diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index aad9ed1..d9a1ba9 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -354,6 +354,8 @@
 
 #define USB_VENDOR_ID_SOUNDGRAPH	0x15c2
 #define USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD	0x0038
+#define USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD2	0x0036
+#define USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD3	0x0034
 
 #define USB_VENDOR_ID_SUN		0x0430
 #define USB_DEVICE_ID_RARITAN_KVM_DONGLE	0xcdab