Add jack and PCM event types

Author: Cuda-Chen

virtio-snd.c

@@ -48,6 +48,14 @@ enum {
     /* channel map control requests types */
     VIRTIO_SND_R_CHMAP_INFO = 0x0200,
 
+    /* jack event types */
+    VIRTIO_SND_EVT_JACK_CONNECTED = 0x1000,
+    VIRTIO_SND_EVT_JACK_DISCONNECTED,
+
+    /* PCM event types */
+    VIRTIO_SND_EVT_PCM_PERIOD_ELAPSED = 0x1100,
+    VIRTIO_SND_EVT_PCM_XRUN,
+
     /* common status codes */
     VIRTIO_SND_S_OK = 0x8000,
     VIRTIO_SND_S_BAD_MSG,