This might be related to https://bugzilla.kernel.org/show_bug.cgi?id=195215
Could you have the user try this change? https://bugzilla.kernel.org/show_bug.cgi?id=195215#c12 On Fri, Jun 02, 2017 at 10:54:52AM -0700, Laura Abbott wrote: > Hi, > > Fedora got a bug report https://bugzilla.redhat.com/show_bug.cgi?id=1447327 > of a touchpad failure on a Dell Latitude E7370. Testing showed that the > bad commit was > > commit e7348396c6d51b57c95c6646c390cd078e038e19 > Author: Masaki Ota <masaki....@jp.alps.com> > Date: Fri Mar 17 14:10:57 2017 -0700 > > Input: ALPS - fix V8+ protocol handling (73 03 28) > > Devices identified as E7="73 03 28" use slightly modified version of V8 > protocol, with lower count per electrode, different offsets, and different > feature bits in OTP data. > > Fixes: aeaa881f9b17 ("Input: ALPS - set DualPoint flag for 74 03 28 > devices") > Signed-off-by: Masaki Ota <masaki....@jp.alps.com> > Acked-by: Pali Rohar <pali.ro...@gmail.com> > Tested-by: Paul Donohue <linux-ker...@paulsd.com> > Tested-by: Nick Fletcher <nick.m.fletc...@gmail.com> > Cc: sta...@vger.kernel.org > Signed-off-by: Dmitry Torokhov <dmitry.torok...@gmail.com> > > I suspect this particular model needs special handling as well? > > Thanks, > Laura >
