On Fri, Mar 28, 2014 at 12:09 PM, Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> wrote: > On Fri, Mar 28, 2014 at 01:29:50AM -0700, Dmitry Torokhov wrote: >> On Fri, Mar 07, 2014 at 10:49:24AM -0500, Benjamin Tissoires wrote: >> > The new Lenovo Haswell series (-40's) contains a new Synaptics touchpad. >> > However, these new Synaptics devices report bad axis ranges. >> > Under Windows, it is not a problem because the Windows driver uses RMI4 >> > over SMBus to talk to the device. Under Linux, we are using the PS/2 >> > fallback interface and it occurs the reported ranges are wrong. >> > >> > Of course, it would be too easy to have only one range for the whole >> > series, each touchpad seems to be calibrated in a different way. >> > >> > We can not use SMBus to get the actual range because I suspect the firmware >> > will switch into the SMBus mode and stop talking through PS/2 (this is the >> > case for hybrid HID over I2C / PS/2 Synaptics touchpads). >> > >> > So as a temporary solution (until RMI4 land into upstream), start a new >> > list of quirks with the min/max manually set. >> > >> > Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx> >> > CC: stable@xxxxxxxxxxxxxxx >> >> >> Applied, thank you. > > That was giving compiler errors when configured without synaptics > support so I had fiddle with the patch a bit. I'll take full > responsibility for any breakage ;) > Thanks for fixing it. Tested and approved by myself, so no breakage to report here :) BTW, I have to send out also the min/max for the new X1 Carbon and the Yoga (not the 2)... I am wondering how to make sure the kernel will discriminate the Yoga from the Yoga 2 now :/ I'll come back as soon as I can. Cheers, Benjamin -- 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
