diff --git a/include/sound/soc.h b/include/sound/soc.h
index f1366ebca9c5..f90f605b3971 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -912,7 +912,7 @@ struct snd_soc_dai_link {
 	 * only for codec to codec links, or systems using device tree.
 	 */
 	const char *cpu_name;
-	const struct device_node *cpu_of_node;
+	struct device_node *cpu_of_node;
 	/*
 	 * You MAY specify the DAI name of the CPU DAI. If this information is
 	 * omitted, the CPU-side DAI is matched using .cpu_name/.cpu_of_node
@@ -924,7 +924,7 @@ struct snd_soc_dai_link {
 	 * DT/OF node, but not both.
 	 */
 	const char *codec_name;
-	const struct device_node *codec_of_node;
+	struct device_node *codec_of_node;
 	/* You MUST specify the DAI name within the codec */
 	const char *codec_dai_name;
 
@@ -937,7 +937,7 @@ struct snd_soc_dai_link {
 	 * do not need a platform.
 	 */
 	const char *platform_name;
-	const struct device_node *platform_of_node;
+	struct device_node *platform_of_node;
 	int be_id;	/* optional ID for machine driver BE identification */
 
 	const struct snd_soc_pcm_stream *params;
diff --git a/include/trace/events/asoc.h b/include/trace/events/asoc.h
index 0194a641e4e2..b04ee7e5a466 100644
--- a/include/trace/events/asoc.h
+++ b/include/trace/events/asoc.h
@@ -175,7 +175,7 @@ TRACE_EVENT(snd_soc_dapm_output_path,
 		__entry->path_sink = (long)path->sink;
 	),
 
-	TP_printk("%c%s -> %s -> %s\n",
+	TP_printk("%c%s -> %s -> %s",
 		(int) __entry->path_sink &&
 		(int) __entry->path_connect ? '*' : ' ',
 		__get_str(wname), __get_str(pname), __get_str(psname))
@@ -204,7 +204,7 @@ TRACE_EVENT(snd_soc_dapm_input_path,
 		__entry->path_source = (long)path->source;
 	),
 
-	TP_printk("%c%s <- %s <- %s\n",
+	TP_printk("%c%s <- %s <- %s",
 		(int) __entry->path_source &&
 		(int) __entry->path_connect ? '*' : ' ',
 		__get_str(wname), __get_str(pname), __get_str(psname))
@@ -226,7 +226,7 @@ TRACE_EVENT(snd_soc_dapm_connected,
 		__entry->stream = stream;
 	),
 
-	TP_printk("%s: found %d paths\n",
+	TP_printk("%s: found %d paths",
 		__entry->stream ? "capture" : "playback", __entry->paths)
 );
 
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index c75a27ce7b97..57de6a7d7ffa 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1956,19 +1956,14 @@ static struct platform_driver soc_driver = {
 int snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
 	struct snd_ac97_bus_ops *ops, int num)
 {
-	mutex_lock(&codec->mutex);
-
 	codec->ac97 = kzalloc(sizeof(struct snd_ac97), GFP_KERNEL);
-	if (codec->ac97 == NULL) {
-		mutex_unlock(&codec->mutex);
+	if (codec->ac97 == NULL)
 		return -ENOMEM;
-	}
 
 	codec->ac97->bus = kzalloc(sizeof(struct snd_ac97_bus), GFP_KERNEL);
 	if (codec->ac97->bus == NULL) {
 		kfree(codec->ac97);
 		codec->ac97 = NULL;
-		mutex_unlock(&codec->mutex);
 		return -ENOMEM;
 	}
 
@@ -1981,7 +1976,6 @@ int snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
 	 */
 	codec->ac97_created = 1;
 
-	mutex_unlock(&codec->mutex);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(snd_soc_new_ac97_codec);
@@ -2151,7 +2145,6 @@ EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops_of_reset);
  */
 void snd_soc_free_ac97_codec(struct snd_soc_codec *codec)
 {
-	mutex_lock(&codec->mutex);
 #ifdef CONFIG_SND_SOC_AC97_BUS
 	soc_unregister_ac97_codec(codec);
 #endif
@@ -2159,7 +2152,6 @@ void snd_soc_free_ac97_codec(struct snd_soc_codec *codec)
 	kfree(codec->ac97);
 	codec->ac97 = NULL;
 	codec->ac97_created = 0;
-	mutex_unlock(&codec->mutex);
 }
 EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec);
 
@@ -2876,9 +2868,10 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
 	unsigned int val, val_mask;
 	int ret;
 
-	val = ((ucontrol->value.integer.value[0] + min) & mask);
 	if (invert)
-		val = max - val;
+		val = (max - ucontrol->value.integer.value[0]) & mask;
+	else
+		val = ((ucontrol->value.integer.value[0] + min) & mask);
 	val_mask = mask << shift;
 	val = val << shift;
 
@@ -2887,9 +2880,10 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
 		return ret;
 
 	if (snd_soc_volsw_is_stereo(mc)) {
-		val = ((ucontrol->value.integer.value[1] + min) & mask);
 		if (invert)
-			val = max - val;
+			val = (max - ucontrol->value.integer.value[1]) & mask;
+		else
+			val = ((ucontrol->value.integer.value[1] + min) & mask);
 		val_mask = mask << shift;
 		val = val << shift;
 
@@ -2934,8 +2928,9 @@ int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
 	if (invert)
 		ucontrol->value.integer.value[0] =
 			max - ucontrol->value.integer.value[0];
-	ucontrol->value.integer.value[0] =
-		ucontrol->value.integer.value[0] - min;
+	else
+		ucontrol->value.integer.value[0] =
+			ucontrol->value.integer.value[0] - min;
 
 	if (snd_soc_volsw_is_stereo(mc)) {
 		ret = snd_soc_component_read(component, rreg, &val);
@@ -2946,8 +2941,9 @@ int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
 		if (invert)
 			ucontrol->value.integer.value[1] =
 				max - ucontrol->value.integer.value[1];
-		ucontrol->value.integer.value[1] =
-			ucontrol->value.integer.value[1] - min;
+		else
+			ucontrol->value.integer.value[1] =
+				ucontrol->value.integer.value[1] - min;
 	}
 
 	return 0;