Re: [4.12 regression] Thinkpad X250 Touchpad and Trackpoint not recognized anymore; commit e839ffa: "Input: synaptics - add support for Intertouch devices"
From: Dmitry Torokhov
Date: Fri May 19 2017 - 16:23:15 EST
On Fri, May 19, 2017 at 09:37:32PM +0200, Pascal Wichmann wrote:
> > Do you have i801_smbus driver enabled and loaded?
>
> I have the following line in my kernel configuration:
>
> > CONFIG_I2C_I801=m
>
> Following i2c/smbus-related modules are loaded:
>
> > lsmod | grep i2c
> :(
> > i2c_smbus 16384 0
> > i2c_i801 24576 0
> > i2c_algo_bit 16384 1 i915
>
> lshw has the following output specifying i801_smbus as driver:
>
> > *-serial
> > description: SMBus
> > product: Wildcat Point-LP SMBus Controller
> > vendor: Intel Corporation
> > physical id: 1f.3
> > bus info: pci@0000:00:1f.3
> > version: 03
> > width: 64 bits
> > clock: 33MHz
> > configuration: driver=i801_smbus latency=0
> > resources: irq:18 memory:f1238000-f12380ff ioport:efa0(size=32)
Hmm, what about rmi_core and rmi_smbus? It might be quicker if you send
your dmesg, .config and lsmod...
Thanks.
--
Dmitry