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SubjectRe: [PATCH] eeepc-wmi: set the touchpad toggle key code to F21
On Fri, Feb 25, 2011 at 07:52:11AM +0100, Corentin Chary wrote:
> On Fri, Feb 25, 2011 at 6:19 AM, Keng-Yu Lin <keng-yu.lin@canonical.com> wrote:
> > Signed-off-by: Keng-Yu Lin <keng-yu.lin@canonical.com>
> > ---
> >  drivers/platform/x86/eeepc-wmi.c |    2 +-
> >  1 files changed, 1 insertions(+), 1 deletions(-)
> >
> > https://bugs.freedesktop.org/show_bug.cgi?id=31333
> >
> > diff --git a/drivers/platform/x86/eeepc-wmi.c b/drivers/platform/x86/eeepc-wmi.c
> > index d399775..da00cbc 100644
> > --- a/drivers/platform/x86/eeepc-wmi.c
> > +++ b/drivers/platform/x86/eeepc-wmi.c
> > @@ -113,7 +113,7 @@ static const struct key_entry eeepc_wmi_keymap[] = {
> >        { KE_KEY, 0x32, { KEY_MUTE } },
> >        { KE_KEY, 0x5c, { KEY_F15 } }, /* Power Gear key */
> >        { KE_KEY, 0x5d, { KEY_WLAN } },
> > -       { KE_KEY, 0x6b, { KEY_F13 } }, /* Disable Touchpad */
> > +       { KE_KEY, 0x6b, { KEY_F21 } }, /* Disable Touchpad */
> >        { KE_KEY, 0x82, { KEY_CAMERA } },
> >        { KE_KEY, 0x83, { KEY_CAMERA_ZOOMIN } },
> >        { KE_KEY, 0x88, { KEY_WLAN } },
>
> Hum, I'm not very comfortable with this patch now that we got
> KEY_TOUCHPAD_TOGGLE.
> I know, it doesn't work with current Xorg, but if we continue to
> workaround that, it'll never be fixed.
>
> Dmitry, Matthew, any advice ?

I believe that the kernel should use KEY_TOUCHPAD_TOGGLE and userspace
should use udev's key re-mapping facilities while X is unable to process
keycodes above 255 to adjust to the keycode du jour. If all kernel
drivers were to use KEY_TOUCHPAD_TOGGLE then remapping would be much
easier (the utility would simply check capabilities for
KEY_TOUCHPAD_TOGGLE and do the remap).

Thanks.

--
Dmitry
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