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if CONFIG_USB_PD_TCPM_VBUS is enabled, a race condition may happen: In function pd_set_input_current_limit() and typec_set_input_current_limit(), EC may notify AP power change event before PD send the up-to-date POWER_STATUS TCPC alert to EC. It will cause the AP get the stale power status. Move the power change event notification to board_set_charge_limit(), it will be called after EC receives POWER_STATUS TCPC alert, and sending power change event notification only if the "charge limit" or "charge port" or supplier is changed. BUG=chrome-os-partner:48801 BRANCH=none TEST=make buildall -j; Tested on Oak by plug/unplug AC adapter to type-C ports and verify the UI battery icon shows the correct status instantly. Change-Id: I52f0e268fdebc45e609d843847540ae48cd0a9eb Signed-off-by: Ben Lok <ben.lok@mediatek.com> Reviewed-on: https://chromium-review.googlesource.com/320066 Reviewed-by: Rong Chang <rongchang@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