Messages in this thread | ![/](/images/icornerl.gif) | | Date | Tue, 27 Jun 2017 09:53:05 +0200 | From | Benjamin Tissoires <> | Subject | Re: [PATCH] Input: synaptics - switch t460s 20FN to use RMI4 over SMBus |
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On Jun 26 2017 or thereabouts, Benjamin Tissoires wrote: > On Jun 26 2017 or thereabouts, Christopher Bachner wrote: > > Hello, > > > > I am assuming that if the inertouch message is not showing up in dmesg, > > then it is working. Is that a correct assumption? > > > > Either way I also attached my dmesg. > > > > I am not sure, though, why the scroll mode still freezes if I move the my > > fingers quickly on the touchpad while also using the trackpoint. Is that > > maybe a future fix and this change is just the foundation for it? Overall > > the usage of the trackpoint is better now for sure. > > Sadly, you are also hit by: > [ 6.355378] i801_smbus 0000:00:1f.4: BIOS is accessing SMBus registers > [ 6.355380] i801_smbus 0000:00:1f.4: Driver SMBus register access inhibited > > Which disables entirely the RMI4 over SMBus module. And then we can not > probe for it, meaning you are stuck with the PS/2 crappy mode. > > We are aware of this bug and we'll try to fix that. I think the test you > provides are valid (the patch works as expected), but a different bug > prevents rmi-smbus to fully initialize the touchpad :(
Could you try applying Lyude's patch: http://patchwork.ozlabs.org/patch/780865/ (on top of mine, of course).
In the dmesg, you should see a Synaptics TMXXXX device appearing after trying to set up the SMBus companion.
Cheers, Benjamin
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