platform/chrome: chromeos_laptop - Add Elan touchpad for Wolf

The upcoming Elan Wolf (Dell Chromebook 11) devices need to know to look
for Elan touchpads on the i2c bus so that they will be functional.

Based on the chromeos-kernel commit :
https://chromium-review.googlesource.com/198283

Signed-off-by: Charlie Mooney <charliemooney@chromium.org>
Signed-off-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Olof Johansson <olof@lixom.net>

diff --git a/drivers/platform/chrome/chromeos_laptop.c b/drivers/platform/chrome/chromeos_laptop.c
index 6ea4f1ad382aa6b48297ee54cc86814469a3b262..8398a7d964901571bcc7de90d50a26975271fe9f 100644 (file)
--- a/drivers/platform/chrome/chromeos_laptop.c
+++ b/drivers/platform/chrome/chromeos_laptop.c
@@ -461,6 +461,8 @@ static struct chromeos_laptop dell_chromebook_11 = {
        .i2c_peripherals = {
                /* Touchpad. */
                { .add = setup_cyapa_tp, I2C_ADAPTER_DESIGNWARE_0 },
+               /* Elan Touchpad option. */
+               { .add = setup_elantech_tp, I2C_ADAPTER_DESIGNWARE_0 },
        },
 };