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

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/drivers/opl3/opl3_oss.c b/sound/drivers/opl3/opl3_oss.c
index 9a2271d..a54b1dc 100644
--- a/sound/drivers/opl3/opl3_oss.c
+++ b/sound/drivers/opl3/opl3_oss.c
@@ -220,14 +220,14 @@
 		return -EINVAL;
 
 	if (count < (int)sizeof(sbi)) {
-		snd_printk("FM Error: Patch record too short\n");
+		snd_printk(KERN_ERR "FM Error: Patch record too short\n");
 		return -EINVAL;
 	}
 	if (copy_from_user(&sbi, buf, sizeof(sbi)))
 		return -EFAULT;
 
 	if (sbi.channel < 0 || sbi.channel >= SBFM_MAXINSTR) {
-		snd_printk("FM Error: Invalid instrument number %d\n",
+		snd_printk(KERN_ERR "FM Error: Invalid instrument number %d\n",
 			   sbi.channel);
 		return -EINVAL;
 	}
@@ -254,7 +254,9 @@
 	opl3 = arg->private_data;
 	switch (cmd) {
 		case SNDCTL_FM_LOAD_INSTR:
-			snd_printk("OPL3: Obsolete ioctl(SNDCTL_FM_LOAD_INSTR) used. Fix the program.\n");
+			snd_printk(KERN_ERR "OPL3: "
+				   "Obsolete ioctl(SNDCTL_FM_LOAD_INSTR) used. "
+				   "Fix the program.\n");
 			return -EINVAL;
 
 		case SNDCTL_SYNTH_MEMAVL: