On 30 October 2017 at 23:36, Chris Boot <li...@bootc.boo.tc> wrote: > Hi folks, > > I have a Lenovo ThinkPad X270 and noticed that my kernel (Debian > buster/testing stock kernel) was suggesting that my Touchpad would > benefit from having CONFIG_RMI4_SMB enabled, so I raised this Debian bug: > > https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=875621 > > This was closed today with an updated Debian kernel upload, > linux_4.13.10-1 (thanks Ben). The new kernel now says: > > Oct 30 22:13:49 muta kernel: [ 3.557065] hid-generic > 0003:1050:0407.0002: hiddev0,hidraw1: USB HID v1.10 Device [Yubico > Yubikey 4 OTP+U2F+CCID] on usb-0000:00:14.0-6/input1 > Oct 30 22:13:49 muta kernel: [ 3.574540] psmouse serio1: synaptics: > queried max coordinates: x [..5712], y [..4780] > Oct 30 22:13:49 muta kernel: [ 3.608224] psmouse serio1: synaptics: > queried min coordinates: x [1232..], y [1074..] > Oct 30 22:13:49 muta kernel: [ 3.608238] psmouse serio1: synaptics: > Your touchpad (PNP: LEN2049 PNP0f13) says it can support a different > bus. If i2c-hid and hid-rmi are not used, you might want to try setting > psmouse.synaptics_intertouch to 1 and report this to > linux-in...@vger.kernel.org. > Oct 30 22:13:49 muta kernel: [ 3.674976] psmouse serio1: synaptics: > Touchpad model: 1, fw: 8.2, id: 0x1e2b1, caps: > 0xf407a3/0x943300/0x12e800/0x410000, board id: 3075, fw id: 2477413 > Oct 30 22:13:49 muta kernel: [ 3.674997] psmouse serio1: synaptics: > serio: Synaptics pass-through port at isa0060/serio1/input0 > Oct 30 22:13:49 muta kernel: [ 3.717820] input: SynPS/2 Synaptics > TouchPad as /devices/platform/i8042/serio1/input/input2 > Oct 30 22:13:49 muta kernel: [ 4.393051] psmouse serio2: trackpoint: > IBM TrackPoint firmware: 0x0e, buttons: 3/3 > Oct 30 22:13:49 muta kernel: [ 4.620327] input: TPPS/2 IBM TrackPoint > as /devices/platform/i8042/serio1/serio2/input/input4 > > So I enabled psmouse.synaptics_intertouch=1 on my kernel command line > and voila, rmi4_smbus is used and my Touchpad is apparently much better > off for it. Great! Except I can't use my TrackPoint now, it no longer > shows up at all: > > Oct 30 22:17:20 muta kernel: [ 3.478867] psmouse serio1: synaptics: > queried max coordinates: x [..5712], y [..4780] > Oct 30 22:17:20 muta kernel: [ 3.513094] psmouse serio1: synaptics: > queried min coordinates: x [1232..], y [1074..] > Oct 30 22:17:20 muta kernel: [ 3.513098] psmouse serio1: synaptics: > Trying to set up SMBus access > Oct 30 22:17:20 muta kernel: [ 9.163140] rmi4_smbus 0-002c: > registering SMbus-connected sensor > Oct 30 22:17:20 muta kernel: [ 9.262824] rmi4_f01 rmi4-00.fn01: found > RMI device, manufacturer: Synaptics, product: TM3075-007, fw id: 2477413 > Oct 30 22:17:20 muta kernel: [ 9.375014] input: Synaptics TM3075-007 > as /devices/rmi4-00/input/input10 > > So I'm emailing both about having to enable synaptics_intertouch for my > Touchpad as instructed in dmesg, and also that enabling it makes my > TrackPoint disappear.
I had the same issue on X1 Carbon (5th gen) you need to load the » rmi_smbus « module before loading psmouse -- damjan
