After a keyboard+trackpoint(packaged together) replacement (german -> english) on a ThinkPad E145 the trackpoint directions flipped. The evdev InvertX InvertY options in the old evdev X driver can be used to correct this. Maybe something similar can be introduced in libinput Quotes from the IRC chat with whot: < whot> that is just weird. I wonder if the bios or fw usually accounts for it < whot> yaneti: bentiss says there's nothing in the ps2 code that suggests inversion is a normal thing < yaneti> whot: oh well, thanks anyway. guess I'm shouldn't expect any reappearance of InvertX/Y in the new stack.. < whot> not as config option, we may add it through the hwdb if there's a set of devices that need it < whot> come to think of it, there *is* a set of devices, otherwise we wouldn't have the option in evdev.. < whot> yaneti: file a bug anyway so all this is archived
I'll be honest, I'm note sure this device warrants inclusion of a new option here, this seems to be a pretty unique situation. A lot of kernel drivers for touchscreens have module options to invert the device because it's relatively common for a touchscreen to be mounted the wrong way round. But I'm hesitant to add an option here for a single device with a single (known) user and then carry that option forever. We'll have to wait until we see more occurrences of this, sorry.
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