linux-kernel - [PATCH 4.13 22/28] HID: wacom: generic: Recognize WACOM_HID_WD

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Message-Id: <20171119144312.685411227@linuxfoundation.org>
Date:   Sun, 19 Nov 2017 15:44:09 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Ping Cheng <ping.cheng@...om.com>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Jason Gerecke <jason.gerecke@...om.com>,
        Jiri Kosina <jkosina@...e.cz>
Subject: [PATCH 4.13 22/28] HID: wacom: generic: Recognize WACOM_HID_WD_PEN as a type of pen collection

4.13-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jason Gerecke <killertofu@...il.com>

commit 885e89f601a52cc6fb025b009df58ba83d142734 upstream.

The WACOM_PEN_FIELD macro is used to determine if a given HID field should be
associated with pen input. This field includes several known collection types
that Wacom pen data is contained in, but the WACOM_HID_WD_PEN application
collection type is notably missing. This can result in fields within this
kind of collection being completely ignored by the `wacom_usage_mapping`
function, preventing the later '*_event' functions from being notified about
changes to their value.

Fixes: c9c095874a ("HID: wacom: generic: Support and use 'Custom HID' mode and usages")
Fixes: ac2423c975 ("HID: wacom: generic: add vendor defined touch")
Reviewed-by: Ping Cheng <ping.cheng@...om.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@...hat.com>
Signed-off-by: Jason Gerecke <jason.gerecke@...om.com>
Signed-off-by: Jiri Kosina <jkosina@...e.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/hid/wacom_wac.h |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/hid/wacom_wac.h
+++ b/drivers/hid/wacom_wac.h
@@ -166,6 +166,7 @@
 				 ((f)->physical == HID_DG_PEN) || \
 				 ((f)->application == HID_DG_PEN) || \
 				 ((f)->application == HID_DG_DIGITIZER) || \
+				 ((f)->application == WACOM_HID_WD_PEN) || \
 				 ((f)->application == WACOM_HID_WD_DIGITIZER) || \
 				 ((f)->application == WACOM_HID_G9_PEN) || \
 				 ((f)->application == WACOM_HID_G11_PEN))