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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org,
        Vittorio Gambaletta <linuxbugs@vittgam.net>,
        Salvatore Bellizzi <lkml@seppia.net>,
        Guenter Roeck <groeck@chromium.org>,
        Dmitry Torokhov <dmitry.torokhov@gmail.com>
Subject: [PATCH 4.4 18/56] Input: atmel_mxt_ts - add touchpad button mapping for Samsung Chromebook Pro
Date:   Mon, 14 May 2018 08:48:23 +0200
Message-Id: <20180514064756.737313511@linuxfoundation.org>
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4.4-stable review patch.  If anyone has any objections, please let me know.

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

From: Vittorio Gambaletta (VittGam) <linuxbugs@vittgam.net>

commit f372b81101e6895252298e563d634d5e44ae81e7 upstream.

This patch adds the correct platform data information for the Caroline
Chromebook, so that the mouse button does not get stuck in pressed state
after the first click.

The Samus button keymap and platform data definition are the correct
ones for Caroline, so they have been reused here.

Signed-off-by: Vittorio Gambaletta <linuxbugs@vittgam.net>
Signed-off-by: Salvatore Bellizzi <lkml@seppia.net>
Tested-by: Guenter Roeck <groeck@chromium.org>
Cc: stable@vger.kernel.org
[dtor: adjusted vendor spelling to match shipping firmware]
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/input/touchscreen/atmel_mxt_ts.c |    9 +++++++++
 1 file changed, 9 insertions(+)

--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -2523,6 +2523,15 @@ static const struct dmi_system_id mxt_dm
 		.driver_data = samus_platform_data,
 	},
 	{
+		/* Samsung Chromebook Pro */
+		.ident = "Samsung Chromebook Pro",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Google"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Caroline"),
+		},
+		.driver_data = samus_platform_data,
+	},
+	{
 		/* Other Google Chromebooks */
 		.ident = "Chromebook",
 		.matches = {