Messages in this thread | | | Subject | Re: [PATCH 1/2] Input: synaptics-rmi4 - clear irqs before set irqs | From | Aaron Ma <> | Date | Tue, 11 Jun 2019 00:55:58 +0800 |
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On 6/10/19 12:55 AM, Dmitry Torokhov wrote: > Hi Aaron, > > On Wed, Feb 20, 2019 at 05:41:59PM +0100, Aaron Ma wrote: >> rmi4 got spam data after S3 resume on some ThinkPads. >> Then TrackPoint lost when be detected by psmouse. >> Clear irqs status before set irqs will make TrackPoint back. > Could you please give me an idea as to what this spam data is? >
It should be some data 0 during suspend/resume. Actually I don't know how these data 0 is produced. Not all synaptics touchpads have this issue.
> In F03 probe we clear all pending data before enabling the function,
Yes we did, but not after resume.
> maybe the same needs to be done on resume, instead of changing the way > we handle IRQ bits?
This patch is supposed to clear irq status like it in fn probe. Not changing IRQ bits.
Thanks, Aaron
> > Thanks, > > -- Dmitry >
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