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c32c5571a5
Check for warm reboot before initializing ADC. Part of the initialization process involves calibration of the ADC, which can only be done when the ADC peripheral is disabled. This fixes a bug on samus_pd where jumping to RW causes a watchdog because ADC reads hang. BUG=chrome-os-partner:30079 BRANCH=none TEST=on samus_pd, without this change running sysjump rw causes us to jump to RW and then causes a watchdog. With this change sysjump rw works. Also verified that PD communication works in RW, which means ADC channels are being read correctly after jumping to RW. Change-Id: Iaa41da4795c3d15a6db56b0d715e36c29417d9b6 Signed-off-by: Alec Berg <alecaberg@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/209331 Reviewed-by: Randall Spangler <rspangler@chromium.org>