ALSA: Add missing KERN_* prefix to printk in other sound/*

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/sparc/amd7930.c b/sound/sparc/amd7930.c
index f87933e..7cbc725 100644
--- a/sound/sparc/amd7930.c
+++ b/sound/sparc/amd7930.c
@@ -954,7 +954,8 @@
 	amd->regs = of_ioremap(&op->resource[0], 0,
 			       resource_size(&op->resource[0]), "amd7930");
 	if (!amd->regs) {
-		snd_printk("amd7930-%d: Unable to map chip registers.\n", dev);
+		snd_printk(KERN_ERR
+			   "amd7930-%d: Unable to map chip registers.\n", dev);
 		return -EIO;
 	}
 
@@ -962,7 +963,7 @@
 
 	if (request_irq(irq, snd_amd7930_interrupt,
 			IRQF_DISABLED | IRQF_SHARED, "amd7930", amd)) {
-		snd_printk("amd7930-%d: Unable to grab IRQ %d\n",
+		snd_printk(KERN_ERR "amd7930-%d: Unable to grab IRQ %d\n",
 			   dev, irq);
 		snd_amd7930_free(amd);
 		return -EBUSY;