usb/144414: Apple "Fn" key doesn't work properly
Steven Noonan
steven at uplinklabs.net
Sun Mar 14 14:40:03 UTC 2010
The following reply was made to PR usb/144414; it has been noted by GNATS.
From: Steven Noonan <steven at uplinklabs.net>
To: Hans Petter Selasky <hselasky at c2i.net>
Cc: freebsd-usb at freebsd.org, freebsd-gnats-submit at freebsd.org,
Christoph Langguth <christoph at rosenkeller.org>
Subject: Re: usb/144414: Apple "Fn" key doesn't work properly
Date: Sun, 14 Mar 2010 06:37:04 -0800
On Sun, Mar 14, 2010 at 6:27 AM, Hans Petter Selasky <hselasky at c2i.net> wro=
te:
> 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.ne=
t>
>> >
>> > 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 b=
y
>> >> >> 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
>> >> >>
>> >> >> =C2=A0On Thu, Mar 4, 2010 at 12:01 AM, Steven Noonan
>> >> >> <steven at uplinklabs.net> wrot=3D
>> >> >>
>> >> >> =C2=A0e:
>> >> >> =C2=A0> On Wed, Mar 3, 2010 at 11:00 PM, Steven Noonan
>> >> >> <steven at uplinklabs.net> > wr=3D
>> >> >>
>> >> >> =C2=A0ote:
>> >> >> =C2=A0>> On Wed, Mar 3, 2010 at 10:36 PM, =3DC2=3DA0<perryh at pluto.=
rain.com>
>> >> >> wrote: >>> Steven Noonan <steven at uplinklabs.net> wrote:
>> >> >> =C2=A0>>>> Interestingly, my tilde key doesn't work either (though=
the key
>> >> >> =C2=A0>>>> press is detected, no character shows when the key is p=
ressed).
>> >> >> =C2=A0>>>
>> >> >> =C2=A0>>> Any chance it is configured as a "dead" key? =3DC2=3DA0I=
f you press
>> >> >> =C2=A0>>> tilde followed by n do you get an n with a tilde over it=
?
>> >> >> =C2=A0>>
>> >> >> =C2=A0>> Nope. It simply does nothing in the console.
>> >> >> =C2=A0>>
>> >> >> =C2=A0>> But in X11, it does something very odd. Shift+Tilde Key g=
ives me
>> >> >> '>', >> and Tilde Key gives me '<'. And Alt+Tilde gives me... What=
? I
>> >> >> don't >> even know what action. It's grabbing some arbitrary comma=
nd
>> >> >> in my >> .bash_history. It gave me the first item in my .bash_hist=
ory
>> >> >> 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?
>> >> >>
>> >> >> =C2=A0Any more ideas/news on this from anyone?
>> >> >>
>> >> >> =C2=A0The tilde key thing is especially irritating.
>> >> >
>> >> > static uint8_t
>> >> > ukbd_apple_swap(uint8_t keycode) {
>> >> > =C2=A0 =C2=A0 =C2=A0 =C2=A0switch (keycode) {
>> >> > =C2=A0 =C2=A0 =C2=A0 =C2=A0case 0x35: return 0x64;
>> >> > =C2=A0 =C2=A0 =C2=A0 =C2=A0case 0x64: return 0x35;
>> >> > =C2=A0 =C2=A0 =C2=A0 =C2=A0default: return keycode;
>> >> > =C2=A0 =C2=A0 =C2=A0 =C2=A0}
>> >> > }
>> >> >
>> >> > 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 ide=
a
>> >> 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 cas=
e
>> >> 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:
>> >
>> > =3D=3D=3D=3D //depot/projects/usb/src/sys/dev/usb/input/ukbd.c#47 -
>> > src/sys/dev/usb/input/ukbd.c =3D=3D=3D=3D
>> > @@ -896,8 +896,7 @@
>> > =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0h=
id_input, 0, &sc->sc_loc_apple_fn, &flags,
>> > =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0&=
temp_id)) {
>> > =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0if (flags & HIO_VARIABLE)
>> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 sc->sc_flags |=3D UKBD_FLAG_APPLE_FN=
|
>> > - =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 UKBD_FLAG_APPLE_SWAP;
>> > + =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 sc->sc_flags |=3D UKBD_FLAG_APPLE_FN=
;
>> > =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0DPRINTFN(1, "Found Apple FN-key\n");
>> > =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0apple_keys =3D 1;
>> > =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0sc->sc_kbd_id =3D 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=3D//depot/projects/usb/src=
/sys/
>> >dev/usb/input/ukbd.c&REV=3D47
>>
>> 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 ejec=
t
> key?
>
> --HPS
>
I'm not certain how to do so. It's somewhat of a chicken-and-the-egg
problem: unless it detects that the key is there, I can't find it.
Enabling 'hw.usb.ukbd.debug' doesn't print anything when Eject is
pressed.
- Steven
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