diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index fce61a0..77af008 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -970,6 +970,150 @@ static struct snd_pcm_ops rsnd_pcm_ops = {
 };
 
 /*
+ *		snd_kcontrol
+ */
+#define kcontrol_to_cfg(kctrl) ((struct rsnd_kctrl_cfg *)kctrl->private_value)
+static int rsnd_kctrl_info(struct snd_kcontrol *kctrl,
+			   struct snd_ctl_elem_info *uinfo)
+{
+	struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl);
+
+	if (cfg->texts) {
+		uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+		uinfo->count = cfg->size;
+		uinfo->value.enumerated.items = cfg->max;
+		if (uinfo->value.enumerated.item >= cfg->max)
+			uinfo->value.enumerated.item = cfg->max - 1;
+		strlcpy(uinfo->value.enumerated.name,
+			cfg->texts[uinfo->value.enumerated.item],
+			sizeof(uinfo->value.enumerated.name));
+	} else {
+		uinfo->count = cfg->size;
+		uinfo->value.integer.min = 0;
+		uinfo->value.integer.max = cfg->max;
+		uinfo->type = (cfg->max == 1) ?
+			SNDRV_CTL_ELEM_TYPE_BOOLEAN :
+			SNDRV_CTL_ELEM_TYPE_INTEGER;
+	}
+
+	return 0;
+}
+
+static int rsnd_kctrl_get(struct snd_kcontrol *kctrl,
+			  struct snd_ctl_elem_value *uc)
+{
+	struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl);
+	int i;
+
+	for (i = 0; i < cfg->size; i++)
+		if (cfg->texts)
+			uc->value.enumerated.item[i] = cfg->val[i];
+		else
+			uc->value.integer.value[i] = cfg->val[i];
+
+	return 0;
+}
+
+static int rsnd_kctrl_put(struct snd_kcontrol *kctrl,
+			  struct snd_ctl_elem_value *uc)
+{
+	struct rsnd_mod *mod = snd_kcontrol_chip(kctrl);
+	struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl);
+	int i, change = 0;
+
+	for (i = 0; i < cfg->size; i++) {
+		if (cfg->texts) {
+			change |= (uc->value.enumerated.item[i] != cfg->val[i]);
+			cfg->val[i] = uc->value.enumerated.item[i];
+		} else {
+			change |= (uc->value.integer.value[i] != cfg->val[i]);
+			cfg->val[i] = uc->value.integer.value[i];
+		}
+	}
+
+	if (change)
+		cfg->update(mod);
+
+	return change;
+}
+
+static int __rsnd_kctrl_new(struct rsnd_mod *mod,
+			    struct rsnd_dai *rdai,
+			    struct snd_soc_pcm_runtime *rtd,
+			    const unsigned char *name,
+			    struct rsnd_kctrl_cfg *cfg,
+			    void (*update)(struct rsnd_mod *mod))
+{
+	struct snd_card *card = rtd->card->snd_card;
+	struct snd_kcontrol *kctrl;
+	struct snd_kcontrol_new knew = {
+		.iface		= SNDRV_CTL_ELEM_IFACE_MIXER,
+		.name		= name,
+		.info		= rsnd_kctrl_info,
+		.get		= rsnd_kctrl_get,
+		.put		= rsnd_kctrl_put,
+		.private_value	= (unsigned long)cfg,
+	};
+	int ret;
+
+	kctrl = snd_ctl_new1(&knew, mod);
+	if (!kctrl)
+		return -ENOMEM;
+
+	ret = snd_ctl_add(card, kctrl);
+	if (ret < 0)
+		return ret;
+
+	cfg->update = update;
+
+	return 0;
+}
+
+int rsnd_kctrl_new_m(struct rsnd_mod *mod,
+		     struct rsnd_dai *rdai,
+		     struct snd_soc_pcm_runtime *rtd,
+		     const unsigned char *name,
+		     void (*update)(struct rsnd_mod *mod),
+		     struct rsnd_kctrl_cfg_m *_cfg,
+		     u32 max)
+{
+	_cfg->cfg.max	= max;
+	_cfg->cfg.size	= RSND_DVC_CHANNELS;
+	_cfg->cfg.val	= _cfg->val;
+	return __rsnd_kctrl_new(mod, rdai, rtd, name, &_cfg->cfg, update);
+}
+
+int rsnd_kctrl_new_s(struct rsnd_mod *mod,
+		     struct rsnd_dai *rdai,
+		     struct snd_soc_pcm_runtime *rtd,
+		     const unsigned char *name,
+		     void (*update)(struct rsnd_mod *mod),
+		     struct rsnd_kctrl_cfg_s *_cfg,
+		     u32 max)
+{
+	_cfg->cfg.max	= max;
+	_cfg->cfg.size	= 1;
+	_cfg->cfg.val	= &_cfg->val;
+	return __rsnd_kctrl_new(mod, rdai, rtd, name, &_cfg->cfg, update);
+}
+
+int rsnd_kctrl_new_e(struct rsnd_mod *mod,
+		     struct rsnd_dai *rdai,
+		     struct snd_soc_pcm_runtime *rtd,
+		     const unsigned char *name,
+		     struct rsnd_kctrl_cfg_s *_cfg,
+		     void (*update)(struct rsnd_mod *mod),
+		     const char * const *texts,
+		     u32 max)
+{
+	_cfg->cfg.max	= max;
+	_cfg->cfg.size	= 1;
+	_cfg->cfg.val	= &_cfg->val;
+	_cfg->cfg.texts	= texts;
+	return __rsnd_kctrl_new(mod, rdai, rtd, name, &_cfg->cfg, update);
+}
+
+/*
  *		snd_soc_platform
  */
 
diff --git a/sound/soc/sh/rcar/dvc.c b/sound/soc/sh/rcar/dvc.c
index e2c8473..5380a48 100644
--- a/sound/soc/sh/rcar/dvc.c
+++ b/sound/soc/sh/rcar/dvc.c
@@ -11,36 +11,18 @@
 #include "rsnd.h"
 
 #define RSND_DVC_NAME_SIZE	16
-#define RSND_DVC_CHANNELS	2
 
 #define DVC_NAME "dvc"
 
-struct rsnd_dvc_cfg {
-	unsigned int max;
-	unsigned int size;
-	u32 *val;
-	const char * const *texts;
-};
-
-struct rsnd_dvc_cfg_m {
-	struct rsnd_dvc_cfg cfg;
-	u32 val[RSND_DVC_CHANNELS];
-};
-
-struct rsnd_dvc_cfg_s {
-	struct rsnd_dvc_cfg cfg;
-	u32 val;
-};
-
 struct rsnd_dvc {
 	struct rsnd_dvc_platform_info *info; /* rcar_snd.h */
 	struct rsnd_mod mod;
 	struct clk *clk;
-	struct rsnd_dvc_cfg_m volume;
-	struct rsnd_dvc_cfg_m mute;
-	struct rsnd_dvc_cfg_s ren;	/* Ramp Enable */
-	struct rsnd_dvc_cfg_s rup;	/* Ramp Rate Up */
-	struct rsnd_dvc_cfg_s rdown;	/* Ramp Rate Down */
+	struct rsnd_kctrl_cfg_m volume;
+	struct rsnd_kctrl_cfg_m mute;
+	struct rsnd_kctrl_cfg_s ren;	/* Ramp Enable */
+	struct rsnd_kctrl_cfg_s rup;	/* Ramp Rate Up */
+	struct rsnd_kctrl_cfg_s rdown;	/* Ramp Rate Down */
 };
 
 #define rsnd_mod_to_dvc(_mod)	\
@@ -222,140 +204,6 @@ static int rsnd_dvc_stop(struct rsnd_mod *mod,
 	return 0;
 }
 
-static int rsnd_dvc_volume_info(struct snd_kcontrol *kctrl,
-			       struct snd_ctl_elem_info *uinfo)
-{
-	struct rsnd_dvc_cfg *cfg = (struct rsnd_dvc_cfg *)kctrl->private_value;
-
-	if (cfg->texts) {
-		uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
-		uinfo->count = cfg->size;
-		uinfo->value.enumerated.items = cfg->max;
-		if (uinfo->value.enumerated.item >= cfg->max)
-			uinfo->value.enumerated.item = cfg->max - 1;
-		strlcpy(uinfo->value.enumerated.name,
-			cfg->texts[uinfo->value.enumerated.item],
-			sizeof(uinfo->value.enumerated.name));
-	} else {
-		uinfo->count = cfg->size;
-		uinfo->value.integer.min = 0;
-		uinfo->value.integer.max = cfg->max;
-		uinfo->type = (cfg->max == 1) ?
-			SNDRV_CTL_ELEM_TYPE_BOOLEAN :
-			SNDRV_CTL_ELEM_TYPE_INTEGER;
-	}
-
-	return 0;
-}
-
-static int rsnd_dvc_volume_get(struct snd_kcontrol *kctrl,
-			      struct snd_ctl_elem_value *ucontrol)
-{
-	struct rsnd_dvc_cfg *cfg = (struct rsnd_dvc_cfg *)kctrl->private_value;
-	int i;
-
-	for (i = 0; i < cfg->size; i++)
-		if (cfg->texts)
-			ucontrol->value.enumerated.item[i] = cfg->val[i];
-		else
-			ucontrol->value.integer.value[i] = cfg->val[i];
-
-	return 0;
-}
-
-static int rsnd_dvc_volume_put(struct snd_kcontrol *kctrl,
-			      struct snd_ctl_elem_value *ucontrol)
-{
-	struct rsnd_mod *mod = snd_kcontrol_chip(kctrl);
-	struct rsnd_dvc_cfg *cfg = (struct rsnd_dvc_cfg *)kctrl->private_value;
-	int i, change = 0;
-
-	for (i = 0; i < cfg->size; i++) {
-		if (cfg->texts) {
-			change |= (ucontrol->value.enumerated.item[i] != cfg->val[i]);
-			cfg->val[i] = ucontrol->value.enumerated.item[i];
-		} else {
-			change |= (ucontrol->value.integer.value[i] != cfg->val[i]);
-			cfg->val[i] = ucontrol->value.integer.value[i];
-		}
-	}
-
-	if (change)
-		rsnd_dvc_volume_update(mod);
-
-	return change;
-}
-
-static int __rsnd_dvc_pcm_new(struct rsnd_mod *mod,
-			      struct rsnd_dai *rdai,
-			      struct snd_soc_pcm_runtime *rtd,
-			      const unsigned char *name,
-			      struct rsnd_dvc_cfg *private)
-{
-	struct snd_card *card = rtd->card->snd_card;
-	struct snd_kcontrol *kctrl;
-	struct snd_kcontrol_new knew = {
-		.iface		= SNDRV_CTL_ELEM_IFACE_MIXER,
-		.name		= name,
-		.info		= rsnd_dvc_volume_info,
-		.get		= rsnd_dvc_volume_get,
-		.put		= rsnd_dvc_volume_put,
-		.private_value	= (unsigned long)private,
-	};
-	int ret;
-
-	kctrl = snd_ctl_new1(&knew, mod);
-	if (!kctrl)
-		return -ENOMEM;
-
-	ret = snd_ctl_add(card, kctrl);
-	if (ret < 0)
-		return ret;
-
-	return 0;
-}
-
-static int _rsnd_dvc_pcm_new_m(struct rsnd_mod *mod,
-			       struct rsnd_dai *rdai,
-			       struct snd_soc_pcm_runtime *rtd,
-			       const unsigned char *name,
-			       struct rsnd_dvc_cfg_m *private,
-			       u32 max)
-{
-	private->cfg.max	= max;
-	private->cfg.size	= RSND_DVC_CHANNELS;
-	private->cfg.val	= private->val;
-	return __rsnd_dvc_pcm_new(mod, rdai, rtd, name, &private->cfg);
-}
-
-static int _rsnd_dvc_pcm_new_s(struct rsnd_mod *mod,
-			       struct rsnd_dai *rdai,
-			       struct snd_soc_pcm_runtime *rtd,
-			       const unsigned char *name,
-			       struct rsnd_dvc_cfg_s *private,
-			       u32 max)
-{
-	private->cfg.max	= max;
-	private->cfg.size	= 1;
-	private->cfg.val	= &private->val;
-	return __rsnd_dvc_pcm_new(mod, rdai, rtd, name, &private->cfg);
-}
-
-static int _rsnd_dvc_pcm_new_e(struct rsnd_mod *mod,
-			       struct rsnd_dai *rdai,
-			       struct snd_soc_pcm_runtime *rtd,
-			       const unsigned char *name,
-			       struct rsnd_dvc_cfg_s *private,
-			       const char * const *texts,
-			       u32 max)
-{
-	private->cfg.max	= max;
-	private->cfg.size	= 1;
-	private->cfg.val	= &private->val;
-	private->cfg.texts	= texts;
-	return __rsnd_dvc_pcm_new(mod, rdai, rtd, name, &private->cfg);
-}
-
 static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
 			    struct rsnd_dai *rdai,
 			    struct snd_soc_pcm_runtime *rtd)
@@ -365,41 +213,46 @@ static int rsnd_dvc_pcm_new(struct rsnd_mod *mod,
 	int ret;
 
 	/* Volume */
-	ret = _rsnd_dvc_pcm_new_m(mod, rdai, rtd,
+	ret = rsnd_kctrl_new_m(mod, rdai, rtd,
 			rsnd_dai_is_play(rdai, io) ?
 			"DVC Out Playback Volume" : "DVC In Capture Volume",
+			rsnd_dvc_volume_update,
 			&dvc->volume, 0x00800000 - 1);
 	if (ret < 0)
 		return ret;
 
 	/* Mute */
-	ret = _rsnd_dvc_pcm_new_m(mod, rdai, rtd,
+	ret = rsnd_kctrl_new_m(mod, rdai, rtd,
 			rsnd_dai_is_play(rdai, io) ?
 			"DVC Out Mute Switch" : "DVC In Mute Switch",
+			rsnd_dvc_volume_update,
 			&dvc->mute, 1);
 	if (ret < 0)
 		return ret;
 
 	/* Ramp */
-	ret = _rsnd_dvc_pcm_new_s(mod, rdai, rtd,
+	ret = rsnd_kctrl_new_s(mod, rdai, rtd,
 			rsnd_dai_is_play(rdai, io) ?
 			"DVC Out Ramp Switch" : "DVC In Ramp Switch",
+			rsnd_dvc_volume_update,
 			&dvc->ren, 1);
 	if (ret < 0)
 		return ret;
 
-	ret = _rsnd_dvc_pcm_new_e(mod, rdai, rtd,
+	ret = rsnd_kctrl_new_e(mod, rdai, rtd,
 			rsnd_dai_is_play(rdai, io) ?
 			"DVC Out Ramp Up Rate" : "DVC In Ramp Up Rate",
 			&dvc->rup,
+			rsnd_dvc_volume_update,
 			dvc_ramp_rate, ARRAY_SIZE(dvc_ramp_rate));
 	if (ret < 0)
 		return ret;
 
-	ret = _rsnd_dvc_pcm_new_e(mod, rdai, rtd,
+	ret = rsnd_kctrl_new_e(mod, rdai, rtd,
 			rsnd_dai_is_play(rdai, io) ?
 			"DVC Out Ramp Down Rate" : "DVC In Ramp Down Rate",
 			&dvc->rdown,
+			rsnd_dvc_volume_update,
 			dvc_ramp_rate, ARRAY_SIZE(dvc_ramp_rate));
 
 	if (ret < 0)
diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h
index 48999b1..133ba1f 100644
--- a/sound/soc/sh/rcar/rsnd.h
+++ b/sound/soc/sh/rcar/rsnd.h
@@ -418,6 +418,51 @@ struct rsnd_priv {
 })
 
 /*
+ *	rsnd_kctrl
+ */
+struct rsnd_kctrl_cfg {
+	unsigned int max;
+	unsigned int size;
+	u32 *val;
+	const char * const *texts;
+	void (*update)(struct rsnd_mod *mod);
+};
+
+#define RSND_DVC_CHANNELS	2
+struct rsnd_kctrl_cfg_m {
+	struct rsnd_kctrl_cfg cfg;
+	u32 val[RSND_DVC_CHANNELS];
+};
+
+struct rsnd_kctrl_cfg_s {
+	struct rsnd_kctrl_cfg cfg;
+	u32 val;
+};
+
+int rsnd_kctrl_new_m(struct rsnd_mod *mod,
+		     struct rsnd_dai *rdai,
+		     struct snd_soc_pcm_runtime *rtd,
+		     const unsigned char *name,
+		     void (*update)(struct rsnd_mod *mod),
+		     struct rsnd_kctrl_cfg_m *_cfg,
+		     u32 max);
+int rsnd_kctrl_new_s(struct rsnd_mod *mod,
+		     struct rsnd_dai *rdai,
+		     struct snd_soc_pcm_runtime *rtd,
+		     const unsigned char *name,
+		     void (*update)(struct rsnd_mod *mod),
+		     struct rsnd_kctrl_cfg_s *_cfg,
+		     u32 max);
+int rsnd_kctrl_new_e(struct rsnd_mod *mod,
+		     struct rsnd_dai *rdai,
+		     struct snd_soc_pcm_runtime *rtd,
+		     const unsigned char *name,
+		     struct rsnd_kctrl_cfg_s *_cfg,
+		     void (*update)(struct rsnd_mod *mod),
+		     const char * const *texts,
+		     u32 max);
+
+/*
  *	R-Car SRC
  */
 int rsnd_src_probe(struct platform_device *pdev,
