From d8b60a0f2d6b0f2fad071328aaa211a63c57c191 Mon Sep 17 00:00:00 2001 From: Sven Schnelle Date: Thu, 23 Jun 2011 13:43:52 +0200 Subject: T60: undock on external power loss If power is unplugged/lost, we should undock the docking station. The power loss can also be caused by the fact that the user removed the thinkpad from the docking station without pressing the Undock button/hotkey first. Without undocking it on this event, the thinkpad LPC switch will still connect the Docking connector, which causes crashes when docking it again. Change-Id: I9ed783e491827bde20264868eab2b3a79c232922 Signed-off-by: Sven Schnelle Reviewed-on: http://review.coreboot.org/62 Tested-by: build bot (Jenkins) --- src/ec/lenovo/h8/acpi/ec.asl | 3 +++ src/mainboard/lenovo/t60/acpi/dock.asl | 7 +++++++ 2 files changed, 10 insertions(+) diff --git a/src/ec/lenovo/h8/acpi/ec.asl b/src/ec/lenovo/h8/acpi/ec.asl index 3ba4aa9819..368afa828d 100644 --- a/src/ec/lenovo/h8/acpi/ec.asl +++ b/src/ec/lenovo/h8/acpi/ec.asl @@ -35,6 +35,8 @@ Device(EC) HSPA, 1, Offset (0x0C), LEDS, 8, /* LED state */ + Offset (0x2a), + EVNT, 8, /* write will trigger EC event */ Offset (0x3a), AMUT, 1, /* Audio Mute */ Offset (0x3B), @@ -109,6 +111,7 @@ Device(EC) Method(_Q27, 0, NotSerialized) { Notify (AC, 0x80) + Store(0x50, EVNT) } Method(_Q2A, 0, NotSerialized) diff --git a/src/mainboard/lenovo/t60/acpi/dock.asl b/src/mainboard/lenovo/t60/acpi/dock.asl index ae9d19e405..ba50609f3e 100644 --- a/src/mainboard/lenovo/t60/acpi/dock.asl +++ b/src/mainboard/lenovo/t60/acpi/dock.asl @@ -88,4 +88,11 @@ Scope(\_SB.PCI0.LPCB.EC) Notify(\_SB.DOCK, 3) } } + + Method(_Q50, 0, NotSerialized) + { + if (\_SB.DOCK._STA()) { + Notify(\_SB.DOCK, 1) + } + } } -- cgit v1.2.3