diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index 2b7323c92994..d460d2aa82ee 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -170,6 +170,14 @@ void rsnd_mod_quit(struct rsnd_mod *mod)
 		clk_unprepare(mod->clk);
 }
 
+int rsnd_mod_is_working(struct rsnd_mod *mod)
+{
+	struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+
+	/* see rsnd_dai_stream_init/quit() */
+	return !!io->substream;
+}
+
 /*
  *	settting function
  */
@@ -362,7 +370,7 @@ static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd,
 	int ret;
 	unsigned long flags;
 
-	rsnd_lock(priv, flags);
+	spin_lock_irqsave(&priv->lock, flags);
 
 	switch (cmd) {
 	case SNDRV_PCM_TRIGGER_START:
@@ -400,7 +408,7 @@ static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd,
 	}
 
 dai_trigger_end:
-	rsnd_unlock(priv, flags);
+	spin_unlock_irqrestore(&priv->lock, flags);
 
 	return ret;
 }
diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h
index 4e6de6804cfb..03ff071d012f 100644
--- a/sound/soc/sh/rcar/rsnd.h
+++ b/sound/soc/sh/rcar/rsnd.h
@@ -303,6 +303,7 @@ int rsnd_mod_init(struct rsnd_mod *mod,
 		   int id);
 void rsnd_mod_quit(struct rsnd_mod *mod);
 char *rsnd_mod_name(struct rsnd_mod *mod);
+int rsnd_mod_is_working(struct rsnd_mod *mod);
 struct dma_chan *rsnd_mod_dma_req(struct rsnd_mod *mod);
 
 /*
@@ -449,8 +450,6 @@ struct rsnd_priv {
 #define rsnd_priv_to_pdev(priv)	((priv)->pdev)
 #define rsnd_priv_to_dev(priv)	(&(rsnd_priv_to_pdev(priv)->dev))
 #define rsnd_priv_to_info(priv)	((priv)->info)
-#define rsnd_lock(priv, flags) spin_lock_irqsave(&priv->lock, flags)
-#define rsnd_unlock(priv, flags) spin_unlock_irqrestore(&priv->lock, flags)
 
 /*
  *	rsnd_kctrl
diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c
index 3beb32eb412a..fbe9166e26d1 100644
--- a/sound/soc/sh/rcar/src.c
+++ b/sound/soc/sh/rcar/src.c
@@ -673,10 +673,13 @@ static int _rsnd_src_stop_gen2(struct rsnd_mod *mod)
 static irqreturn_t rsnd_src_interrupt_gen2(int irq, void *data)
 {
 	struct rsnd_mod *mod = data;
-	struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+	struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
 
-	if (!io)
-		return IRQ_NONE;
+	spin_lock(&priv->lock);
+
+	/* ignore all cases if not working */
+	if (!rsnd_mod_is_working(mod))
+		goto rsnd_src_interrupt_gen2_out;
 
 	if (rsnd_src_error_record_gen2(mod)) {
 		struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
@@ -692,6 +695,8 @@ static irqreturn_t rsnd_src_interrupt_gen2(int irq, void *data)
 		else
 			dev_warn(dev, "no more SRC restart\n");
 	}
+rsnd_src_interrupt_gen2_out:
+	spin_unlock(&priv->lock);
 
 	return IRQ_HANDLED;
 }
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c
index 927ac52a6d1e..50fa3928a003 100644
--- a/sound/soc/sh/rcar/ssi.c
+++ b/sound/soc/sh/rcar/ssi.c
@@ -423,10 +423,15 @@ static irqreturn_t rsnd_ssi_interrupt(int irq, void *data)
 	struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
 	struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
 	int is_dma = rsnd_ssi_is_dma_mode(mod);
-	u32 status = rsnd_mod_read(mod, SSISR);
+	u32 status;
 
-	if (!io)
-		return IRQ_NONE;
+	spin_lock(&priv->lock);
+
+	/* ignore all cases if not working */
+	if (!rsnd_mod_is_working(mod))
+		goto rsnd_ssi_interrupt_out;
+
+	status = rsnd_mod_read(mod, SSISR);
 
 	/* PIO only */
 	if (!is_dma && (status & DIRQ)) {
@@ -466,6 +471,9 @@ static irqreturn_t rsnd_ssi_interrupt(int irq, void *data)
 
 	rsnd_ssi_record_error(ssi, status);
 
+rsnd_ssi_interrupt_out:
+	spin_unlock(&priv->lock);
+
 	return IRQ_HANDLED;
 }