Nicolas Boichat 5b8b06e976 hammer: Switch trackpad I2C to 400 kHz, decrease EP interval to 2ms
These 2 changes improve the measured touchpad drag latency.

BRANCH=none
BUG=b:35587172
TEST=Measure improved latency with WALT.
TEST=Using CONFIG_TRACE, look at output.

Change-Id: Ibeb90f6f92423e82100f17df79b2f20d90abfeb7
Reviewed-on: https://chromium-review.googlesource.com/450980
Commit-Ready: Nicolas Boichat <drinkcat@chromium.org>
Tested-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Charlie Mooney <charliemooney@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
2017-03-07 11:57:01 -08:00
2016-11-10 21:28:33 -08:00
2012-05-11 09:11:52 -07:00
2014-04-02 19:58:53 +00:00
2015-12-08 20:05:05 -08:00

For an overview of the Embedded Controller firmware, refer to

http://www.chromium.org/chromium-os/2014-firmware-summit

For instructions on building from source, refer to

http://www.chromium.org/chromium-os/ec-development/getting-started-building-ec-images-quickly
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