diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 51b7801..4de6ef0 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -790,6 +790,8 @@
 	{ USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID),
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 	{ USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) },
+	{ USB_DEVICE(FTDI_VID, HAMEG_HO720_PID) },
+	{ USB_DEVICE(FTDI_VID, HAMEG_HO730_PID) },
 	{ USB_DEVICE(FTDI_VID, HAMEG_HO870_PID) },
 	{ USB_DEVICE(FTDI_VID, MJSG_GENERIC_PID) },
 	{ USB_DEVICE(FTDI_VID, MJSG_SR_RADIO_PID) },