linux-kernel - [PATCH AUTOSEL 4.14 5/5] HID: ite: Add USB id match for Acer SW5-012 keyboard dock

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Message-Id: <20200124011801.18712-5-sashal@kernel.org>
Date:   Thu, 23 Jan 2020 20:18:01 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Hans de Goede <hdegoede@...hat.com>, Jiri Kosina <jkosina@...e.cz>,
        Sasha Levin <sashal@...nel.org>, linux-input@...r.kernel.org
Subject: [PATCH AUTOSEL 4.14 5/5] HID: ite: Add USB id match for Acer SW5-012 keyboard dock

From: Hans de Goede <hdegoede@...hat.com>

[ Upstream commit 8f18eca9ebc57d6b150237033f6439242907e0ba ]

The Acer SW5-012 2-in-1 keyboard dock uses a Synaptics S91028 touchpad
which is connected to an ITE 8595 USB keyboard controller chip.

This keyboard has the same quirk for its rfkill / airplane mode hotkey as
other keyboards with the ITE 8595 chip, it only sends a single release
event when pressed and released, it never sends a press event.

This commit adds this keyboards USB id to the hid-ite id-table, fixing
the rfkill key not working on this keyboard.

Signed-off-by: Hans de Goede <hdegoede@...hat.com>
Signed-off-by: Jiri Kosina <jkosina@...e.cz>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/hid/hid-ids.h | 1 +
 drivers/hid/hid-ite.c | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 1e2e6e58256ad..9d372fa7c298c 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -1024,6 +1024,7 @@
 #define USB_DEVICE_ID_SYNAPTICS_LTS2	0x1d10
 #define USB_DEVICE_ID_SYNAPTICS_HD	0x0ac3
 #define USB_DEVICE_ID_SYNAPTICS_QUAD_HD	0x1ac3
+#define USB_DEVICE_ID_SYNAPTICS_ACER_SWITCH5_012	0x2968
 #define USB_DEVICE_ID_SYNAPTICS_TP_V103	0x5710
 
 #define USB_VENDOR_ID_TEXAS_INSTRUMENTS	0x2047
diff --git a/drivers/hid/hid-ite.c b/drivers/hid/hid-ite.c
index 98b059d79bc89..2ce1eb0c92125 100644
--- a/drivers/hid/hid-ite.c
+++ b/drivers/hid/hid-ite.c
@@ -43,6 +43,9 @@ static int ite_event(struct hid_device *hdev, struct hid_field *field,
 static const struct hid_device_id ite_devices[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ITE, USB_DEVICE_ID_ITE8595) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_258A, USB_DEVICE_ID_258A_6A88) },
+	/* ITE8595 USB kbd ctlr, with Synaptics touchpad connected to it. */
+	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS,
+			 USB_DEVICE_ID_SYNAPTICS_ACER_SWITCH5_012) },
 	{ }
 };
 MODULE_DEVICE_TABLE(hid, ite_devices);
-- 
2.20.1