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Isl9237 default setting sets 1.3s debounce time from ACOK assertion to switching. It's too long for EC being notified AC is present. Change the value to 150ms. BUG=none BRANCH=glados TEST=In Kunimitsu system, plug in Zinger and capture timestamp when EC receive AC_PRESENT interrupt, it's reduced by ~1.2s. Change-Id: I2b027eef816949527138f7b8b53d5408fc823093 Signed-off-by: li feng <li1.feng@intel.com> Reviewed-on: https://chromium-review.googlesource.com/326844 Commit-Ready: Li1 Feng <li1.feng@intel.com> Tested-by: Li1 Feng <li1.feng@intel.com> Reviewed-by: Shawn N <shawnn@chromium.org>
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