Re: PS/2 port on USB Keyboard

[Vojtech Pavlik <vojtech@suse.cz>]

On Wed, Dec 05, 2001 at 09:04:20PM +0100, Emmanuele Bassi wrote:
> Hi everyone,
> 
> I have an USB Keyboard from BTC[1], with an onboard PS/2 mouse port.
> When I use one of the mouse' buttons, the kernel complaints (with
> a .warn):
> 
> keyboard.c: can't emulate rawmode for keycode 27[2-4]
> 
> The keycode depends on which mouse button I press (272 for the left,
> 273 for the right and 274 for the middle one). While I'm using the mouse
> under X11, this warning goes straight into the logs, but while I'm
> under the console, this warning scramble up everything. A possible
> workaround is to disable every kernel.warn directed (via syslog) to the
> console, but, for obvious reasons, I'd like to keep this as a "last
> resort" option.
> 
> While looking inside the source code for the Keyboard HID driver, I've
> noticed that only the Mac driver enables mouse button emulation. Since
> I'm no kernel hacker, my question is: could someone work on a possible
> patch?

Comment the message out in drivers/input/keybdev.c ...

> 
> TIA & best regards,
>  Emmanuele.
> 
> +++
> 
> wolverine:~# cat /proc/bus/usb/devices
> T:  Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#=  1 Spd=12  MxCh= 2
> B:  Alloc=217/900 us (24%), #Int=  2, #Iso=  0
> D:  Ver= 1.00 Cls=09(hub  ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
> P:  Vendor=0000 ProdID=0000 Rev= 0.00
> S:  Product=USB UHCI-alt Root Hub
> S:  SerialNumber=6400
> C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr=  0mA
> I:  If#= 0 Alt= 0 #EPs= 1 Cls=09(hub  ) Sub=00 Prot=00 Driver=hub
> E:  Ad=81(I) Atr=03(Int.) MxPS=   8 Ivl=255ms
> T:  Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=1.5 MxCh= 0
> D:  Ver= 1.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
> P:  Vendor=046e ProdID=6782 Rev=21.10
> S:  Manufacturer=BTC
> S:  Product=USB Keyboard and Mouse
> 
> wolverine:~# usbmodules --device /proc/bus/usb/001/002
> hid
> 
> 
> -- 
> Emmanuele Bassi (Zefram)               [ http://digilander.iol.it/ebassi ]
> GnuPG Key fingerprint = 4DD0 C90D 4070 F071 5738  08BD 8ECC DB8F A432 0FF4

-- 
Vojtech Pavlik
SuSE Labs