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chromeec: Implement full battery workaround at 6% 

Currently the workaround for indicating a "full" battery kicks
in at 3%, but this turns out to be too high for some devices.
So move the workaround start point to 6% from full, or 94%.

Change-Id: Ib4305df3a68e89f3a10a096d0e89d8105ea9037b
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/169549
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
(cherry picked from commit 982dc496a0553c90dee56fda6411b7c21a5d7da9)
Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com>
Reviewed-on: http://review.coreboot.org/6521
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
This commit is contained in:
Duncan Laurie 2013-09-16 14:22:57 -07:00 committed by Isaac Christensen
parent 5b10fc5242
commit 3bb40b93f8
1 changed files with 2 additions and 2 deletions
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4
src/ec/google/chromeec/acpi/battery.asl
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@ -210,8 +210,8 @@ Device (BAT0)
// https://bugzilla.kernel.org/show_bug.cgi?id=12632
Store (BTDF, Local2)
// See if within ~3% of full
ShiftRight (Local2, 5, Local3)
// See if within ~6% of full
ShiftRight (Local2, 4, Local3)
If (LAnd (LGreater (Local1, Subtract (Local2, Local3)),
LLess (Local1, Add (Local2, Local3))))
{