return list of interface in was_attached

Author: RetiredWizard

adafruit_usb_host_mouse/__init__.py

@@ -92,14 +92,12 @@ def find_and_init_boot_mouse(cursor_image=DEFAULT_CURSOR):  # noqa: PLR0912
         except usb.core.USBError as e:
             print_exception(e, e, None)
 
-    mouse_was_attached = None
+    mouse_was_attached = []
     if mouse_device is not None:
         # detach the kernel driver if needed
         if mouse_device.is_kernel_driver_active(mouse_interface_index):
-            mouse_was_attached = True
+            mouse_was_attached = [[mouse_interface_index]]
             mouse_device.detach_kernel_driver(mouse_interface_index)
-        else:
-            mouse_was_attached = False
 
         # set configuration on the mouse so we can use it
         mouse_device.set_configuration()
@@ -177,15 +175,19 @@ def find_and_init_report_mouse(cursor_image=DEFAULT_CURSOR):  # noqa: PLR0912
         except usb.core.USBError as e:
             print_exception(e, e, None)
 
-    mouse_was_attached = False
+    mouse_was_attached = []
+    _attach_list = []
     if mouse_device is not None:
         # detach the kernel driver if needed
         # Typically HID devices have interfaces 0,1,2
         for intf in range(3):
             if mouse_device.is_kernel_driver_active(intf):
-                mouse_was_attached = True
+                _attach_list.append(intf)
                 mouse_device.detach_kernel_driver(intf)
 
+        if len(_attach_list) > 0:
+            mouse_was_attached = [_attach_list]
+
         # set configuration on the mouse so we can use it
         mouse_device.set_configuration()
 
@@ -299,8 +301,12 @@ def release(self):
         Release the mouse cursor and re-attach it to the kernel
         if it was attached previously.
         """
-        if self.was_attached and not self.device.is_kernel_driver_active(0):
-            self.device.attach_kernel_driver(0)
+        # was_attached is an empty list if no interfaces were detached from the kernel
+        if self.was_attached:
+            # the first element of the was_attached list is a list of detached interfaces
+            for intf in self.was_attached[0]:     
+                if not self.device.is_kernel_driver_active(intf):
+                    self.device.attach_kernel_driver(intf)
 
     def update(self):
         """