ACK / APPLIED[G]: [SRU] [F/G/Unstable/OEM-5.6] [PATCH 0/1] Fix touchpad on Lenovo ThinkBook

Seth Forshee seth.forshee at
Tue Sep 22 18:04:03 UTC 2020

On Tue, Sep 22, 2020 at 10:22:55PM +0800, Kai-Heng Feng wrote:
> BugLink:
> [Impact]
> Touchpad on sereval Lenovo ThinkBook doesn't work.
> [Fix]
> Maintain method calling ordering by calling _REG before issuing _STA, as
> ACPI spec suggested, for I2C ACPI devices.
> [Test]
> Positive feedback from several users.
> [Regression Potential]
> If there are some systems that rely on the wrong calling ordering then
> there's a regression risk. However it's rather unlikely.

Acked-by: Seth Forshee <seth.forshee at>

Applied to groovy/master-next, thanks!

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