Re: [PATCH v2 0/3] ACPI / button: Clarify initial lid state

Valdis.Kletnieks
2016-05-27T22:10:48Z

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On Fri, 27 May 2016 15:15:43 +0800, Lv Zheng said:
> The initial _LID returning value is not reliable after boot/resume because
> the BIOS vendors may implement it by returning a cached value that is only
> updated when a lid notification is received.
> This causes strange things happening after resuming. This patchset fixes
> the issue according to this fact.
>
> Lv Zheng (3):
> ACPI / button: Remove initial lid state notification
> ACPI / button: Refactor functions to eliminate redundant code
> ACPI / button: Send "open" state after boot/resume

If it sends an "open" status, what happens if the machine was in fact
suspended with lid open, but is then resumed in a dock with an external
monitor?

(I'd test it myself, but I don't have suspend/resume configured on my laptop)

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