diff --git a/libc/kernel/uapi/sound/firewire.h b/libc/kernel/uapi/sound/firewire.h
index fc478f8..91289c0 100644
--- a/libc/kernel/uapi/sound/firewire.h
+++ b/libc/kernel/uapi/sound/firewire.h
@@ -24,6 +24,7 @@
 #define SNDRV_FIREWIRE_EVENT_DICE_NOTIFICATION 0xd1ce004e
 #define SNDRV_FIREWIRE_EVENT_EFW_RESPONSE 0x4e617475
 #define SNDRV_FIREWIRE_EVENT_DIGI00X_MESSAGE 0x746e736c
+#define SNDRV_FIREWIRE_EVENT_MOTU_NOTIFICATION 0x64776479
 struct snd_firewire_event_common {
   unsigned int type;
 };
@@ -53,12 +54,17 @@
   unsigned int type;
   __u32 message;
 };
+struct snd_firewire_event_motu_notification {
+  unsigned int type;
+  __u32 message;
+};
 union snd_firewire_event {
   struct snd_firewire_event_common common;
   struct snd_firewire_event_lock_status lock_status;
   struct snd_firewire_event_dice_notification dice_notification;
   struct snd_firewire_event_efw_response efw_response;
   struct snd_firewire_event_digi00x_message digi00x_message;
+  struct snd_firewire_event_motu_notification motu_notification;
 };
 #define SNDRV_FIREWIRE_IOCTL_GET_INFO _IOR('H', 0xf8, struct snd_firewire_get_info)
 #define SNDRV_FIREWIRE_IOCTL_LOCK _IO('H', 0xf9)
@@ -69,6 +75,8 @@
 #define SNDRV_FIREWIRE_TYPE_OXFW 4
 #define SNDRV_FIREWIRE_TYPE_DIGI00X 5
 #define SNDRV_FIREWIRE_TYPE_TASCAM 6
+#define SNDRV_FIREWIRE_TYPE_MOTU 7
+#define SNDRV_FIREWIRE_TYPE_FIREFACE 8
 struct snd_firewire_get_info {
   unsigned int type;
   unsigned int card;