Alan Stern <stern@...> writes:
> > Specifically, HID_QUIRK_IGNORE_MOUSE existed in 2.6.27
> > and was dealt with in drivers/hid/usbhid/hid-core.c:730,
> > thereby somehow "fixing things". But those lines (and
> > the symbol) disappeared after 2.6.27. Why were they
> > removed?
>
> They weren't removed. The symbol was changed to APPLE_IGNORE_MOUSE and
> the implementation was moved to drivers/hid/hid-apple.c. To get the
> benefit, you have to enable CONFIG_HID_APPLE.
…
> It should have been working all along if your kernel configuration was
> correct.
$ uname -r
3.16.0-4-amd64
$ grep CONFIG_HID_APPLE /boot/config-3.16.0-4-amd64
CONFIG_HID_APPLE=m
CONFIG_HID_APPLEIR=m
$ lsmod | grep hid_apple
hid_appleir 12724 0
hid_apple 12596 0
hid 102264 4 hid_generic,usbhid,hid_appleir,hid_apple
$ lsusb -d 05ac:0231
Bus 005 Device 020: ID 05ac:0231 Apple, Inc. Internal Keyboard/Trackpad \
(MacBook Pro 4,1) (ISO)
Now, APPLE_IGNORE_MOUSE only appears in drivers/hid/hid-apple.c:28, where
it is #define'd but never referenced, making it hard for me to see the
connection.
However, while looking for uses of USB_DEVICE_ID_APPLE_WELLSPRING2_ISO,
I found hid_mouse_ignore_list defined in drivers/hid/hid-core.c:2358 and
referenced after the switch statement in drivers/hid/hid-core.c:2482 as an
argument to hid_match_id(), which is executed only if the device's type in
question is of HID_TYPE_USBMOUSE. If I had to venture a guess here I'd say
that that is never the case.
Cheers,
Christian
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