From: Dmitry Torokhov <dmitry.torokhov@gmail.com>

This patch has been added to the 3.18 stable tree. If you have any
objections, please let us know.

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

[ Upstream commit 226ba707744a51acb4244724e09caacb1d96aed9 ]

The touchpad in HP Pavilion 14-ab057ca reports it's version as 12 and
according to Elan both 11 and 12 are valid IC types and should be
identified as hw_version 4.

Reported-by: Patrick Lessard <redacted>
Tested-by: Patrick Lessard <redacted>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Sasha Levin <redacted>
---
 drivers/input/mouse/elantech.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index c241a69..8c96490 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c

@@ -1550,13 +1550,7 @@ static int elantech_set_properties(struct elantech_data *etd)
 		case 5:
 			etd->hw_version = 3;
 			break;
-		case 6:
-		case 7:
-		case 8:
-		case 9:
-		case 10:
-		case 13:
-		case 14:
+		case 6 ... 14:
 			etd->hw_version = 4;
 			break;
 		default:

-- 
2.5.0