Questions about USB, uhid, ukbd and quirks

[Niclas Zeising]

On 11/24/12 13:23, Niclas Zeising wrote:
> On 11/24/12 13:17, Hans Petter Selasky wrote:
>> On Saturday 24 November 2012 12:13:49 Hans Petter Selasky wrote:
>>> On Saturday 24 November 2012 00:00:44 Niclas Zeising wrote:
>>>> Hi!
>>>> I have a couple of questions about USB.
>>>> I recently bought a new USB keyboard, a Logitech K120. When attaching
>>>> this to a FreeBSD system, however, it is detected as a hid device
>>>> (attaching to uhid) rather than a keyboard (attaching to ukbd). The
>>>> keyboard works fine, but I'm just curious as to why it doesn't use
>>>> ukbd.
>>>
>>>> The output from usbconfig for this keyboard is:
>>> Hi,
>>>
>>> It seems the UHID driver needs to be synced with UMS and UKBD
>>> regarding the
>>> detection logic. Can you try the attached patch and report back.
>>>
>>> --HPS
>>
>> One more thing to check:
>>
>> /etc/devd/usb.conf
>>
>> Is perhaps auto-loading uhid before ukbd, and that might also be part
>> of the
>> issue.
>>
>
> Hi!
> Having ukbd in the kernel, and not uhid, makes uhid load as a module
> during boot and attach to the keyboard, even with your patch. I'm
> recompiling the kernel now with uhid as part of the kernel to see if it
> makes a difference. I'm not too confortable hacking /etc/devd/usb.conf,
> but if you can point me in the right direction I'll have a go at it.
> Regards!

Having uhid in the kernel did not make a difference, it attached to the 
keyboard (or rather, the keyboard attached to the uhid driver, I guess).
Regards!
-- 
Niclas