# /home/anton/tmp/robsd/src-sys-uhidev-sispm.diff

Force Gembird EG-PMS2 to attach as ugen(4).

Index: uhidev.c
===================================================================
RCS file: /cvs/src/sys/dev/usb/uhidev.c,v
retrieving revision 1.108
diff -u -p -r1.108 uhidev.c
--- uhidev.c	20 May 2022 05:03:45 -0000	1.108
+++ uhidev.c	4 Jun 2022 10:41:20 -0000
@@ -115,6 +115,10 @@ uhidev_match(struct device *parent, void
 	struct usb_attach_arg *uaa = aux;
 	usb_interface_descriptor_t *id;
 
+	/* Force Gembird EG-PMS2 to attach as ugen(4). */
+	if (uaa->vendor == 0x04b4 && uaa->product == 0xfd15)
+		return (UMATCH_NONE);
+
 	if (uaa->iface == NULL)
 		return (UMATCH_NONE);
 	id = usbd_get_interface_descriptor(uaa->iface);