ALSA: aoa: Use SNDRV_DEV_CODEC for AOA codec objects

... instead of SNDRV_DEV_LOWLEVEL.
No functional change at this point.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

sound/aoa/codecs/onyx.c

@@ -889,7 +889,7 @@ static int onyx_init_codec(struct aoa_codec *codec)
 		return -ENODEV;
 	}
 
-	if (aoa_snd_device_new(SNDRV_DEV_LOWLEVEL, onyx, &ops)) {
+	if (aoa_snd_device_new(SNDRV_DEV_CODEC, onyx, &ops)) {
 		printk(KERN_ERR PFX "failed to create onyx snd device!\n");
 		return -ENODEV;
 	}

sound/aoa/codecs/tas.c

@@ -826,7 +826,7 @@ static int tas_init_codec(struct aoa_codec *codec)
 		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;
 	}

sound/aoa/codecs/toonie.c

@@ -92,7 +92,7 @@ static int toonie_init_codec(struct aoa_codec *codec)
 	if (toonie->codec.connected != 1)
 		return -ENOTCONN;
 
-	if (aoa_snd_device_new(SNDRV_DEV_LOWLEVEL, toonie, &ops)) {
+	if (aoa_snd_device_new(SNDRV_DEV_CODEC, toonie, &ops)) {
 		printk(KERN_ERR PFX "failed to create toonie snd device!\n");
 		return -ENODEV;
 	}