Add missing controls when update status

Author: Cuda-Chen

virtio-snd.c

@@ -313,12 +313,14 @@ static void virtio_snd_update_status(virtio_snd_state_t *vsnd, uint32_t status)
     uint32_t jacks = PRIV(vsnd)->jacks;
     uint32_t streams = PRIV(vsnd)->streams;
     uint32_t chmaps = PRIV(vsnd)->chmaps;
+    uint32_t controls = PRIV(vsnd)->controls;
     memset(vsnd, 0, sizeof(*vsnd));
     vsnd->ram = ram;
     vsnd->priv = priv;
     PRIV(vsnd)->jacks = jacks;
     PRIV(vsnd)->streams = streams;
     PRIV(vsnd)->chmaps = chmaps;
+    PRIV(vsnd)->controls = controls;
 }
 
 static void virtio_snd_read_jack_info_handler(