Date: Sat, 24 Nov 2012 14:19:29 +0100 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-hackers@freebsd.org Cc: Niclas Zeising <zeising+freebsd@daemonic.se> Subject: Re: Questions about USB, uhid, ukbd and quirks Message-ID: <201211241419.29050.hselasky@c2i.net> In-Reply-To: <50B0C395.8060809@daemonic.se> References: <50B0001C.6050202@daemonic.se> <50B0BC44.2090609@daemonic.se> <50B0C395.8060809@daemonic.se>
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On Saturday 24 November 2012 13:54:45 Niclas Zeising wrote: > 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! Could you dump the configuration descriptor of your device using usbconfig? usbconfig -d X.Y dump_curr_config_desc --HPS
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