[PATCH v2 3/7] HID: multitouch: do not map usage from non used reports

From: Benjamin Tissoires
Date: Fri Mar 22 2013 - 13:40:49 EST


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

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>
---
drivers/hid/hid-multitouch.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 35b6025..611c88cb 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.
--
1.8.1.4

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