Re: appletouch vs. usbhid

[Pete Zaitcev <zaitcev@redhat.com>]

On Sat, 30 Sep 2006 22:17:39 -0400, Dmitry Torokhov <dtor@insightbb.com> wrote:
> On Saturday 30 September 2006 17:20, Pete Zaitcev wrote:

> > A user filed a bug here which seems to indicate that hid lacks needed
> > exclusions for Apple pointers:
> >  https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=208721
> > Do you think we should be adding QUIRK_IGNORE for these?
> 
> Yes, I think we should.
> 
> > Perhaps conditional on CONFIG_USB_APPLETOUCH?
> 
> No, I think we should just do that unconditionally and have users select
> appletouch driver.

The reporter sent /proc/bus/usb/devices, and the situation seems
clearer now. Perhaps this explains why authors of appletouch didn't
add exclusions themselves.

T:  Bus=01 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#=  4 Spd=12  MxCh= 0
D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs=  1
P:  Vendor=05ac ProdID=0218 Rev= 0.64
S:  Manufacturer=Apple Computer
S:  Product=Apple Internal Keyboard / Trackpad
C:* #Ifs= 3 Cfg#= 1 Atr=a0 MxPwr= 40mA
I:  If#= 0 Alt= 0 #EPs= 1 Cls=03(HID  ) Sub=01 Prot=01 Driver=usbhid
E:  Ad=83(I) Atr=03(Int.) MxPS=   8 Ivl=8ms
I:  If#= 1 Alt= 0 #EPs= 1 Cls=03(HID  ) Sub=01 Prot=02 Driver=appletouch
E:  Ad=81(I) Atr=03(Int.) MxPS=  64 Ivl=8ms
I:  If#= 2 Alt= 0 #EPs= 1 Cls=03(HID  ) Sub=00 Prot=00 Driver=usbhid
E:  Ad=84(I) Atr=03(Int.) MxPS=   1 Ivl=8ms

Since it's a multi-interface device, it can't be blacklisted by the
existing quirk bits, can it?

-- Pete