Shawn Nematbakhsh adac37bf0c keyboard_scan: Support boot key recognition with stuck KSI2
For certain board configurations, KSI2 will be stuck asserted for all
scan columns if the power button is held. We must be aware of this case
in order to correctly handle recovery mode key combinations.

BUG=chrome-os-partner:54602
BRANCH=None
TEST=Manual on gru. Do three-key salute, verify EC detects recovery mode.

Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Change-Id: I03d76e1121107484f79520745858388f6cae096c
Reviewed-on: https://chromium-review.googlesource.com/357590
Commit-Ready: Shawn N <shawnn@chromium.org>
Tested-by: Shawn N <shawnn@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
2016-06-30 20:14:01 -07:00
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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