ALSA: Fix missing KERN_* prefix to printk in sound/pci

Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/ac97/ac97_codec.c

@@ -1643,7 +1643,10 @@ static int snd_ac97_modem_build(struct snd_card *card, struct snd_ac97 * ac97)
 {
 	int err, idx;
 
-	//printk("AC97_GPIO_CFG = %x\n",snd_ac97_read(ac97,AC97_GPIO_CFG));
+	/*
+	printk(KERN_DEBUG "AC97_GPIO_CFG = %x\n",
+	       snd_ac97_read(ac97,AC97_GPIO_CFG));
+	*/
 	snd_ac97_write(ac97, AC97_GPIO_CFG, 0xffff & ~(AC97_GPIO_LINE1_OH));
 	snd_ac97_write(ac97, AC97_GPIO_POLARITY, 0xffff & ~(AC97_GPIO_LINE1_OH));
 	snd_ac97_write(ac97, AC97_GPIO_STICKY, 0xffff);