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. -- Dmitry -- 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
