APPLIED[G]: [SRU] [Unstable/OEM-5.6] [PATCH 0/1] Fix non-working Goodix touchpad after system sleep

Seth Forshee seth.forshee at canonical.com
Wed Aug 19 20:56:20 UTC 2020


On Tue, Aug 18, 2020 at 04:43:08PM +0800, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1891998
> 
> [Impact]
> After system sleep, Goodix touchpad doesn't work anymore.
> 
> [Fix]
> Add a delay after issuing SET_POWER_ON command.
> 
> [Test]
> With the patch applied, Goodix touchpad still works after system sleep.
> 
> [Regression Potential]
> The original delay between SET_POWER_ON and RESET was increaed to 60ms,
> so the the driver becomes much more forgiving on power management. Hence
> I am not seeing any major potential regression risk here.

Applied to groovy/master-next, thanks!



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