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authorWisley Chen <wisley.chen@quantatw.com>2017-01-18 10:47:37 +0800
committerMartin Roth <martinroth@google.com>2017-01-20 17:22:14 +0100
commitbf68f2286c4850f175a3ea350ebfa67a463f3f33 (patch)
tree805a8c4f26c15bea6640e730fb6bd8e4d37aad3a /util/msrtool/sys.c
parent32997fb0bcb9f4183789331a91fd83138776b96f (diff)
google/snappy: Use exported GPIOs and ACPI regulator for touchscreen
ELAN touchscreen device expects firmware to export GPIOs and ACPI regulators for managing power to the device. Thus, provide the required ACPI elements for OS driver to properly manage this device. BUG=None BRANCH=None TEST=Verified that touchscreen works properly on boot-up and after suspend/resume. Change-Id: I78e0c35f60289afe338d140d90784a433ca534ae Signed-off-by: Wisley Chen <wisley.chen@quantatw.com> Reviewed-on: https://review.coreboot.org/18163 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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