diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c
index 90d0d62..2f09252 100644
--- a/sound/pci/ymfpci/ymfpci_main.c
+++ b/sound/pci/ymfpci/ymfpci_main.c
@@ -318,7 +318,12 @@
 		ypcm->period_pos += delta;
 		ypcm->last_pos = pos;
 		if (ypcm->period_pos >= ypcm->period_size) {
-			// printk("done - active_bank = 0x%x, start = 0x%x\n", chip->active_bank, voice->bank[chip->active_bank].start);
+			/*
+			printk(KERN_DEBUG
+			       "done - active_bank = 0x%x, start = 0x%x\n",
+			       chip->active_bank,
+			       voice->bank[chip->active_bank].start);
+			*/
 			ypcm->period_pos %= ypcm->period_size;
 			spin_unlock(&chip->reg_lock);
 			snd_pcm_period_elapsed(ypcm->substream);
@@ -366,7 +371,12 @@
 		ypcm->last_pos = pos;
 		if (ypcm->period_pos >= ypcm->period_size) {
 			ypcm->period_pos %= ypcm->period_size;
-			// printk("done - active_bank = 0x%x, start = 0x%x\n", chip->active_bank, voice->bank[chip->active_bank].start);
+			/*
+			printk(KERN_DEBUG
+			       "done - active_bank = 0x%x, start = 0x%x\n",
+			       chip->active_bank,
+			       voice->bank[chip->active_bank].start);
+			*/
 			spin_unlock(&chip->reg_lock);
 			snd_pcm_period_elapsed(substream);
 			spin_lock(&chip->reg_lock);