tree 81e75bcb1edd4de748ad9132a2b3b9faf269ce1a
parent 0a5f24a81a5034e6f39566736504ae06343a580a
author Charles Wang <charles.goodix@gmail.com> 1520281997 +0800
committer chrome-bot <chrome-bot@chromium.org> 1522648999 -0700

Add Goodix touchscreen FW updater script

This CL adds touchscreen firmware updater script for Goodix touch
controller. This script read active firmware information form
/dev/hidrawX and compares it will the firmware on disk, if the product
id is equal and firmware version not equal than it will do firmware
update or roll back otherwise print the firmware info and exit.

CQ-DEPEND=CL:948582
BUG=chromium:815399
TEST=Tested on retrofitted device including a Goodix touchscreen with
i2c-hid driver.

Change-Id: I02af2208df36e51b93e207111e23814a1656f8f9
Reviewed-on: https://chromium-review.googlesource.com/948663
Commit-Ready: Charles Wang <charles.goodix@gmail.com>
Tested-by: Charles Wang <charles.goodix@gmail.com>
Reviewed-by: Jingkui Wang <jkwang@google.com>
Reviewed-by: Mike Frysinger <vapier@chromium.org>