ACK / APPLIED[E/Unstable]: [SRU] [B/D/E/Unstable] [PATCH 0/5] Fix Goodix touchpad may drop first input event

Seth Forshee seth.forshee at
Tue Aug 20 21:13:57 UTC 2019

On Wed, Aug 14, 2019 at 02:56:49AM +0800, Kai-Heng Feng wrote:
> BugLink:
> [Impact]
> If a touchpad is connected to Intel LPSS PCI device, sometimes the first
> tap event can be dropped. Goodix touchpad has a rather small buffer so
> the time its parent devices spend in resuming need to be small.
> [Fix]
> Remove Intel LPSS D3cold delay, which is the bottleneck of the
> situation.
> [Test]
> Intel had tested the patch and the result is positive.
> [Regression Potential]
> Low. Intel internally tested this so it should be rather safe.

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

Applied to eoan/master-next and unstable/master, thanks!

More information about the kernel-team mailing list