[ALSA] Add missing KERN_* suffix to printk

Add missing KERN_* suffix to printk.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/isa/gus/gus_simple.c b/sound/isa/gus/gus_simple.c
index c122e7b..dfed85b 100644
--- a/sound/isa/gus/gus_simple.c
+++ b/sound/isa/gus/gus_simple.c
@@ -136,7 +136,7 @@
 		snd_gf1_select_voice(gus, voice->number);
 		snd_gf1_ctrl_stop(gus, SNDRV_GF1_VB_VOLUME_CONTROL);
 		snd_gf1_write16(gus, SNDRV_GF1_VW_VOLUME, voice->gf1_volume);
-		printk("gf1_volume = 0x%x\n", voice->gf1_volume);
+		/* printk("gf1_volume = 0x%x\n", voice->gf1_volume); */
 		spin_unlock_irqrestore(&gus->reg_lock, flags);
 		return;
 	}