Input: wacom - add fuzz parameters to features

The signal-to-noise ratio varies between devices, but currently all
devices are treated the same way. Add fuzz parameters to the feature
struct, allowing for tailored treatment of devices.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Acked-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index 42ba3691d90..e510e4fb54f 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -333,8 +333,12 @@ static int wacom_retrieve_hid_descriptor(struct usb_interface *intf,
         struct usb_host_interface *interface = intf->cur_altsetting;
         struct hid_descriptor *hid_desc;
 
-        /* default device to penabled */
+        /* default features */
         features->device_type = BTN_TOOL_PEN;
+        features->x_fuzz = 4;
+        features->y_fuzz = 4;
+        features->pressure_fuzz = 0;
+        features->distance_fuzz = 0;
 
         /* only Tablet PCs need to retrieve the info */
         if ((features->type != TABLETPC) && (features->type != TABLETPC2FG))