A simple patch that lists all matches when querying devices with xorg-xinput.

xinput-list-all-matches.patch

diff -u --recursive --text xinput-1.6.3.orig/src/list.c xinput-1.6.3/src/list.c
--- xinput-1.6.3.orig/src/list.c	2021-02-03 11:40:47.405550058 -0300
+++ xinput-1.6.3/src/list.c	2021-02-03 13:05:48.896505807 -0300
@@ -374,13 +374,16 @@
 #if HAVE_XI2
         if (xinput_version(display) == XI_2_Major)
         {
-            XIDeviceInfo *info = xi2_find_device_info(display, argv[arg_dev]);
+            int ndevs;
+            XIDeviceInfo **infos = xi2_find_all_devices_info(display, argv[arg_dev], &ndevs);
 
-            if (!info) {
+            if (!infos || ndevs == 0) {
                 fprintf(stderr, "unable to find device %s\n", argv[arg_dev]);
                 return EXIT_FAILURE;
             } else {
-                print_info_xi2(display, info, format);
+                for (int i = 0; i < ndevs; i++) {
+                    print_info_xi2(display, infos[i], format);
+                }
                 return EXIT_SUCCESS;
             }
         } else
diff -u --recursive --text xinput-1.6.3.orig/src/xinput.c xinput-1.6.3/src/xinput.c
--- xinput-1.6.3.orig/src/xinput.c	2021-02-03 11:40:47.405550058 -0300
+++ xinput-1.6.3/src/xinput.c	2021-02-03 13:05:30.642984343 -0300
@@ -24,6 +24,7 @@
 #include "xinput.h"
 #include <ctype.h>
 #include <string.h>
+#include <stdlib.h>
 
 int xi_opcode;
 
@@ -345,6 +346,44 @@
 
     return found;
 }
+
+XIDeviceInfo**
+xi2_find_all_devices_info(Display *display, char *name, int *ndevs)
+{
+    XIDeviceInfo *info;
+    XIDeviceInfo **found;
+    int ndevices;
+    int nfound = 0;
+    Bool is_id = True;
+    int i, id = -1;
+
+    for(i = 0; i < strlen(name); i++) {
+	if (!isdigit(name[i])) {
+	    is_id = False;
+	    break;
+	}
+    }
+
+    if (is_id) {
+	id = atoi(name);
+    }
+
+    info = XIQueryDevice(display, XIAllDevices, &ndevices);
+    found = malloc(ndevices * sizeof(XIDeviceInfo*));
+    if (!found) {
+        return NULL;
+    }
+    for(i = 0; i < ndevices; i++)
+    {
+        if (is_id ? info[i].deviceid == id : device_matches (&info[i], name)) {
+            found[nfound] = &info[i];
+            nfound += 1;
+        }
+    }
+    *ndevs = nfound;
+
+    return found;
+}
 #endif
 
 static void
diff -u --recursive --text xinput-1.6.3.orig/src/xinput.h xinput-1.6.3/src/xinput.h
--- xinput-1.6.3.orig/src/xinput.h	2021-02-03 11:40:47.405550058 -0300
+++ xinput-1.6.3/src/xinput.h	2021-02-03 12:00:45.091738578 -0300
@@ -45,6 +45,7 @@
 XDeviceInfo* find_device_info( Display *display, char *name, Bool only_extended);
 #if HAVE_XI2
 XIDeviceInfo* xi2_find_device_info(Display *display, char *name);
+XIDeviceInfo** xi2_find_all_devices_info(Display *display, char *name, int *ndevs);
 int xinput_version(Display* display);
 #endif