ALSA: emu10k1 - Add missing KERN_* prefix to printk

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/emu10k1/emu10k1_callback.c b/sound/pci/emu10k1/emu10k1_callback.c
index 0e649dc..7ef949d 100644
--- a/sound/pci/emu10k1/emu10k1_callback.c
+++ b/sound/pci/emu10k1/emu10k1_callback.c
@@ -103,7 +103,10 @@
 			int ch;
 			vp = &emu->voices[best[i].voice];
 			if ((ch = vp->ch) < 0) {
-				//printk("synth_get_voice: ch < 0 (%d) ??", i);
+				/*
+				printk(KERN_WARNING
+				       "synth_get_voice: ch < 0 (%d) ??", i);
+				*/
 				continue;
 			}
 			vp->emu->num_voices--;
@@ -335,7 +338,7 @@
 		return -EINVAL;
 	emem->map_locked++;
 	if (snd_emu10k1_memblk_map(hw, emem) < 0) {
-		// printk("emu: cannot map!\n");
+		/* printk(KERN_ERR "emu: cannot map!\n"); */
 		return -ENOMEM;
 	}
 	mapped_offset = snd_emu10k1_memblk_offset(emem) >> 1;