diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 52bd2488ff4a0183b29094b50d9b748a3224a898..f7197a0ac7598d30bfa16cc1ba2af9d194be711d 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -835,6 +835,8 @@ struct hci_cp_write_le_host_supported {
 	__u8	simul;
 } __packed;
 
+#define HCI_OP_READ_SYNC_TRAIN_PARAMS	0x0c77
+
 #define HCI_OP_READ_LOCAL_VERSION	0x1001
 struct hci_rp_read_local_version {
 	__u8     status;
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index b24d2fa02c2fbe774b5855260afc2eeaa27336e9..ea542e07b2e95b47535ce9249b2c4da88cbfe800 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -648,6 +648,15 @@ static void hci_init3_req(struct hci_request *req, unsigned long opt)
 	}
 }
 
+static void hci_init4_req(struct hci_request *req, unsigned long opt)
+{
+	struct hci_dev *hdev = req->hdev;
+
+	/* Check for Synchronization Train support */
+	if (hdev->features[2][0] & 0x04)
+		hci_req_add(req, HCI_OP_READ_SYNC_TRAIN_PARAMS, 0, NULL);
+}
+
 static int __hci_init(struct hci_dev *hdev)
 {
 	int err;
@@ -667,7 +676,11 @@ static int __hci_init(struct hci_dev *hdev)
 	if (err < 0)
 		return err;
 
-	return __hci_req_sync(hdev, hci_init3_req, 0, HCI_INIT_TIMEOUT);
+	err = __hci_req_sync(hdev, hci_init3_req, 0, HCI_INIT_TIMEOUT);
+	if (err < 0)
+		return err;
+
+	return __hci_req_sync(hdev, hci_init4_req, 0, HCI_INIT_TIMEOUT);
 }
 
 static void hci_scan_req(struct hci_request *req, unsigned long opt)