BD99955 DCDC wiil turn off Vsys voltage under VSYSVAL_THL_SET
or VREF_BAT<VBAT if Charging Voltage set under actual battery
voltage or VSYSVAL_THL_SET.
BUG=chrome-os-partner:53777
BRANCH=none
TEST=boot-up without battery. using zinger or oem supplier
used kevin rev2, rev3
Change-Id: I03c5c52790b2d481be3fa942054516fbefa3ce98
Signed-off-by: Wonjoon Lee <woojoo.lee@samsung.com>
Reviewed-on: https://chromium-review.googlesource.com/348563
Reviewed-by: Shawn N <shawnn@chromium.org>