From bf87ade0dd7f8cf19dac4d3161d5e86abe0c062b Mon Sep 17 00:00:00 2001
From: Adam Wong <adam@adamwong.me>
Date: Thu, 29 Nov 2018 10:04:35 -0800
Subject: [PATCH] Input: elan_i2c - add support for ELAN0621 touchpad
Git-commit: bf87ade0dd7f8cf19dac4d3161d5e86abe0c062b
Patch-mainline: v4.20-rc6
References: bsc#1051510

Added the ability to detect the ELAN0621 touchpad found in some Lenovo
laptops.

Signed-off-by: Adam Wong <adam@adamwong.me>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/input/mouse/elan_i2c_core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index 99227807a584..1428de803d2d 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -1349,6 +1349,7 @@ static const struct acpi_device_id elan_acpi_id[] = {
 	{ "ELAN061C", 0 },
 	{ "ELAN061D", 0 },
 	{ "ELAN0620", 0 },
+	{ "ELAN0621", 0 },
 	{ "ELAN0622", 0 },
 	{ "ELAN1000", 0 },
 	{ }
-- 
2.19.2