ASUS ZenBook UX305CA Trackpad: psm0: unable to allocate IRQ

[Malcolm Matalka]

Matthias Apitz <guru at unixarea.de> writes:

> El día Wednesday, July 06, 2016 a las 05:47:38AM +0000, Malcolm Matalka escribió:
>
>> > in your case, have your tried to kldload the cyapa.ko and does this give
>> > a device /dev/cyapa0 ? If it does, it will work with moused or X11
>> > via HAL. If not, try to figure out first what is installed in your
>> > laptop.
>> >
>> > 	matthias
>> 
>> Does that driver come with 10.3?  I cannot seem to load it and I don't
>> see it a tall and a I don't see a pkg search hit.  Do I have to compile
>> it manually?
>
> The cyapa.ko driver should be in /boot/kernel/cyapa.ko , at least it is
> there in CURRENT; dont know if it was backported to 10.3;
>
> I prepared a KNOPPIX 7.6.1 USB boot key (KNOPPIX is Debian based) and
> can now see what Linux thinks/sees of the hardware. On my C720 where the
> cyapa driver works fine it says in dmesg:
>
>
> ...
> [   18.015735] __add_probed_i2c_device failed to register device 2-4a
> [   18.016316] __add_probed_i2c_device failed to register device 2-44
> [   18.234966] input: Cypress APA Trackpad (cyapa) as /devices/pci0000:00/0000:00:15.1/i2c-1/1-0067/input/input13
> [   18.238541] __add_probed_i2c_device failed to register device 2-4a
> [   18.239115] __add_probed_i2c_device failed to register device 2-44
> [   18.324795] usb 1-4: new full-speed USB device number 5 using xhci_hcd
> [   18.500151] usb 1-4: string descriptor 0 read error: -22
> [   18.500160] usb 1-4: New USB device found, idVendor=0489, idProduct=e056
> [   18.500164] usb 1-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
> [   18.502328] __add_probed_i2c_device failed to register device 2-4a
> [   18.502332] chromeos_laptop_probe: Ran out of tries for device.
> [   18.502900] __add_probed_i2c_device failed to register device 2-44
> [   18.502902] chromeos_laptop_probe: Ran out of tries for device.
> ...
>
> I will do the same in the evening with the C720 which was
> changed/repaired by Acer... You should do something like this too, or
> with OpenBSD.
>
> 	matthias

I finally got a chance to spin up an Ubuntu instance on this laptop.
The touchpad worked great, the output from dmesg is that it's an i2c
Elantech Touchpad.

I guess I have to figure out what driver to port from Linux to get into
FreeBSD?  Any tips?

Thanks,
/Malcolm