On 2015-08-19, Benjamin Tissoires <benjamin.tissoires@xxxxxxxxx> wrote: > On Tue, Aug 18, 2015 at 3:06 PM, Benjamin Tissoires > <benjamin.tissoires@xxxxxxxxx> wrote: [...] >> On Mon, Aug 17, 2015 at 10:31 PM, Nick Bowler <nbowler@xxxxxxxxxx> wrote: >>> Here is the evtest result from placing two fingers on the touchpad, >>> then pressing the left trackpoint button 10 times, counting 1 second >>> between each press. As you can see, only 3 presses and 3 release >>> events total were sent by the kernel, sometimes with many physical >>> button presses between the press and its corresponding release: >> >> OK, so this is definitively weird. My first idea would be a firmware >> problem. I have asked Chandler to reproduce it on his t450 and see if >> we observe it on our laptops too. > > Update on this one : Chandler reproduced it on the t450, so it's > likely that all of these sensors are affected. It is still unclear if > it is a firmware bug or a driver problem, but the chances are huge > that this is a firmware bug. Anyway, that's one more reason to push > towards RMI4 over SMBus for these sensors: the bug is not present with > this protocol :) Well, that sounds fortunate :) Do you still want the ps2emu-record log? I didn't have time to run it yesterday but should be able to do it this evening. Regards, Nick -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
