From 30bba281b9b4330f5fadf36d187c2512f94c29e0 Mon Sep 17 00:00:00 2001 From: Arthur Heymans Date: Mon, 18 Dec 2017 14:01:11 +0100 Subject: [PATCH] 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 Reviewed-on: https://review.coreboot.org/22931 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Rudolph Reviewed-by: Stefan Reinauer --- src/ec/lenovo/h8/acpi/ac.asl | 5 ++++- src/ec/lenovo/h8/acpi/ec.asl | 2 ++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/src/ec/lenovo/h8/acpi/ac.asl b/src/ec/lenovo/h8/acpi/ac.asl index 91b9d79256..43b43d7e78 100644 --- a/src/ec/lenovo/h8/acpi/ac.asl +++ b/src/ec/lenovo/h8/acpi/ac.asl @@ -29,7 +29,10 @@ Device(AC) Method(_PSR, 0, NotSerialized) { - return (HPAC) + Store(HPAC, Local0) + Store(Local0, \PWRS) + \PNOT() + return (Local0) } Method(_STA, 0, NotSerialized) diff --git a/src/ec/lenovo/h8/acpi/ec.asl b/src/ec/lenovo/h8/acpi/ec.asl index 944858ff8f..b6121aab1a 100644 --- a/src/ec/lenovo/h8/acpi/ec.asl +++ b/src/ec/lenovo/h8/acpi/ec.asl @@ -149,6 +149,7 @@ Device(EC) Method(_Q26, 0, NotSerialized) { Notify (AC, 0x80) + \PNOT() } /* AC status change: not present */ @@ -156,6 +157,7 @@ Device(EC) { Notify (AC, 0x80) Store(0x50, EVNT) + \PNOT() } Method(_Q2A, 0, NotSerialized)