usb/144414: Apple "Fn" key doesn't work properly

[Hans Petter Selasky]

On Sunday 14 March 2010 15:01:39 Steven Noonan wrote:
> On Sun, Mar 14, 2010 at 5:48 AM, Hans Petter Selasky <hselasky at c2i.net> 
wrote:
> > On Sunday 14 March 2010 14:22:33 Steven Noonan wrote:
> >> On Sun, Mar 14, 2010 at 3:01 AM, Hans Petter Selasky <hselasky at c2i.net>
> >
> > wrote:
> >> > On Sunday 14 March 2010 11:30:04 Steven Noonan wrote:
> >> >> The following reply was made to PR usb/144414; it has been noted by
> >> >> GNATS.
> >> >>
> >> >> From: Steven Noonan <steven at uplinklabs.net>
> >> >> To: perryh at pluto.rain.com
> >> >> Cc: freebsd-usb at freebsd.org, freebsd-gnats-submit at freebsd.org
> >> >> Subject: Re: usb/144414: Apple "Fn" key doesn't work properly
> >> >> Date: Sun, 14 Mar 2010 03:26:19 -0700
> >> >>
> >> >>  On Thu, Mar 4, 2010 at 12:01 AM, Steven Noonan
> >> >> <steven at uplinklabs.net> wrot=
> >> >>
> >> >>  e:
> >> >>  > On Wed, Mar 3, 2010 at 11:00 PM, Steven Noonan
> >> >> <steven at uplinklabs.net> > wr=
> >> >>
> >> >>  ote:
> >> >>  >> On Wed, Mar 3, 2010 at 10:36 PM, =C2=A0<perryh at pluto.rain.com>
> >> >> wrote: >>> Steven Noonan <steven at uplinklabs.net> wrote:
> >> >>  >>>> Interestingly, my tilde key doesn't work either (though the key
> >> >>  >>>> press is detected, no character shows when the key is pressed).
> >> >>  >>>
> >> >>  >>> Any chance it is configured as a "dead" key? =C2=A0If you press
> >> >>  >>> tilde followed by n do you get an n with a tilde over it?
> >> >>  >>
> >> >>  >> Nope. It simply does nothing in the console.
> >> >>  >>
> >> >>  >> But in X11, it does something very odd. Shift+Tilde Key gives me
> >> >> '>', >> and Tilde Key gives me '<'. And Alt+Tilde gives me... What? I
> >> >> don't >> even know what action. It's grabbing some arbitrary command
> >> >> in my >> .bash_history. It gave me the first item in my .bash_history
> >> >> the first >> time I tried it. Then I tried an arbitrary command
> >> >> ("echo"), and then >> Alt+Tilde gave me the second command in my
> >> >> .bash_history. Whaa?
> >> >>
> >> >>  Any more ideas/news on this from anyone?
> >> >>
> >> >>  The tilde key thing is especially irritating.
> >> >
> >> > static uint8_t
> >> > ukbd_apple_swap(uint8_t keycode) {
> >> >        switch (keycode) {
> >> >        case 0x35: return 0x64;
> >> >        case 0x64: return 0x35;
> >> >        default: return keycode;
> >> >        }
> >> > }
> >> >
> >> > Can you try to change the function above in ukbd.c to only return
> >> > keycode? Any difference?
> >>
> >> Yep, commenting the two case lines brought my tilde key back. Any idea
> >> what the ukbd_apple_swap() function was _supposed_ to be doing?
> >>
> >> Also, there's only one thing left (input-wise) that I can't get to
> >> work, and that's the 'delete' key (Fn+Backspace). I'm pretty certain
> >> that it's not a problem with Fn+Backspace failing to map to Delete,
> >> because my non-Mac i386 box has the same problem.
> >>
> >> Everything I read online keeps saying to muck with an .inputrc file
> >> (for bash, anyway), but I haven't been able to get it to work. Places
> >> I've looked have said to add this to .inputrc:
> >>
> >> "\e[3~": delete-char
> >>
> >> But this seems to have no effect (and I tried bind -f .inputrc in case
> >> my INPUTRC environment variable wasn't working). Is there something
> >> FreeBSD-specific I'm not seeing, or what?
> >>
> >> - Steven
> >
> > Hi Steven,
> >
> > Can you talk this over with Christoph and send me a patch when you
> > agreed? He's the one that made the Apple-SWAP key patch. Meanwhile I
> > suggest the following patch:
> >
> > ==== //depot/projects/usb/src/sys/dev/usb/input/ukbd.c#47 -
> > src/sys/dev/usb/input/ukbd.c ====
> > @@ -896,8 +896,7 @@
> >                    hid_input, 0, &sc->sc_loc_apple_fn, &flags,
> >                    &temp_id)) {
> >                        if (flags & HIO_VARIABLE)
> > -                               sc->sc_flags |= UKBD_FLAG_APPLE_FN |
> > -                                   UKBD_FLAG_APPLE_SWAP;
> > +                               sc->sc_flags |= UKBD_FLAG_APPLE_FN;
> >                        DPRINTFN(1, "Found Apple FN-key\n");
> >                        apple_keys = 1;
> >                        sc->sc_kbd_id = temp_id;
> >
> >
> > The hardware that Christoph was using had an Eject-key, while yours
> > didn't. I think the patch above will make both cases work.
> >
> > Christoph, do you have any comments?
> >
> > http://p4db.freebsd.org/fileViewer.cgi?FSPC=//depot/projects/usb/src/sys/
> >dev/usb/input/ukbd.c&REV=47
> 
> Not quite true, my keyboard _does_ have an Eject key. The code doesn't
> detect it though.
> 
> - Steven
> 

Could you try to figure out what key-press number corresponds to the eject 
key?

--HPS