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If the sn5s330 PPC is being used to detect VBUS presence (CONFIG_USB_PD_VBUS_DETECT_PPC), then enable interrupts and call usb_charger_vbus_change when VBUS_GOOD changes. BUG=b:72007153,b:72007492 BRANCH=none TEST=Connect 3A and 1A USB-A chargers to each of Grunt's USB-C ports, check that BC1.2 detection is working: With 1A: > chgsup port=0/1, type=7, cur=500mA, vtg=5000mV, lsm=1 With 3A: > chgsup port=0/1, type=7, cur=2400mA, vtg=5000mV, lsm=1 TEST=Boot Grunt to OS, then connect USB2 mouse or USB3 flash drive to each of Grunt's USB-C ports. Devices do not work due to b:71772180, but gpioget shows EC is setting USB_C0/1_BC12_VBUS_ON_L correctly. Change-Id: Iffc352105a321997adb364b9fbb8bafef248c224 Signed-off-by: Edward Hill <ecgh@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/887938 Reviewed-by: Jett Rink <jettrink@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