platform)
 		return snd_soc_platform_write(w->platform, reg, val);
 
-	dev_err(w->dapm->dev, "no valid widget write method\n");
+	dev_err(w->dapm->dev, "ASoC: no valid widget write method\n");
 	return -1;
 }
 
@@ -546,7 +546,7 @@ static int dapm_new_mixer(struct snd_soc_dapm_widget *w)
 			wlist = kzalloc(wlistsize, GFP_KERNEL);
 			if (wlist == NULL) {
 				dev_err(dapm->dev,
-					"asoc: can't allocate widget list for %s\n",
+					"ASoC: can't allocate widget list for %s\n",
 					w->name);
 				return -ENOMEM;
 			}
@@ -595,9 +595,9 @@ static int dapm_new_mixer(struct snd_soc_dapm_widget *w)
 						      prefix);
 			ret = snd_ctl_add(card, path->kcontrol);
 			if (ret < 0) {
-				dev_err(dapm->dev,
-					"asoc: failed to add dapm kcontrol %s: %d\n",
-					path->long_name, ret);
+				dev_err(dapm->dev, "ASoC: failed to add widget"
+					" %s dapm kcontrol %s: %d\n",
+					w->name, path->long_name, ret);
 				kfree(wlist);
 				kfree(path->long_name);
 				path->long_name = NULL;
@@ -626,7 +626,7 @@ static int dapm_new_mux(struct snd_soc_dapm_widget *w)
 
 	if (w->num_kcontrols != 1) {
 		dev_err(dapm->dev,
-			"asoc: mux %s has incorrect number of controls\n",
+			"ASoC: mux %s has incorrect number of controls\n",
 			w->name);
 		return -EINVAL;
 	}
@@ -645,7 +645,7 @@ static int dapm_new_mux(struct snd_soc_dapm_widget *w)
 	wlist = krealloc(wlist, wlistsize, GFP_KERNEL);
 	if (wlist == NULL) {
 		dev_err(dapm->dev,
-			"asoc: can't allocate widget list for %s\n", w->name);
+			"ASoC: can't allocate widget list for %s\n", w->name);
 		return -ENOMEM;
 	}
 	wlist->num_widgets = wlistentries;
@@ -677,7 +677,7 @@ static int dapm_new_mux(struct snd_soc_dapm_widget *w)
 					name + prefix_len, prefix);
 		ret = snd_ctl_add(card, kcontrol);
 		if (ret < 0) {
-			dev_err(dapm->dev, "failed to add kcontrol %s: %d\n",
+			dev_err(dapm->dev, "ASoC: failed to add kcontrol %s: %d\n",
 				w->name, ret);
 			kfree(wlist);
 			return ret;
@@ -699,7 +699,7 @@ static int dapm_new_pga(struct snd_soc_dapm_widget *w)
 {
 	if (w->num_kcontrols)
 		dev_err(w->dapm->dev,
-			"asoc: PGA controls not supported: '%s'\n", w->name);
+			"ASoC: PGA controls not supported: '%s'\n", w->name);
 
 	return 0;
 }
@@ -725,7 +725,7 @@ static int snd_soc_dapm_suspend_check(struct snd_soc_dapm_widget *widget)
 	case SNDRV_CTL_POWER_D3hot:
 	case SNDRV_CTL_POWER_D3cold:
 		if (widget->ignore_suspend)
-			dev_dbg(widget->dapm->dev, "%s ignoring suspend\n",
+			dev_dbg(widget->dapm->dev, "ASoC: %s ignoring suspend\n",
 				widget->name);
 		return widget->ignore_suspend;
 	default:
@@ -757,14 +757,14 @@ static int dapm_list_add_widget(struct snd_soc_dapm_widget_list **list,
 			wlistentries * sizeof(struct snd_soc_dapm_widget *);
 	*list = krealloc(wlist, wlistsize, GFP_KERNEL);
 	if (*list == NULL) {
-		dev_err(w->dapm->dev, "can't allocate widget list for %s\n",
+		dev_err(w->dapm->dev, "ASoC: can't allocate widget list for %s\n",
 			w->name);
 		return -ENOMEM;
 	}
 	wlist = *list;
 
 	/* insert the widget */
-	dev_dbg(w->dapm->dev, "added %s in widget list pos %d\n",
+	dev_dbg(w->dapm->dev, "ASoC: added %s in widget list pos %d\n",
 			w->name, wlist->num_widgets);
 
 	wlist->widgets[wlist->num_widgets] = w;
@@ -844,7 +844,8 @@ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget,
 				int err;
 				err = dapm_list_add_widget(list, path->sink);
 				if (err < 0) {
-					dev_err(widget->dapm->dev, "could not add widget %s\n",
+					dev_err(widget->dapm->dev,
+						"ASoC: could not add widget %s\n",
 						widget->name);
 					return con;
 				}
@@ -943,7 +944,8 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget,
 				int err;
 				err = dapm_list_add_widget(list, path->source);
 				if (err < 0) {
-					dev_err(widget->dapm->dev, "could not add widget %s\n",
+					dev_err(widget->dapm->dev,
+						"ASoC: could not add widget %s\n",
 						widget->name);
 					return con;
 				}
@@ -1024,7 +1026,7 @@ int dapm_regulator_event(struct snd_soc_dapm_widget *w,
 			ret = regulator_allow_bypass(w->regulator, true);
 			if (ret != 0)
 				dev_warn(w->dapm->dev,
-					 "Failed to bypass %s: %d\n",
+					 "ASoC: Failed to bypass %s: %d\n",
 					 w->name, ret);
 		}
 
@@ -1034,7 +1036,7 @@ int dapm_regulator_event(struct snd_soc_dapm_widget *w,
 			ret = regulator_allow_bypass(w->regulator, false);
 			if (ret != 0)
 				dev_warn(w->dapm->dev,
-					 "Failed to unbypass %s: %d\n",
+					 "ASoC: Failed to unbypass %s: %d\n",
 					 w->name, ret);
 		}
 
@@ -1253,7 +1255,7 @@ static void dapm_seq_check_event(struct snd_soc_dapm_context *dapm,
 		ret = w->event(w, NULL, event);
 		trace_snd_soc_dapm_widget_event_done(w, event);
 		if (ret < 0)
-			pr_err("%s: %s event failed: %d\n",
+			dev_err(dapm->dev, "ASoC: %s: %s event failed: %d\n",
 			       ev_name, w->name, ret);
 	}
 }
@@ -1402,7 +1404,7 @@ static void dapm_seq_run(struct snd_soc_dapm_context *dapm,
 
 		if (ret < 0)
 			dev_err(w->dapm->dev,
-				"Failed to apply widget power: %d\n", ret);
+				"ASoC: Failed to apply widget power: %d\n", ret);
 	}
 
 	if (!list_empty(&pending))
@@ -1431,20 +1433,21 @@ static void dapm_widget_update(struct snd_soc_dapm_context *dapm)
 	    (w->event_flags & SND_SOC_DAPM_PRE_REG)) {
 		ret = w->event(w, update->kcontrol, SND_SOC_DAPM_PRE_REG);
 		if (ret != 0)
-			pr_err("%s DAPM pre-event failed: %d\n",
+			dev_err(dapm->dev, "ASoC: %s DAPM pre-event failed: %d\n",
 			       w->name, ret);
 	}
 
 	ret = soc_widget_update_bits_locked(w, update->reg, update->mask,
 				  update->val);
 	if (ret < 0)
-		pr_err("%s DAPM update failed: %d\n", w->name, ret);
+		dev_err(dapm->dev, "ASoC: %s DAPM update failed: %d\n",
+			w->name, ret);
 
 	if (w->event &&
 	    (w->event_flags & SND_SOC_DAPM_POST_REG)) {
 		ret = w->event(w, update->kcontrol, SND_SOC_DAPM_POST_REG);
 		if (ret != 0)
-			pr_err("%s DAPM post-event failed: %d\n",
+			dev_err(dapm->dev, "ASoC: %s DAPM post-event failed: %d\n",
 			       w->name, ret);
 	}
 }
@@ -1466,7 +1469,7 @@ static void dapm_pre_sequence_async(void *data, async_cookie_t cookie)
 		ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_STANDBY);
 		if (ret != 0)
 			dev_err(d->dev,
-				"Failed to turn on bias: %d\n", ret);
+				"ASoC: Failed to turn on bias: %d\n", ret);
 	}
 
 	/* Prepare for a STADDBY->ON or ON->STANDBY transition */
@@ -1474,7 +1477,7 @@ static void dapm_pre_sequence_async(void *data, async_cookie_t cookie)
 		ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_PREPARE);
 		if (ret != 0)
 			dev_err(d->dev,
-				"Failed to prepare bias: %d\n", ret);
+				"ASoC: Failed to prepare bias: %d\n", ret);
 	}
 }
 
@@ -1492,7 +1495,7 @@ static void dapm_post_sequence_async(void *data, async_cookie_t cookie)
 	     d->target_bias_level == SND_SOC_BIAS_OFF)) {
 		ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_STANDBY);
 		if (ret != 0)
-			dev_err(d->dev, "Failed to apply standby bias: %d\n",
+			dev_err(d->dev, "ASoC: Failed to apply standby bias: %d\n",
 				ret);
 	}
 
@@ -1501,7 +1504,8 @@ static void dapm_post_sequence_async(void *data, async_cookie_t cookie)
 	    d->target_bias_level == SND_SOC_BIAS_OFF) {
 		ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_OFF);
 		if (ret != 0)
-			dev_err(d->dev, "Failed to turn off bias: %d\n", ret);
+			dev_err(d->dev, "ASoC: Failed to turn off bias: %d\n",
+				ret);
 
 		if (d->dev)
 			pm_runtime_put(d->dev);
@@ -1512,7 +1516,7 @@ static void dapm_post_sequence_async(void *data, async_cookie_t cookie)
 	    d->target_bias_level == SND_SOC_BIAS_ON) {
 		ret = snd_soc_dapm_set_bias_level(d, SND_SOC_BIAS_ON);
 		if (ret != 0)
-			dev_err(d->dev, "Failed to apply active bias: %d\n",
+			dev_err(d->dev, "ASoC: Failed to apply active bias: %d\n",
 				ret);
 	}
 }
@@ -1838,7 +1842,7 @@ void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm,
 
 	if (!dapm->debugfs_dapm) {
 		dev_warn(dapm->dev,
-		       "Failed to create DAPM debugfs directory\n");
+		       "ASoC: Failed to create DAPM debugfs directory\n");
 		return;
 	}
 
@@ -2123,7 +2127,7 @@ static int snd_soc_dapm_set_pin(struct snd_soc_dapm_context *dapm,
 	struct snd_soc_dapm_widget *w = dapm_find_widget(dapm, pin, true);
 
 	if (!w) {
-		dev_err(dapm->dev, "dapm: unknown pin %s\n", pin);
+		dev_err(dapm->dev, "ASoC: DAPM unknown pin %s\n", pin);
 		return -EINVAL;
 	}
 
@@ -2212,8 +2216,16 @@ static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm,
 	if (!wsource)
 		wsource = wtsource;
 
-	if (wsource == NULL || wsink == NULL)
+	if (wsource == NULL) {
+		dev_err(dapm->dev, "ASoC: no source widget found for %s\n",
+			route->source);
 		return -ENODEV;
+	}
+	if (wsink == NULL) {
+		dev_err(dapm->dev, "ASoC: no sink widget found for %s\n",
+			route->sink);
+		return -ENODEV;
+	}
 
 	path = kzalloc(sizeof(struct snd_soc_dapm_path), GFP_KERNEL);
 	if (!path)
@@ -2308,7 +2320,7 @@ static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm,
 	return 0;
 
 err:
-	dev_warn(dapm->dev, "asoc: no dapm match for %s --> %s --> %s\n",
+	dev_warn(dapm->dev, "ASoC: no dapm match for %s --> %s --> %s\n",
 		 source, control, sink);
 	kfree(path);
 	return ret;
@@ -2325,7 +2337,7 @@ static int snd_soc_dapm_del_route(struct snd_soc_dapm_context *dapm,
 
 	if (route->control) {
 		dev_err(dapm->dev,
-			"Removal of routes with controls not supported\n");
+			"ASoC: Removal of routes with controls not supported\n");
 		return -EINVAL;
 	}
 
@@ -2360,7 +2372,7 @@ static int snd_soc_dapm_del_route(struct snd_soc_dapm_context *dapm,
 		list_del(&path->list_source);
 		kfree(path);
 	} else {
-		dev_warn(dapm->dev, "Route %s->%s does not exist\n",
+		dev_warn(dapm->dev, "ASoC: Route %s->%s does not exist\n",
 			 source, sink);
 	}
 
@@ -2389,8 +2401,10 @@ int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm,
 	for (i = 0; i < num; i++) {
 		r = snd_soc_dapm_add_route(dapm, route);
 		if (r < 0) {
-			dev_err(dapm->dev, "Failed to add route %s->%s\n",
-				route->source, route->sink);
+			dev_err(dapm->dev, "ASoC: Failed to add route %s -> %s -> %s\n",
+				route->source,
+				route->control ? route->control : "direct",
+				route->sink);
 			ret = r;
 		}
 		route++;
@@ -2438,19 +2452,19 @@ static int snd_soc_dapm_weak_route(struct snd_soc_dapm_context *dapm,
 	int count = 0;
 
 	if (!source) {
-		dev_err(dapm->dev, "Unable to find source %s for weak route\n",
+		dev_err(dapm->dev, "ASoC: Unable to find source %s for weak route\n",
 			route->source);
 		return -ENODEV;
 	}
 
 	if (!sink) {
-		dev_err(dapm->dev, "Unable to find sink %s for weak route\n",
+		dev_err(dapm->dev, "ASoC: Unable to find sink %s for weak route\n",
 			route->sink);
 		return -ENODEV;
 	}
 
 	if (route->control || route->connected)
-		dev_warn(dapm->dev, "Ignoring control for weak route %s->%s\n",
+		dev_warn(dapm->dev, "ASoC: Ignoring control for weak route %s->%s\n",
 			 route->source, route->sink);
 
 	list_for_each_entry(path, &source->sinks, list_source) {
@@ -2461,10 +2475,10 @@ static int snd_soc_dapm_weak_route(struct snd_soc_dapm_context *dapm,
 	}
 
 	if (count == 0)
-		dev_err(dapm->dev, "No path found for weak route %s->%s\n",
+		dev_err(dapm->dev, "ASoC: No path found for weak route %s->%s\n",
 			route->source, route->sink);
 	if (count > 1)
-		dev_warn(dapm->dev, "%d paths found for weak route %s->%s\n",
+		dev_warn(dapm->dev, "ASoC: %d paths found for weak route %s->%s\n",
 			 count, route->source, route->sink);
 
 	return 0;
@@ -2601,7 +2615,7 @@ int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol,
 
 	if (snd_soc_volsw_is_stereo(mc))
 		dev_warn(widget->dapm->dev,
-			 "Control '%s' is stereo, which is not supported\n",
+			 "ASoC: Control '%s' is stereo, which is not supported\n",
 			 kcontrol->id.name);
 
 	ucontrol->value.integer.value[0] =
@@ -2644,7 +2658,7 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
 
 	if (snd_soc_volsw_is_stereo(mc))
 		dev_warn(widget->dapm->dev,
-			 "Control '%s' is stereo, which is not supported\n",
+			 "ASoC: Control '%s' is stereo, which is not supported\n",
 			 kcontrol->id.name);
 
 	val = (ucontrol->value.integer.value[0] & mask);
@@ -3021,7 +3035,7 @@ snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
 		w->regulator = devm_regulator_get(dapm->dev, w->name);
 		if (IS_ERR(w->regulator)) {
 			ret = PTR_ERR(w->regulator);
-			dev_err(dapm->dev, "Failed to request %s: %d\n",
+			dev_err(dapm->dev, "ASoC: Failed to request %s: %d\n",
 				w->name, ret);
 			return NULL;
 		}
@@ -3031,7 +3045,7 @@ snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
 		w->clk = devm_clk_get(dapm->dev, w->name);
 		if (IS_ERR(w->clk)) {
 			ret = PTR_ERR(w->clk);
-			dev_err(dapm->dev, "Failed to request %s: %d\n",
+			dev_err(dapm->dev, "ASoC: Failed to request %s: %d\n",
 				w->name, ret);
 			return NULL;
 		}
@@ -3182,7 +3196,7 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
 	if (config->formats) {
 		fmt = ffs(config->formats) - 1;
 	} else {
-		dev_warn(w->dapm->dev, "Invalid format %llx specified\n",
+		dev_warn(w->dapm->dev, "ASoC: Invalid format %llx specified\n",
 			 config->formats);
 		fmt = 0;
 	}
@@ -3215,7 +3229,7 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
 							     params, source);
 			if (ret != 0) {
 				dev_err(source->dev,
-					"hw_params() failed: %d\n", ret);
+					"ASoC: hw_params() failed: %d\n", ret);
 				goto out;
 			}
 		}
@@ -3226,7 +3240,7 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
 							   sink);
 			if (ret != 0) {
 				dev_err(sink->dev,
-					"hw_params() failed: %d\n", ret);
+					"ASoC: hw_params() failed: %d\n", ret);
 				goto out;
 			}
 		}
@@ -3235,14 +3249,14 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
 	case SND_SOC_DAPM_POST_PMU:
 		ret = snd_soc_dai_digital_mute(sink, 0);
 		if (ret != 0 && ret != -ENOTSUPP)
-			dev_warn(sink->dev, "Failed to unmute: %d\n", ret);
+			dev_warn(sink->dev, "ASoC: Failed to unmute: %d\n", ret);
 		ret = 0;
 		break;
 
 	case SND_SOC_DAPM_PRE_PMD:
 		ret = snd_soc_dai_digital_mute(sink, 1);
 		if (ret != 0 && ret != -ENOTSUPP)
-			dev_warn(sink->dev, "Failed to mute: %d\n", ret);
+			dev_warn(sink->dev, "ASoC: Failed to mute: %d\n", ret);
 		ret = 0;
 		break;
 
@@ -3281,11 +3295,11 @@ int snd_soc_dapm_new_pcm(struct snd_soc_card *card,
 	template.event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
 		SND_SOC_DAPM_PRE_PMD;
 
-	dev_dbg(card->dev, "adding %s widget\n", link_name);
+	dev_dbg(card->dev, "ASoC: adding %s widget\n", link_name);
 
 	w = snd_soc_dapm_new_control(&card->dapm, &template);
 	if (!w) {
-		dev_err(card->dev, "Failed to create %s widget\n",
+		dev_err(card->dev, "ASoC: Failed to create %s widget\n",
 			link_name);
 		return -ENOMEM;
 	}
@@ -3319,12 +3333,12 @@ int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm,
 		template.name = dai->driver->playback.stream_name;
 		template.sname = dai->driver->playback.stream_name;
 
-		dev_dbg(dai->dev, "adding %s widget\n",
+		dev_dbg(dai->dev, "ASoC: adding %s widget\n",
 			template.name);
 
 		w = snd_soc_dapm_new_control(dapm, &template);
 		if (!w) {
-			dev_err(dapm->dev, "Failed to create %s widget\n",
+			dev_err(dapm->dev, "ASoC: Failed to create %s widget\n",
 				dai->driver->playback.stream_name);
 		}
 
@@ -3337,12 +3351,12 @@ int snd_soc_dapm_new_dai_widgets(struct snd_soc_dapm_context *dapm,
 		template.name = dai->driver->capture.stream_name;
 		template.sname = dai->driver->capture.stream_name;
 
-		dev_dbg(dai->dev, "adding %s widget\n",
+		dev_dbg(dai->dev, "ASoC: adding %s widget\n",
 			template.name);
 
 		w = snd_soc_dapm_new_control(dapm, &template);
 		if (!w) {
-			dev_err(dapm->dev, "Failed to create %s widget\n",
+			dev_err(dapm->dev, "ASoC: Failed to create %s widget\n",
 				dai->driver->capture.stream_name);
 		}
 
@@ -3518,11 +3532,11 @@ int snd_soc_dapm_force_enable_pin(struct snd_soc_dapm_context *dapm,
 	struct snd_soc_dapm_widget *w = dapm_find_widget(dapm, pin, true);
 
 	if (!w) {
-		dev_err(dapm->dev, "dapm: unknown pin %s\n", pin);
+		dev_err(dapm->dev, "ASoC: unknown pin %s\n", pin);
 		return -EINVAL;
 	}
 
-	dev_dbg(w->dapm->dev, "dapm: force enable pin %s\n", pin);
+	dev_dbg(w->dapm->dev, "ASoC: force enable pin %s\n", pin);
 	w->connected = 1;
 	w->force = 1;
 	dapm_mark_dirty(w, "force enable");
@@ -3605,7 +3619,7 @@ int snd_soc_dapm_ignore_suspend(struct snd_soc_dapm_context *dapm,
 	struct snd_soc_dapm_widget *w = dapm_find_widget(dapm, pin, false);
 
 	if (!w) {
-		dev_err(dapm->dev, "dapm: unknown pin %s\n", pin);
+		dev_err(dapm->dev, "ASoC: unknown pin %s\n", pin);
 		return -EINVAL;
 	}
 
@@ -3664,7 +3678,7 @@ void snd_soc_dapm_auto_nc_codec_pins(struct snd_soc_codec *codec)
 	struct snd_soc_dapm_context *dapm = &codec->dapm;
 	struct snd_soc_dapm_widget *w;
 
-	dev_dbg(codec->dev, "Auto NC: DAPMs: card:%p codec:%p\n",
+	dev_dbg(codec->dev, "ASoC: Auto NC: DAPMs: card:%p codec:%p\n",
 		&card->dapm, &codec->dapm);
 
 	list_for_each_entry(w, &card->widgets, list) {
@@ -3674,7 +3688,7 @@ void snd_soc_dapm_auto_nc_codec_pins(struct snd_soc_codec *codec)
 		case snd_soc_dapm_input:
 		case snd_soc_dapm_output:
 		case snd_soc_dapm_micbias:
-			dev_dbg(codec->dev, "Auto NC: Checking widget %s\n",
+			dev_dbg(codec->dev, "ASoC: Auto NC: Checking widget %s\n",
 				w->name);
 			if (!snd_soc_dapm_widget_in_card_paths(card, w)) {
 				dev_dbg(codec->dev,
diff --git a/sound/soc/soc-jack.c b/sound/soc/soc-jack.c
index e41e14c9565..0bb5cccd776 100644
--- a/sound/soc/soc-jack.c
+++ b/sound/soc/soc-jack.c
@@ -169,12 +169,13 @@ int snd_soc_jack_add_pins(struct snd_soc_jack *jack, int count,
 
 	for (i = 0; i < count; i++) {
 		if (!pins[i].pin) {
-			printk(KERN_ERR "No name for pin %d\n", i);
+			dev_err(jack->codec->dev, "ASoC: No name for pin %d\n",
+				i);
 			return -EINVAL;
 		}
 		if (!pins[i].mask) {
-			printk(KERN_ERR "No mask for pin %d (%s)\n", i,
-			       pins[i].pin);
+			dev_err(jack->codec->dev, "ASoC: No mask for pin %d"
+				" (%s)\n", i, pins[i].pin);
 			return -EINVAL;
 		}
 
@@ -294,13 +295,13 @@ int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
 
 	for (i = 0; i < count; i++) {
 		if (!gpio_is_valid(gpios[i].gpio)) {
-			printk(KERN_ERR "Invalid gpio %d\n",
+			dev_err(jack->codec->dev, "ASoC: Invalid gpio %d\n",
 				gpios[i].gpio);
 			ret = -EINVAL;
 			goto undo;
 		}
 		if (!gpios[i].name) {
-			printk(KERN_ERR "No name for gpio %d\n",
+			dev_err(jack->codec->dev, "ASoC: No name for gpio %d\n",
 				gpios[i].gpio);
 			ret = -EINVAL;
 			goto undo;
@@ -329,7 +330,7 @@ int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count,
 		if (gpios[i].wake) {
 			ret = irq_set_irq_wake(gpio_to_irq(gpios[i].gpio), 1);
 			if (ret != 0)
-				printk(KERN_ERR
+				dev_err(jack->codec->dev, "ASoC: "
 				  "Failed to mark GPIO %d as wake source: %d\n",
 					gpios[i].gpio, ret);
 		}
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index ef22d0bd9e9..5c3ca2a3466 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -43,7 +43,7 @@ static int dpcm_dapm_stream_event(struct snd_soc_pcm_runtime *fe, int dir,
 
 		struct snd_soc_pcm_runtime *be = dpcm->be;
 
-		dev_dbg(be->dev, "pm: BE %s event %d dir %d\n",
+		dev_dbg(be->dev, "ASoC: BE %s event %d dir %d\n",
 				be->dai_link->name, event, dir);
 
 		snd_soc_dapm_stream_event(be, dir, event);
@@ -70,18 +70,19 @@ static int soc_pcm_apply_symmetry(struct snd_pcm_substream *substream,
 	 */
 	if (!soc_dai->rate) {
 		dev_warn(soc_dai->dev,
-			 "Not enforcing symmetric_rates due to race\n");
+			 "ASoC: Not enforcing symmetric_rates due to race\n");
 		return 0;
 	}
 
-	dev_dbg(soc_dai->dev, "Symmetry forces %dHz rate\n", soc_dai->rate);
+	dev_dbg(soc_dai->dev, "ASoC: Symmetry forces %dHz rate\n", soc_dai->rate);
 
 	ret = snd_pcm_hw_constraint_minmax(substream->runtime,
 					   SNDRV_PCM_HW_PARAM_RATE,
 					   soc_dai->rate, soc_dai->rate);
 	if (ret < 0) {
 		dev_err(soc_dai->dev,
-			"Unable to apply rate symmetry constraint: %d\n", ret);
+			"ASoC: Unable to apply rate symmetry constraint: %d\n",
+			ret);
 		return ret;
 	}
 
@@ -118,7 +119,7 @@ static void soc_pcm_apply_msb(struct snd_pcm_substream *substream,
 						   sample_sizes[i], bits);
 		if (ret != 0)
 			dev_warn(dai->dev,
-				 "Failed to set MSB %d/%d: %d\n",
+				 "ASoC: Failed to set MSB %d/%d: %d\n",
 				 bits, sample_sizes[i], ret);
 	}
 }
@@ -149,8 +150,8 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
 	if (cpu_dai->driver->ops->startup) {
 		ret = cpu_dai->driver->ops->startup(substream, cpu_dai);
 		if (ret < 0) {
-			dev_err(cpu_dai->dev, "can't open interface %s: %d\n",
-				cpu_dai->name, ret);
+			dev_err(cpu_dai->dev, "ASoC: can't open interface"
+				" %s: %d\n", cpu_dai->name, ret);
 			goto out;
 		}
 	}
@@ -158,8 +159,8 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
 	if (platform->driver->ops && platform->driver->ops->open) {
 		ret = platform->driver->ops->open(substream);
 		if (ret < 0) {
-			dev_err(platform->dev, "can't open platform %s: %d\n",
-				platform->name, ret);
+			dev_err(platform->dev, "ASoC: can't open platform"
+				" %s: %d\n", platform->name, ret);
 			goto platform_err;
 		}
 	}
@@ -167,8 +168,8 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
 	if (codec_dai->driver->ops->startup) {
 		ret = codec_dai->driver->ops->startup(substream, codec_dai);
 		if (ret < 0) {
-			dev_err(codec_dai->dev, "can't open codec %s: %d\n",
-				codec_dai->name, ret);
+			dev_err(codec_dai->dev, "ASoC: can't open codec"
+				" %s: %d\n", codec_dai->name, ret);
 			goto codec_dai_err;
 		}
 	}
@@ -176,7 +177,7 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
 	if (rtd->dai_link->ops && rtd->dai_link->ops->startup) {
 		ret = rtd->dai_link->ops->startup(substream);
 		if (ret < 0) {
-			pr_err("asoc: %s startup failed: %d\n",
+			pr_err("ASoC: %s startup failed: %d\n",
 			       rtd->dai_link->name, ret);
 			goto machine_err;
 		}
@@ -238,18 +239,18 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
 	ret = -EINVAL;
 	snd_pcm_limit_hw_rates(runtime);
 	if (!runtime->hw.rates) {
-		printk(KERN_ERR "asoc: %s <-> %s No matching rates\n",
+		printk(KERN_ERR "ASoC: %s <-> %s No matching rates\n",
 			codec_dai->name, cpu_dai->name);
 		goto config_err;
 	}
 	if (!runtime->hw.formats) {
-		printk(KERN_ERR "asoc: %s <-> %s No matching formats\n",
+		printk(KERN_ERR "ASoC: %s <-> %s No matching formats\n",
 			codec_dai->name, cpu_dai->name);
 		goto config_err;
 	}
 	if (!runtime->hw.channels_min || !runtime->hw.channels_max ||
 	    runtime->hw.channels_min > runtime->hw.channels_max) {
-		printk(KERN_ERR "asoc: %s <-> %s No matching channels\n",
+		printk(KERN_ERR "ASoC: %s <-> %s No matching channels\n",
 				codec_dai->name, cpu_dai->name);
 		goto config_err;
 	}
@@ -270,12 +271,12 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
 			goto config_err;
 	}
 
-	pr_debug("asoc: %s <-> %s info:\n",
+	pr_debug("ASoC: %s <-> %s info:\n",
 			codec_dai->name, cpu_dai->name);
-	pr_debug("asoc: rate mask 0x%x\n", runtime->hw.rates);
-	pr_debug("asoc: min ch %d max ch %d\n", runtime->hw.channels_min,
+	pr_debug("ASoC: rate mask 0x%x\n", runtime->hw.rates);
+	pr_debug("ASoC: min ch %d max ch %d\n", runtime->hw.channels_min,
 		 runtime->hw.channels_max);
-	pr_debug("asoc: min rate %d max rate %d\n", runtime->hw.rate_min,
+	pr_debug("ASoC: min rate %d max rate %d\n", runtime->hw.rate_min,
 		 runtime->hw.rate_max);
 
 dynamic:
@@ -330,7 +331,7 @@ static void close_delayed_work(struct work_struct *work)
 
 	mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
 
-	pr_debug("pop wq checking: %s status: %s waiting: %s\n",
+	dev_dbg(rtd->dev, "ASoC: pop wq checking: %s status: %s waiting: %s\n",
 		 codec_dai->driver->playback.stream_name,
 		 codec_dai->playback_active ? "active" : "inactive",
 		 codec_dai->pop_wait ? "yes" : "no");
@@ -444,7 +445,8 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream)
 	if (rtd->dai_link->ops && rtd->dai_link->ops->prepare) {
 		ret = rtd->dai_link->ops->prepare(substream);
 		if (ret < 0) {
-			pr_err("asoc: machine prepare error: %d\n", ret);
+			dev_err(rtd->card->dev, "ASoC: machine prepare error:"
+				" %d\n", ret);
 			goto out;
 		}
 	}
@@ -452,8 +454,8 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream)
 	if (platform->driver->ops && platform->driver->ops->prepare) {
 		ret = platform->driver->ops->prepare(substream);
 		if (ret < 0) {
-			dev_err(platform->dev, "platform prepare error: %d\n",
-				ret);
+			dev_err(platform->dev, "ASoC: platform prepare error:"
+				" %d\n", ret);
 			goto out;
 		}
 	}
@@ -461,7 +463,7 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream)
 	if (codec_dai->driver->ops->prepare) {
 		ret = codec_dai->driver->ops->prepare(substream, codec_dai);
 		if (ret < 0) {
-			dev_err(codec_dai->dev, "DAI prepare error: %d\n",
+			dev_err(codec_dai->dev, "ASoC: DAI prepare error: %d\n",
 				ret);
 			goto out;
 		}
@@ -470,7 +472,7 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream)
 	if (cpu_dai->driver->ops->prepare) {
 		ret = cpu_dai->driver->ops->prepare(substream, cpu_dai);
 		if (ret < 0) {
-			dev_err(cpu_dai->dev, "DAI prepare error: %d\n",
+			dev_err(cpu_dai->dev, "ASoC: DAI prepare error: %d\n",
 				ret);
 			goto out;
 		}
@@ -512,7 +514,8 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
 	if (rtd->dai_link->ops && rtd->dai_link->ops->hw_params) {
 		ret = rtd->dai_link->ops->hw_params(substream, params);
 		if (ret < 0) {
-			pr_err("asoc: machine hw_params failed: %d\n", ret);
+			dev_err(rtd->card->dev, "ASoC: machine hw_params"
+				" failed: %d\n", ret);
 			goto out;
 		}
 	}
@@ -520,8 +523,8 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
 	if (codec_dai->driver->ops->hw_params) {
 		ret = codec_dai->driver->ops->hw_params(substream, params, codec_dai);
 		if (ret < 0) {
-			dev_err(codec_dai->dev, "can't set %s hw params: %d\n",
-				codec_dai->name, ret);
+			dev_err(codec_dai->dev, "ASoC: can't set %s hw params:"
+				" %d\n", codec_dai->name, ret);
 			goto codec_err;
 		}
 	}
@@ -529,7 +532,7 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
 	if (cpu_dai->driver->ops->hw_params) {
 		ret = cpu_dai->driver->ops->hw_params(substream, params, cpu_dai);
 		if (ret < 0) {
-			dev_err(cpu_dai->dev, "%s hw params failed: %d\n",
+			dev_err(cpu_dai->dev, "ASoC: %s hw params failed: %d\n",
 				cpu_dai->name, ret);
 			goto interface_err;
 		}
@@ -538,7 +541,7 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
 	if (platform->driver->ops && platform->driver->ops->hw_params) {
 		ret = platform->driver->ops->hw_params(substream, params);
 		if (ret < 0) {
-			dev_err(platform->dev, "%s hw params failed: %d\n",
+			dev_err(platform->dev, "ASoC: %s hw params failed: %d\n",
 			       platform->name, ret);
 			goto platform_err;
 		}
@@ -760,7 +763,7 @@ static void dpcm_be_disconnect(struct snd_soc_pcm_runtime *fe, int stream)
 	struct snd_soc_dpcm *dpcm, *d;
 
 	list_for_each_entry_safe(dpcm, d, &fe->dpcm[stream].be_clients, list_be) {
-		dev_dbg(fe->dev, "BE %s disconnect check for %s\n",
+		dev_dbg(fe->dev, "ASoC: BE %s disconnect check for %s\n",
 				stream ? "capture" : "playback",
 				dpcm->be->dai_link->name);
 
@@ -815,7 +818,7 @@ static struct snd_soc_pcm_runtime *dpcm_get_be(struct snd_soc_card *card,
 		}
 	}
 
-	dev_err(card->dev, "can't get %s BE for %s\n",
+	dev_err(card->dev, "ASoC: can't get %s BE for %s\n",
 		stream ? "capture" : "playback", widget->name);
 	return NULL;
 }
@@ -866,7 +869,7 @@ static int dpcm_path_get(struct snd_soc_pcm_runtime *fe,
 	/* get number of valid DAI paths and their widgets */
 	paths = snd_soc_dapm_dai_get_connected_widgets(cpu_dai, stream, &list);
 
-	dev_dbg(fe->dev, "found %d audio %s paths\n", paths,
+	dev_dbg(fe->dev, "ASoC: found %d audio %s paths\n", paths,
 			stream ? "capture" : "playback");
 
 	*list_ = list;
@@ -903,7 +906,7 @@ static int dpcm_prune_paths(struct snd_soc_pcm_runtime *fe, int stream,
 		if (widget && widget_in_list(list, widget))
 			continue;
 
-		dev_dbg(fe->dev, "pruning %s BE %s for %s\n",
+		dev_dbg(fe->dev, "ASoC: pruning %s BE %s for %s\n",
 			stream ? "capture" : "playback",
 			dpcm->be->dai_link->name, fe->dai_link->name);
 		dpcm->state = SND_SOC_DPCM_LINK_STATE_FREE;
@@ -911,7 +914,7 @@ static int dpcm_prune_paths(struct snd_soc_pcm_runtime *fe, int stream,
 		prune++;
 	}
 
-	dev_dbg(fe->dev, "found %d old BE paths for pruning\n", prune);
+	dev_dbg(fe->dev, "ASoC: found %d old BE paths for pruning\n", prune);
 	return prune;
 }
 
@@ -932,7 +935,7 @@ static int dpcm_add_paths(struct snd_soc_pcm_runtime *fe, int stream,
 		/* is there a valid BE rtd for this widget */
 		be = dpcm_get_be(card, list->widgets[i], stream);
 		if (!be) {
-			dev_err(fe->dev, "no BE found for %s\n",
+			dev_err(fe->dev, "ASoC: no BE found for %s\n",
 					list->widgets[i]->name);
 			continue;
 		}
@@ -948,7 +951,7 @@ static int dpcm_add_paths(struct snd_soc_pcm_runtime *fe, int stream,
 		/* newly connected FE and BE */
 		err = dpcm_be_connect(fe, be, stream);
 		if (err < 0) {
-			dev_err(fe->dev, "can't connect %s\n",
+			dev_err(fe->dev, "ASoC: can't connect %s\n",
 				list->widgets[i]->name);
 			break;
 		} else if (err == 0) /* already connected */
@@ -959,7 +962,7 @@ static int dpcm_add_paths(struct snd_soc_pcm_runtime *fe, int stream,
 		new++;
 	}
 
-	dev_dbg(fe->dev, "found %d new BE paths\n", new);
+	dev_dbg(fe->dev, "ASoC: found %d new BE paths\n", new);
 	return new;
 }
 
@@ -998,7 +1001,7 @@ static void dpcm_be_dai_startup_unwind(struct snd_soc_pcm_runtime *fe,
 			snd_soc_dpcm_get_substream(be, stream);
 
 		if (be->dpcm[stream].users == 0)
-			dev_err(be->dev, "no users %s at close - state %d\n",
+			dev_err(be->dev, "ASoC: no users %s at close - state %d\n",
 				stream ? "capture" : "playback",
 				be->dpcm[stream].state);
 
@@ -1032,7 +1035,7 @@ static int dpcm_be_dai_startup(struct snd_soc_pcm_runtime *fe, int stream)
 
 		/* first time the dpcm is open ? */
 		if (be->dpcm[stream].users == DPCM_MAX_BE_USERS)
-			dev_err(be->dev, "too many users %s at open %d\n",
+			dev_err(be->dev, "ASoC: too many users %s at open %d\n",
 				stream ? "capture" : "playback",
 				be->dpcm[stream].state);
 
@@ -1043,15 +1046,15 @@ static int dpcm_be_dai_startup(struct snd_soc_pcm_runtime *fe, int stream)
 		    (be->dpcm[stream].state != SND_SOC_DPCM_STATE_CLOSE))
 			continue;
 
-		dev_dbg(be->dev, "dpcm: open BE %s\n", be->dai_link->name);
+		dev_dbg(be->dev, "ASoC: open BE %s\n", be->dai_link->name);
 
 		be_substream->runtime = be->dpcm[stream].runtime;
 		err = soc_pcm_open(be_substream);
 		if (err < 0) {
-			dev_err(be->dev, "BE open failed %d\n", err);
+			dev_err(be->dev, "ASoC: BE open failed %d\n", err);
 			be->dpcm[stream].users--;
 			if (be->dpcm[stream].users < 0)
-				dev_err(be->dev, "no users %s at unwind %d\n",
+				dev_err(be->dev, "ASoC: no users %s at unwind %d\n",
 					stream ? "capture" : "playback",
 					be->dpcm[stream].state);
 
@@ -1076,7 +1079,7 @@ unwind:
 			continue;
 
 		if (be->dpcm[stream].users == 0)
-			dev_err(be->dev, "no users %s at close %d\n",
+			dev_err(be->dev, "ASoC: no users %s at close %d\n",
 				stream ? "capture" : "playback",
 				be->dpcm[stream].state);
 
@@ -1128,16 +1131,16 @@ static int dpcm_fe_dai_startup(struct snd_pcm_substream *fe_substream)
 
 	ret = dpcm_be_dai_startup(fe, fe_substream->stream);
 	if (ret < 0) {
-		dev_err(fe->dev,"dpcm: failed to start some BEs %d\n", ret);
+		dev_err(fe->dev,"ASoC: failed to start some BEs %d\n", ret);
 		goto be_err;
 	}
 
-	dev_dbg(fe->dev, "dpcm: open FE %s\n", fe->dai_link->name);
+	dev_dbg(fe->dev, "ASoC: open FE %s\n", fe->dai_link->name);
 
 	/* start the DAI frontend */
 	ret = soc_pcm_open(fe_substream);
 	if (ret < 0) {
-		dev_err(fe->dev,"dpcm: failed to start FE %d\n", ret);
+		dev_err(fe->dev,"ASoC: failed to start FE %d\n", ret);
 		goto unwind;
 	}
 
@@ -1172,7 +1175,7 @@ static int dpcm_be_dai_shutdown(struct snd_soc_pcm_runtime *fe, int stream)
 			continue;
 
 		if (be->dpcm[stream].users == 0)
-			dev_err(be->dev, "no users %s at close - state %d\n",
+			dev_err(be->dev, "ASoC: no users %s at close - state %d\n",
 				stream ? "capture" : "playback",
 				be->dpcm[stream].state);
 
@@ -1183,7 +1186,7 @@ static int dpcm_be_dai_shutdown(struct snd_soc_pcm_runtime *fe, int stream)
 		    (be->dpcm[stream].state != SND_SOC_DPCM_STATE_OPEN))
 			continue;
 
-		dev_dbg(be->dev, "dpcm: close BE %s\n",
+		dev_dbg(be->dev, "ASoC: close BE %s\n",
 			dpcm->fe->dai_link->name);
 
 		soc_pcm_close(be_substream);
@@ -1204,7 +1207,7 @@ static int dpcm_fe_dai_shutdown(struct snd_pcm_substream *substream)
 	/* shutdown the BEs */
 	dpcm_be_dai_shutdown(fe, substream->stream);
 
-	dev_dbg(fe->dev, "dpcm: close FE %s\n", fe->dai_link->name);
+	dev_dbg(fe->dev, "ASoC: close FE %s\n", fe->dai_link->name);
 
 	/* now shutdown the frontend */
 	soc_pcm_close(substream);
@@ -1243,7 +1246,7 @@ static int dpcm_be_dai_hw_free(struct snd_soc_pcm_runtime *fe, int stream)
 		    (be->dpcm[stream].state != SND_SOC_DPCM_STATE_STOP))
 			continue;
 
-		dev_dbg(be->dev, "dpcm: hw_free BE %s\n",
+		dev_dbg(be->dev, "ASoC: hw_free BE %s\n",
 			dpcm->fe->dai_link->name);
 
 		soc_pcm_hw_free(be_substream);
@@ -1262,12 +1265,12 @@ static int dpcm_fe_dai_hw_free(struct snd_pcm_substream *substream)
 	mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
 	fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
 
-	dev_dbg(fe->dev, "dpcm: hw_free FE %s\n", fe->dai_link->name);
+	dev_dbg(fe->dev, "ASoC: hw_free FE %s\n", fe->dai_link->name);
 
 	/* call hw_free on the frontend */
 	err = soc_pcm_hw_free(substream);
 	if (err < 0)
-		dev_err(fe->dev,"dpcm: hw_free FE %s failed\n",
+		dev_err(fe->dev,"ASoC: hw_free FE %s failed\n",
 			fe->dai_link->name);
 
 	/* only hw_params backends that are either sinks or sources
@@ -1305,7 +1308,7 @@ static int dpcm_be_dai_hw_params(struct snd_soc_pcm_runtime *fe, int stream)
 		    (be->dpcm[stream].state != SND_SOC_DPCM_STATE_HW_FREE))
 			continue;
 
-		dev_dbg(be->dev, "dpcm: hw_params BE %s\n",
+		dev_dbg(be->dev, "ASoC: hw_params BE %s\n",
 			dpcm->fe->dai_link->name);
 
 		/* copy params for each dpcm */
@@ -1318,7 +1321,7 @@ static int dpcm_be_dai_hw_params(struct snd_soc_pcm_runtime *fe, int stream)
 					&dpcm->hw_params);
 			if (ret < 0) {
 				dev_err(be->dev,
-					"dpcm: hw_params BE fixup failed %d\n",
+					"ASoC: hw_params BE fixup failed %d\n",
 					ret);
 				goto unwind;
 			}
@@ -1327,7 +1330,7 @@ static int dpcm_be_dai_hw_params(struct snd_soc_pcm_runtime *fe, int stream)
 		ret = soc_pcm_hw_params(be_substream, &dpcm->hw_params);
 		if (ret < 0) {
 			dev_err(dpcm->be->dev,
-				"dpcm: hw_params BE failed %d\n", ret);
+				"ASoC: hw_params BE failed %d\n", ret);
 			goto unwind;
 		}
 
@@ -1374,18 +1377,18 @@ static int dpcm_fe_dai_hw_params(struct snd_pcm_substream *substream,
 			sizeof(struct snd_pcm_hw_params));
 	ret = dpcm_be_dai_hw_params(fe, substream->stream);
 	if (ret < 0) {
-		dev_err(fe->dev,"dpcm: hw_params BE failed %d\n", ret);
+		dev_err(fe->dev,"ASoC: hw_params BE failed %d\n", ret);
 		goto out;
 	}
 
-	dev_dbg(fe->dev, "dpcm: hw_params FE %s rate %d chan %x fmt %d\n",
+	dev_dbg(fe->dev, "ASoC: hw_params FE %s rate %d chan %x fmt %d\n",
 			fe->dai_link->name, params_rate(params),
 			params_channels(params), params_format(params));
 
 	/* call hw_params on the frontend */
 	ret = soc_pcm_hw_params(substream, params);
 	if (ret < 0) {
-		dev_err(fe->dev,"dpcm: hw_params FE failed %d\n", ret);
+		dev_err(fe->dev,"ASoC: hw_params FE failed %d\n", ret);
 		dpcm_be_dai_hw_free(fe, stream);
 	 } else
 		fe->dpcm[stream].state = SND_SOC_DPCM_STATE_HW_PARAMS;
@@ -1401,12 +1404,12 @@ static int dpcm_do_trigger(struct snd_soc_dpcm *dpcm,
 {
 	int ret;
 
-	dev_dbg(dpcm->be->dev, "dpcm: trigger BE %s cmd %d\n",
+	dev_dbg(dpcm->be->dev, "ASoC: trigger BE %s cmd %d\n",
 			dpcm->fe->dai_link->name, cmd);
 
 	ret = soc_pcm_trigger(substream, cmd);
 	if (ret < 0)
-		dev_err(dpcm->be->dev,"dpcm: trigger BE failed %d\n", ret);
+		dev_err(dpcm->be->dev,"ASoC: trigger BE failed %d\n", ret);
 
 	return ret;
 }
@@ -1517,12 +1520,12 @@ static int dpcm_fe_dai_trigger(struct snd_pcm_substream *substream, int cmd)
 	case SND_SOC_DPCM_TRIGGER_PRE:
 		/* call trigger on the frontend before the backend. */
 
-		dev_dbg(fe->dev, "dpcm: pre trigger FE %s cmd %d\n",
+		dev_dbg(fe->dev, "ASoC: pre trigger FE %s cmd %d\n",
 				fe->dai_link->name, cmd);
 
 		ret = soc_pcm_trigger(substream, cmd);
 		if (ret < 0) {
-			dev_err(fe->dev,"dpcm: trigger FE failed %d\n", ret);
+			dev_err(fe->dev,"ASoC: trigger FE failed %d\n", ret);
 			goto out;
 		}
 
@@ -1533,11 +1536,11 @@ static int dpcm_fe_dai_trigger(struct snd_pcm_substream *substream, int cmd)
 
 		ret = dpcm_be_dai_trigger(fe, substream->stream, cmd);
 		if (ret < 0) {
-			dev_err(fe->dev,"dpcm: trigger FE failed %d\n", ret);
+			dev_err(fe->dev,"ASoC: trigger FE failed %d\n", ret);
 			goto out;
 		}
 
-		dev_dbg(fe->dev, "dpcm: post trigger FE %s cmd %d\n",
+		dev_dbg(fe->dev, "ASoC: post trigger FE %s cmd %d\n",
 				fe->dai_link->name, cmd);
 
 		ret = soc_pcm_trigger(substream, cmd);
@@ -1545,17 +1548,17 @@ static int dpcm_fe_dai_trigger(struct snd_pcm_substream *substream, int cmd)
 	case SND_SOC_DPCM_TRIGGER_BESPOKE:
 		/* bespoke trigger() - handles both FE and BEs */
 
-		dev_dbg(fe->dev, "dpcm: bespoke trigger FE %s cmd %d\n",
+		dev_dbg(fe->dev, "ASoC: bespoke trigger FE %s cmd %d\n",
 				fe->dai_link->name, cmd);
 
 		ret = soc_pcm_bespoke_trigger(substream, cmd);
 		if (ret < 0) {
-			dev_err(fe->dev,"dpcm: trigger FE failed %d\n", ret);
+			dev_err(fe->dev,"ASoC: trigger FE failed %d\n", ret);
 			goto out;
 		}
 		break;
 	default:
-		dev_err(fe->dev, "dpcm: invalid trigger cmd %d for %s\n", cmd,
+		dev_err(fe->dev, "ASoC: invalid trigger cmd %d for %s\n", cmd,
 				fe->dai_link->name);
 		ret = -EINVAL;
 		goto out;
@@ -1598,12 +1601,12 @@ static int dpcm_be_dai_prepare(struct snd_soc_pcm_runtime *fe, int stream)
 		    (be->dpcm[stream].state != SND_SOC_DPCM_STATE_STOP))
 			continue;
 
-		dev_dbg(be->dev, "dpcm: prepare BE %s\n",
+		dev_dbg(be->dev, "ASoC: prepare BE %s\n",
 			dpcm->fe->dai_link->name);
 
 		ret = soc_pcm_prepare(be_substream);
 		if (ret < 0) {
-			dev_err(be->dev, "dpcm: backend prepare failed %d\n",
+			dev_err(be->dev, "ASoC: backend prepare failed %d\n",
 				ret);
 			break;
 		}
@@ -1620,13 +1623,13 @@ static int dpcm_fe_dai_prepare(struct snd_pcm_substream *substream)
 
 	mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
 
-	dev_dbg(fe->dev, "dpcm: prepare FE %s\n", fe->dai_link->name);
+	dev_dbg(fe->dev, "ASoC: prepare FE %s\n", fe->dai_link->name);
 
 	fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
 
 	/* there is no point preparing this FE if there are no BEs */
 	if (list_empty(&fe->dpcm[stream].be_clients)) {
-		dev_err(fe->dev, "dpcm: no backend DAIs enabled for %s\n",
+		dev_err(fe->dev, "ASoC: no backend DAIs enabled for %s\n",
 				fe->dai_link->name);
 		ret = -EINVAL;
 		goto out;
@@ -1639,7 +1642,7 @@ static int dpcm_fe_dai_prepare(struct snd_pcm_substream *substream)
 	/* call prepare on the frontend */
 	ret = soc_pcm_prepare(substream);
 	if (ret < 0) {
-		dev_err(fe->dev,"dpcm: prepare FE %s failed\n",
+		dev_err(fe->dev,"ASoC: prepare FE %s failed\n",
 			fe->dai_link->name);
 		goto out;
 	}
@@ -1673,33 +1676,33 @@ static int dpcm_run_update_shutdown(struct snd_soc_pcm_runtime *fe, int stream)
 	enum snd_soc_dpcm_trigger trigger = fe->dai_link->trigger[stream];
 	int err;
 
-	dev_dbg(fe->dev, "runtime %s close on FE %s\n",
+	dev_dbg(fe->dev, "ASoC: runtime %s close on FE %s\n",
 			stream ? "capture" : "playback", fe->dai_link->name);
 
 	if (trigger == SND_SOC_DPCM_TRIGGER_BESPOKE) {
 		/* call bespoke trigger - FE takes care of all BE triggers */
-		dev_dbg(fe->dev, "dpcm: bespoke trigger FE %s cmd stop\n",
+		dev_dbg(fe->dev, "ASoC: bespoke trigger FE %s cmd stop\n",
 				fe->dai_link->name);
 
 		err = soc_pcm_bespoke_trigger(substream, SNDRV_PCM_TRIGGER_STOP);
 		if (err < 0)
-			dev_err(fe->dev,"dpcm: trigger FE failed %d\n", err);
+			dev_err(fe->dev,"ASoC: trigger FE failed %d\n", err);
 	} else {
-		dev_dbg(fe->dev, "dpcm: trigger FE %s cmd stop\n",
+		dev_dbg(fe->dev, "ASoC: trigger FE %s cmd stop\n",
 			fe->dai_link->name);
 
 		err = dpcm_be_dai_trigger(fe, stream, SNDRV_PCM_TRIGGER_STOP);
 		if (err < 0)
-			dev_err(fe->dev,"dpcm: trigger FE failed %d\n", err);
+			dev_err(fe->dev,"ASoC: trigger FE failed %d\n", err);
 	}
 
 	err = dpcm_be_dai_hw_free(fe, stream);
 	if (err < 0)
-		dev_err(fe->dev,"dpcm: hw_free FE failed %d\n", err);
+		dev_err(fe->dev,"ASoC: hw_free FE failed %d\n", err);
 
 	err = dpcm_be_dai_shutdown(fe, stream);
 	if (err < 0)
-		dev_err(fe->dev,"dpcm: shutdown FE failed %d\n", err);
+		dev_err(fe->dev,"ASoC: shutdown FE failed %d\n", err);
 
 	/* run the stream event for each BE */
 	dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_NOP);
@@ -1715,7 +1718,7 @@ static int dpcm_run_update_startup(struct snd_soc_pcm_runtime *fe, int stream)
 	enum snd_soc_dpcm_trigger trigger = fe->dai_link->trigger[stream];
 	int ret;
 
-	dev_dbg(fe->dev, "runtime %s open on FE %s\n",
+	dev_dbg(fe->dev, "ASoC: runtime %s open on FE %s\n",
 			stream ? "capture" : "playback", fe->dai_link->name);
 
 	/* Only start the BE if the FE is ready */
@@ -1761,22 +1764,22 @@ static int dpcm_run_update_startup(struct snd_soc_pcm_runtime *fe, int stream)
 
 	if (trigger == SND_SOC_DPCM_TRIGGER_BESPOKE) {
 		/* call trigger on the frontend - FE takes care of all BE triggers */
-		dev_dbg(fe->dev, "dpcm: bespoke trigger FE %s cmd start\n",
+		dev_dbg(fe->dev, "ASoC: bespoke trigger FE %s cmd start\n",
 				fe->dai_link->name);
 
 		ret = soc_pcm_bespoke_trigger(substream, SNDRV_PCM_TRIGGER_START);
 		if (ret < 0) {
-			dev_err(fe->dev,"dpcm: bespoke trigger FE failed %d\n", ret);
+			dev_err(fe->dev,"ASoC: bespoke trigger FE failed %d\n", ret);
 			goto hw_free;
 		}
 	} else {
-		dev_dbg(fe->dev, "dpcm: trigger FE %s cmd start\n",
+		dev_dbg(fe->dev, "ASoC: trigger FE %s cmd start\n",
 			fe->dai_link->name);
 
 		ret = dpcm_be_dai_trigger(fe, stream,
 					SNDRV_PCM_TRIGGER_START);
 		if (ret < 0) {
-			dev_err(fe->dev,"dpcm: trigger FE failed %d\n", ret);
+			dev_err(fe->dev,"ASoC: trigger FE failed %d\n", ret);
 			goto hw_free;
 		}
 	}
@@ -1805,7 +1808,7 @@ static int dpcm_run_new_update(struct snd_soc_pcm_runtime *fe, int stream)
 	fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_BE;
 	ret = dpcm_run_update_startup(fe, stream);
 	if (ret < 0)
-		dev_err(fe->dev, "failed to startup some BEs\n");
+		dev_err(fe->dev, "ASoC: failed to startup some BEs\n");
 	fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
 
 	return ret;
@@ -1818,7 +1821,7 @@ static int dpcm_run_old_update(struct snd_soc_pcm_runtime *fe, int stream)
 	fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_BE;
 	ret = dpcm_run_update_shutdown(fe, stream);
 	if (ret < 0)
-		dev_err(fe->dev, "failed to shutdown some BEs\n");
+		dev_err(fe->dev, "ASoC: failed to shutdown some BEs\n");
 	fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
 
 	return ret;
@@ -1853,7 +1856,7 @@ int soc_dpcm_runtime_update(struct snd_soc_dapm_widget *widget)
 			continue;
 
 		/* DAPM sync will call this to update DSP paths */
-		dev_dbg(fe->dev, "DPCM runtime update for FE %s\n",
+		dev_dbg(fe->dev, "ASoC: DPCM runtime update for FE %s\n",
 			fe->dai_link->name);
 
 		/* skip if FE doesn't have playback capability */
@@ -1862,7 +1865,7 @@ int soc_dpcm_runtime_update(struct snd_soc_dapm_widget *widget)
 
 		paths = dpcm_path_get(fe, SNDRV_PCM_STREAM_PLAYBACK, &list);
 		if (paths < 0) {
-			dev_warn(fe->dev, "%s no valid %s path\n",
+			dev_warn(fe->dev, "ASoC: %s no valid %s path\n",
 					fe->dai_link->name,  "playback");
 			mutex_unlock(&card->mutex);
 			return paths;
@@ -1891,7 +1894,7 @@ capture:
 
 		paths = dpcm_path_get(fe, SNDRV_PCM_STREAM_CAPTURE, &list);
 		if (paths < 0) {
-			dev_warn(fe->dev, "%s no valid %s path\n",
+			dev_warn(fe->dev, "ASoC: %s no valid %s path\n",
 					fe->dai_link->name,  "capture");
 			mutex_unlock(&card->mutex);
 			return paths;
@@ -1934,7 +1937,7 @@ int soc_dpcm_be_digital_mute(struct snd_soc_pcm_runtime *fe, int mute)
 		if (be->dai_link->ignore_suspend)
 			continue;
 
-		dev_dbg(be->dev, "BE digital mute %s\n", be->dai_link->name);
+		dev_dbg(be->dev, "ASoC: BE digital mute %s\n", be->dai_link->name);
 
 		if (drv->ops->digital_mute && dai->playback_active)
 				drv->ops->digital_mute(dai, mute);
@@ -1955,7 +1958,7 @@ static int dpcm_fe_dai_open(struct snd_pcm_substream *fe_substream)
 	fe->dpcm[stream].runtime = fe_substream->runtime;
 
 	if (dpcm_path_get(fe, stream, &list) <= 0) {
-		dev_dbg(fe->dev, "asoc: %s no valid %s route\n",
+		dev_dbg(fe->dev, "ASoC: %s no valid %s route\n",
 			fe->dai_link->name, stream ? "capture" : "playback");
 	}
 
@@ -2039,11 +2042,11 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
 			capture, &pcm);
 	}
 	if (ret < 0) {
-		dev_err(rtd->card->dev, "can't create pcm for %s\n",
+		dev_err(rtd->card->dev, "ASoC: can't create pcm for %s\n",
 			rtd->dai_link->name);
 		return ret;
 	}
-	dev_dbg(rtd->card->dev, "registered pcm #%d %s\n",num, new_name);
+	dev_dbg(rtd->card->dev, "ASoC: registered pcm #%d %s\n",num, new_name);
 
 	/* DAPM dai link stream work */
 	INIT_DELAYED_WORK(&rtd->delayed_work, close_delayed_work);
@@ -2097,7 +2100,9 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
 	if (platform->driver->pcm_new) {
 		ret = platform->driver->pcm_new(rtd);
 		if (ret < 0) {
-			dev_err(platform->dev, "pcm constructor failed\n");
+			dev_err(platform->dev,
+				"ASoC: pcm constructor failed: %d\n",
+				ret);
 			return ret;
 		}
 	}