HID: multitouch: do not map usage from non used reports

hid-multitouch only handles touch events, so there is no point in
mapping other kind of events.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 35b6025a064f..611c88cbc40e 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -741,7 +741,7 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
         * such as Mouse that might have the same GenericDesktop usages. */
         if (field->application != HID_DG_TOUCHSCREEN &&
             field->application != HID_DG_TOUCHPAD)
-                return 0;
+                return -1;
 
         /* eGalax devices provide a Digitizer.Stylus input which overrides
          * the correct Digitizers.Finger X/Y ranges.