drivers/usb/gadget: Convert to snd_card_create()

Convert from snd_card_new() to the new snd_card_create() function
for gmidi.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

drivers/usb/gadget/gmidi.c

@@ -1099,10 +1099,9 @@ static int gmidi_register_card(struct gmidi_device *dev)
 		.dev_free = gmidi_snd_free,
 	};
 
-	card = snd_card_new(index, id, THIS_MODULE, 0);
-	if (!card) {
-		ERROR(dev, "snd_card_new failed\n");
-		err = -ENOMEM;
+	err = snd_card_create(index, id, THIS_MODULE, 0, &card);
+	if (err < 0) {
+		ERROR(dev, "snd_card_create failed\n");
 		goto fail;
 	}
 	dev->card = card;