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Date:   Mon, 12 Dec 2022 05:36:29 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     José Expósito <jose.exposito89@...il.com>,
        Torge Matthies <openglfreak@...glemail.com>,
        Alexander Zhang <alex@...xyzhang.dev>,
        Jiri Kosina <jkosina@...e.cz>, Sasha Levin <sashal@...nel.org>,
        jikos@...nel.org, benjamin.tissoires@...hat.com,
        linux-input@...r.kernel.org
Subject: [PATCH AUTOSEL 5.4 4/7] HID: uclogic: Add HID_QUIRK_HIDINPUT_FORCE quirk

From: José Expósito <jose.exposito89@...il.com>

[ Upstream commit 3405a4beaaa852f3ed2a5eb3b5149932d5c3779b ]

Commit f7d8e387d9ae ("HID: uclogic: Switch to Digitizer usage for
styluses") changed the usage used in UCLogic from "Pen" to "Digitizer".

However, the IS_INPUT_APPLICATION() macro evaluates to false for
HID_DG_DIGITIZER causing issues with the XP-Pen Star G640 tablet.

Add the HID_QUIRK_HIDINPUT_FORCE quirk to bypass the
IS_INPUT_APPLICATION() check.

Reported-by: Torge Matthies <openglfreak@...glemail.com>
Reported-by: Alexander Zhang <alex@...xyzhang.dev>
Tested-by: Alexander Zhang <alex@...xyzhang.dev>
Signed-off-by: José Expósito <jose.exposito89@...il.com>
Signed-off-by: Jiri Kosina <jkosina@...e.cz>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/hid/hid-uclogic-core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/hid/hid-uclogic-core.c b/drivers/hid/hid-uclogic-core.c
index 4edb24195704..e4811d37ca77 100644
--- a/drivers/hid/hid-uclogic-core.c
+++ b/drivers/hid/hid-uclogic-core.c
@@ -172,6 +172,7 @@ static int uclogic_probe(struct hid_device *hdev,
 	 * than the pen, so use QUIRK_MULTI_INPUT for all tablets.
 	 */
 	hdev->quirks |= HID_QUIRK_MULTI_INPUT;
+	hdev->quirks |= HID_QUIRK_HIDINPUT_FORCE;
 
 	/* Allocate and assign driver data */
 	drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL);
-- 
2.35.1

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