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mb/lenovo/x201: Support undock button on X200 ultrabase 

Only the ACPI code needs to be extended, as smihandler.c already
supported it. The _Q50 Method is just _Q18 with changed name.

On Linux, pressing the undock button does nothing, so the only safe
way to undock is to press Fn+F9. With this patch, when the undock
button is pressed, the green LED lights up, and undocking is safe.

Change-Id: Iaaecad031bb1f39dd1a778d0c8eaea6bce9e0f57
Signed-off-by: Maciej Matuszczyk <maccraft123mc@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38446
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Mimoja <coreboot@mimoja.de>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Maciej Matuszczyk 2020-01-16 10:11:01 +01:00 committed by Patrick Georgi
parent 302951d9c3
commit d76947f13b
1 changed files with 5 additions and 0 deletions
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5
src/mainboard/lenovo/x201/acpi/dock.asl
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@ -60,6 +60,11 @@ Scope(\_SB.PCI0.LPCB.EC)
Notify(\_SB.DOCK, 3) Notify(\_SB.DOCK, 3)
} }
Method(_Q50, 0, NotSerialized)
{
Notify(\_SB.DOCK, 3)
}
Method(_Q58, 0, NotSerialized) Method(_Q58, 0, NotSerialized)
{ {
Notify(\_SB.DOCK, 0) Notify(\_SB.DOCK, 0)