Change in ...coreboot[master]: ec/lenovo/h8: Add function to query sense state

[Patrick Rudolph (Code Review)]

Patrick Rudolph has uploaded a new patch set (#3) to the change originally created by Patrick Rudolph. ( https://review.coreboot.org/c/coreboot/+/29204 )

Change subject: ec/lenovo/h8: Add function to query sense state
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ec/lenovo/h8: Add function to query sense state

* Add function to wait for sense registers to become valid.
* Add function to retrieve Fn-Key state.

Tested on Lenovo T500:
* It takes about 700msec for the registers to become valid.

Tested on Lenovo T520:
* It takes less than 150msec for the registers to become valid.

Change-Id: Ie27e2881a256c4efb3def11f05070c446db6e5fc
Signed-off-by: Patrick Rudolph 
---
M src/ec/lenovo/h8/Makefile.inc
M src/ec/lenovo/h8/h8.c
M src/ec/lenovo/h8/h8.h
A src/ec/lenovo/h8/sense.c
4 files changed, 66 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/04/29204/3