ALSA: aoa: Use SNDRV_DEV_CODEC for AOA codec objects

... instead of SNDRV_DEV_LOWLEVEL.
No functional change at this point.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/aoa/codecs/tas.c b/sound/aoa/codecs/tas.c
index c491ae0..cf3c630 100644
--- a/sound/aoa/codecs/tas.c
+++ b/sound/aoa/codecs/tas.c
@@ -826,7 +826,7 @@
 		return -ENODEV;
 	}
 
-	if (aoa_snd_device_new(SNDRV_DEV_LOWLEVEL, tas, &ops)) {
+	if (aoa_snd_device_new(SNDRV_DEV_CODEC, tas, &ops)) {
 		printk(KERN_ERR PFX "failed to create tas snd device!\n");
 		return -ENODEV;
 	}