[PATCH 3.16.y-ckt 212/216] platform/chrome: Add support for the acer c720p touchscreen.

[Luis Henriques]

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

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

From: Michael Mullin <masmullin@xxxxxxxxx>

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 <dparker@xxxxxxxxxxxx>:
https://chromium-review.googlesource.com/#/c/167136/

Signed-off-by: Michael Mullin <masmullin@xxxxxxxxx>
Reviewed-by: Benson Leung <bleung@xxxxxxxxxxxx>
Signed-off-by: Olof Johansson <olof@xxxxxxxxx>
Cc: Scot Doyle <lkml14@xxxxxxxxxxxxx>
Signed-off-by: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>
---
 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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