linux-kernel - [PATCH] Input: ALPS - add support for 73 03 28 devices (Thinkpad L570)

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Message-ID: <7d5077ef-c185-c6b1-d602-df8d9f7dade3@secunet.com>
Date:   Fri, 23 Mar 2018 15:23:55 +0100
From:   Dennis Wassenberg <dennis.wassenberg@...unet.com>
To:     Pali Rohár <pali.rohar@...il.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Masaki Ota <masaki.ota@...alps.com>,
        "Takashi Iwai" <tiwai@...e.de>, Kees Cook <keescook@...omium.org>,
        Nir Perry <nirperry@...il.com>
CC:     <linux-input@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] Input: ALPS - add support for 73 03 28 devices (Thinkpad
 L570)

The Lenovo Thinkpad L570 uses V8 protocol.
Add 0x73 0x03 0x28 devices to use V8 protovol which makes
trackstick and mouse buttons work with Lenovo Thinkpad L570.

Signed-off-by: Dennis Wassenberg <dennis.wassenberg@...unet.com>
---
 drivers/input/mouse/alps.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index dbe57da..5523d4e 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -136,6 +136,8 @@
 	{ { 0x73, 0x02, 0x0a }, { ALPS_PROTO_V2, 0xf8, 0xf8, 0 } },
 	{ { 0x73, 0x02, 0x14 }, { ALPS_PROTO_V2, 0xf8, 0xf8, ALPS_FW_BK_2 } },			/* Ahtec Laptop */
 	{ { 0x73, 0x02, 0x50 }, { ALPS_PROTO_V2, 0xcf, 0xcf, ALPS_FOUR_BUTTONS } },		/* Dell Vostro 1400 */
+	{ { 0x73, 0x03, 0x28 }, { ALPS_PROTO_V8, 0x18, 0x18,
+		ALPS_DUALPOINT | ALPS_DUALPOINT_WITH_PRESSURE | ALPS_BUTTONPAD } },		/* Lenovo L570 */
 };
 
 static const struct alps_protocol_info alps_v3_protocol_data = {
-- 
1.9.1