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

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/drivers/pcsp/pcsp.c b/sound/drivers/pcsp/pcsp.c
index a4049eb..c7c744c 100644
--- a/sound/drivers/pcsp/pcsp.c
+++ b/sound/drivers/pcsp/pcsp.c
@@ -57,7 +57,7 @@
 	else
 		min_div = MAX_DIV;
 #if PCSP_DEBUG
-	printk("PCSP: lpj=%li, min_div=%i, res=%li\n",
+	printk(KERN_DEBUG "PCSP: lpj=%li, min_div=%i, res=%li\n",
 	       loops_per_jiffy, min_div, tp.tv_nsec);
 #endif