3.16.7-ckt4 -stable review patch.  If anyone has any objections, please let me 
know.

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

From: Michael Mullin <masmul...@gmail.com>

commit b90b3c4ae06af135e279c9a5aa1c640d22787fc4 upstream.

Add support for the acer c720p touchscreen.
Tested manually by using the touchscreen on the acer c720p-2664

Based on the following patch by Dave Parker <dpar...@chromium.org>:
https://chromium-review.googlesource.com/#/c/167136/

Signed-off-by: Michael Mullin <masmul...@gmail.com>
Reviewed-by: Benson Leung <ble...@chromium.org>
Signed-off-by: Olof Johansson <o...@lixom.net>
Cc: Scot Doyle <lkm...@scotdoyle.com>
Signed-off-by: Luis Henriques <luis.henriq...@canonical.com>
---
 drivers/platform/chrome/chromeos_laptop.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/platform/chrome/chromeos_laptop.c 
b/drivers/platform/chrome/chromeos_laptop.c
index 37fa570a7636..fd090efe5489 100644
--- a/drivers/platform/chrome/chromeos_laptop.c
+++ b/drivers/platform/chrome/chromeos_laptop.c
@@ -417,6 +417,8 @@ static struct chromeos_laptop acer_ac700 = {
 
 static struct chromeos_laptop acer_c720 = {
        .i2c_peripherals = {
+               /* Touchscreen. */
+               { .add = setup_atmel_1664s_ts, I2C_ADAPTER_DESIGNWARE_1 },
                /* Touchpad. */
                { .add = setup_cyapa_tp, I2C_ADAPTER_DESIGNWARE_0 },
                /* Light Sensor. */
-- 
2.1.4

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