4.12.10 contains this commit: commit 38c36f9d1fca5b5e6d2d1be13ab82d1ce714e4b1 Author: Aaron Ma <aaron...@canonical.com> Date: Fri Aug 18 12:17:21 2017 -0700
Input: trackpoint - add new trackpoint firmware ID commit ec667683c532c93fb41e100e5d61a518971060e2 upstream. Synaptics add new TP firmware ID: 0x2 and 0x3, for now both lower 2 bits are indicated as TP. Change the constant to bitwise values. This makes trackpoint to be recognized on Lenovo Carbon X1 Gen5 instead of it being identified as "PS/2 Generic Mouse". Signed-off-by: Aaron Ma <aaron...@canonical.com> Signed-off-by: Dmitry Torokhov <dmitry.torok...@gmail.com> Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org> This issue should be that stable-kernel lack this commit: commit 293b915fd9bebf33cdc906516fb28d54649a25ac Author: Oscar Campos <oscar.cam...@member.fsf.org> Date: Tue Jul 18 17:20:36 2017 -0700 Input: trackpoint - assume 3 buttons when buttons detection fails Trackpoint buttons detection fails on ThinkPad 570 and 470 series, this makes the middle button of the trackpoint to not being recogized. As I don't believe there is any trackpoint with less than 3 buttons this patch just assumes three buttons when the extended button information read fails. Signed-off-by: Oscar Campos <oscar.cam...@member.fsf.org> Acked-by: Peter Hutterer <peter.hutte...@who-t.net> Signed-off-by: Dmitry Torokhov <dmitry.torok...@gmail.com> Please try 4.13.0 kernel, not stable branch, this will make middle button work. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1715271 Title: Middle button of trackpoint doesn't work To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1715271/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs