On Wed, Mar 16, 2016 at 02:59:48PM -0700, Andy Lutomirski wrote: > [add i2c-designware maintainers] > > On Wed, Mar 16, 2016 at 1:47 AM, Benjamin Tissoires <btissoir@xxxxxxxxxx> wrote: > > Hi Andy, > > > > On Mar 15 2016 or thereabouts, Andy Lutomirski wrote: > >> Hi- > >> > >> In 4.5 and several 4.5 rcs, I see occasional stuck taps (I think) on > >> my XPS 13 9350's touchpad. The effect is that trying to left-click > >> ends up middle-clicking. I think it's a kernel issue and not a > >> hardware or libinput issue, but I'm not 100% sure. I don't think I > >> had this issue in 4.4. > >> > >> I've attached what I think is an evtest issue of my fixing the issue > >> by pressing three fingers down in sequence and then releasing them. > >> After doing that, left-clicks worked. > > > > I think I already have been reported the issue here: > > https://bugs.freedesktop.org/show_bug.cgi?id=93948 > > > > The result was that it was more likely an I2C transport bug than a > > hid-multitouch one (see comment #8 in the fdo bug). > > > > You can try to run hid-recorder when you see the problems, and then > > parse the output (or just send it to me). There is huge chances that > > there will be no events from I2C sending the release. > > > > And again, I am not sure how we could end up debugging this in the > > i2c-designware driver :( > > > > Does this ring a bell? i2c-designware usually prints errors to dmesg if it fails to transfer messages. Can you include dmesg of the failure as well? -- 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
