linux-kernel - Re: [PATCH] Input: synaptics - Lenovo Carbon X1 Gen5 (2017) devices should use RMI

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Message-ID: <CAEk1YH7A3ENphMLdgdgMqyvq5CmCe3P5KpeekPpzV_4FcGUU-g@mail.gmail.com>
Date:   Mon, 21 Aug 2017 10:52:11 +0200
From:   Damjan Georgievski <gdamjan@...il.com>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     linux-input@...r.kernel.org,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Input: synaptics - Lenovo Carbon X1 Gen5 (2017) devices
 should use RMI

On 18 August 2017 at 21:34, Dmitry Torokhov <dmitry.torokhov@...il.com> wrote:
> The touchpad on Lenovo Carbon X1 Gen 5 (2017 - Kabylake) is accessible over
> SMBUS/RMI, so let's activate it by default.

the patch over latest Linus 4.13-rc5 makes the trackpoint device to
not appear after boot.

Sometimes it  spontaneuosly appears 100-200 seconds after boot.

It does appear after suspend/resume. And it does appear after `rmmod
psmouse; modprobe psmouse`.

Second issues is, trackpoint is reported as "ImPS/2 Generic Wheel
Mouse". Middle button scrolling is not enabled by default.

hardware is:
Lenovo ThinkPad X1 Carbon 5th, model 20HQS0LV00
DMI: LENOVO 20HQS0LV00/20HQS0LV00, BIOS N1MET37W (1.22 ) 07/04/2017

-- 
damjan