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SubjectRe: [4.12 regression] Thinkpad X250 Touchpad and Trackpoint not recognized anymore; commit e839ffa: "Input: synaptics - add support for Intertouch devices"
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> 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)


Thanks,
Pascal


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