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ec/h8: Store PWRS and notify CPU on AC power plug/unplug events 

PWRS is is the power source gnvs.

Notifying CPU is needed to change P- and C-states on these events.

Change-Id: I0818d10474523fb14f7ba7cfbf61166b89442083
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/22931
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Arthur Heymans 2017-12-18 14:01:11 +01:00 committed by Martin Roth
parent cdecc0db4b
commit 30bba281b9
2 changed files with 6 additions and 1 deletions
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5
src/ec/lenovo/h8/acpi/ac.asl
View File

@ -29,7 +29,10 @@ Device(AC)
Method(_PSR, 0, NotSerialized) Method(_PSR, 0, NotSerialized)
{ {
return (HPAC) Store(HPAC, Local0)
Store(Local0, \PWRS)
\PNOT()
return (Local0)
} }
Method(_STA, 0, NotSerialized) Method(_STA, 0, NotSerialized)

2
src/ec/lenovo/h8/acpi/ec.asl
View File

@ -149,6 +149,7 @@ Device(EC)
Method(_Q26, 0, NotSerialized) Method(_Q26, 0, NotSerialized)
{ {
Notify (AC, 0x80) Notify (AC, 0x80)
\PNOT()
} }
/* AC status change: not present */ /* AC status change: not present */
@ -156,6 +157,7 @@ Device(EC)
{ {
Notify (AC, 0x80) Notify (AC, 0x80)
Store(0x50, EVNT) Store(0x50, EVNT)
\PNOT()
} }
Method(_Q2A, 0, NotSerialized) Method(_Q2A, 0, NotSerialized)