HID: wacom: generic: Add support for vendor-defined "Fingerwheel" usage
The airbrush fingerwheel does not have a usage that corresponds cleanly
with a standard HID usage, so we add explicit support for it via its
vendor-defined usage.
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
index f78ad77..81467c9 100644
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -1539,6 +1539,9 @@ static void wacom_wac_pen_usage_mapping(struct hid_device *hdev,
case HID_DG_TOOLSERIALNUMBER:
wacom_map_usage(input, usage, field, EV_MSC, MSC_SERIAL, 0);
break;
+ case WACOM_HID_WD_FINGERWHEEL:
+ wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
+ break;
}
}