diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h
index de69487963..0defa1d8c1 100644
--- a/linux-user/ioctls.h
+++ b/linux-user/ioctls.h
@@ -477,6 +477,10 @@
         MK_PTR(MK_STRUCT(STRUCT_snd_timer_params)))
   IOCTL(SNDRV_TIMER_IOCTL_STATUS, IOC_R,
         MK_PTR(MK_STRUCT(STRUCT_snd_timer_status)))
+  IOCTL(SNDRV_TIMER_IOCTL_START, 0, TYPE_NULL)
+  IOCTL(SNDRV_TIMER_IOCTL_STOP, 0, TYPE_NULL)
+  IOCTL(SNDRV_TIMER_IOCTL_CONTINUE, 0, TYPE_NULL)
+  IOCTL(SNDRV_TIMER_IOCTL_PAUSE, 0, TYPE_NULL)
 
   IOCTL(HDIO_GETGEO, IOC_R, MK_PTR(MK_STRUCT(STRUCT_hd_geometry)))
   IOCTL(HDIO_GET_UNMASKINTR, IOC_R, MK_PTR(TYPE_INT))
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index cf34129fc3..152ec637cb 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -2516,6 +2516,10 @@ struct target_snd_timer_status {
                                                 struct snd_timer_params)
 #define TARGET_SNDRV_TIMER_IOCTL_STATUS       TARGET_IOR('T', 0x14,            \
                                                 struct target_snd_timer_status)
+#define TARGET_SNDRV_TIMER_IOCTL_START        TARGET_IO('T', 0xa0)
+#define TARGET_SNDRV_TIMER_IOCTL_STOP         TARGET_IO('T', 0xa1)
+#define TARGET_SNDRV_TIMER_IOCTL_CONTINUE     TARGET_IO('T', 0xa2)
+#define TARGET_SNDRV_TIMER_IOCTL_PAUSE        TARGET_IO('T', 0xa3)
 
 /* vfat ioctls */
 #define TARGET_VFAT_IOCTL_READDIR_BOTH    TARGET_IORU('r', 1)