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-rw-r--r--drivers/hid/hid-magicmouse.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
index e6dc15171664..ed732b746c96 100644
--- a/drivers/hid/hid-magicmouse.c
+++ b/drivers/hid/hid-magicmouse.c
@@ -433,6 +433,11 @@ static int magicmouse_input_mapping(struct hid_device *hdev,
if (!msc->input)
msc->input = hi->input;
+ /* Magic Trackpad does not give relative data after switching to MT */
+ if (hi->input->id.product == USB_DEVICE_ID_APPLE_MAGICTRACKPAD &&
+ field->flags & HID_MAIN_ITEM_RELATIVE)
+ return -1;
+
return 0;
}