The new touchpad firmware uses i2c-hid instead of custom reporting
protocol. The touchpad also exposed another slave address (0x1e) for
kernel to communicate with the touchpad EC.
BUG=none
BRANCH=none
TEST=none
Change-Id: I717e1e1b5b739bef34c697e4f7ab4cb1b7593862
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 267e4a5824
Original-Change-Id: Iecaf14f7b8aed836120569e9ade9c3115bc00264
Original-Signed-off-by: Wei-Ning Huang <wnhuang@google.com>
Original-Reviewed-on: https://review.coreboot.org/19461
Original-Tested-by: build bot (Jenkins)
Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/490077
Commit-Ready: Furquan Shaikh <furquan@chromium.org>