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Date:   Mon,  7 Nov 2016 14:04:44 +0100
From:   Jiri Slaby <jslaby@...e.cz>
To:     stable@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Matti Kurkela <Matti.Kurkela@....fi>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 37/72] Input: elantech - force needed quirks on Fujitsu H760

From: Matti Kurkela <Matti.Kurkela@....fi>

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

===============

commit f9a703a54d16ba2470391c4b12236ee56591d50c upstream.

Just like Fujitsu CELSIUS H730, the H760 also has an Elantech touchpad with
the same quirks. Without this patch, the touchpad is useless out-of-the-box
as the mouse pointer won't move.

This patch makes the driver aware of both the crc_enabled=1 requirement and
the middle button, making the touchpad fully functional out-of-the-box.

Signed-off-by: Matti Kurkela <Matti.Kurkela@....fi>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 drivers/input/mouse/elantech.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index cbe20b0099a2..f24062ab80f6 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1389,6 +1389,13 @@ static const struct dmi_system_id elantech_dmi_force_crc_enabled[] = {
 		},
 	},
 	{
+		/* Fujitsu H760 does not work with crc_enabled == 0 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "CELSIUS H760"),
+		},
+	},
+	{
 		/* Fujitsu LIFEBOOK E554  does not work with crc_enabled == 0 */
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
@@ -1402,6 +1409,13 @@ static const struct dmi_system_id elantech_dmi_force_crc_enabled[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E544"),
 		},
 	},
+	{
+		/* Fujitsu H760 also has a middle button */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "CELSIUS H760"),
+		},
+	},
 #endif
 	{ }
 };
-- 
2.10.2

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