Re: USB2 - keyboard error

From: Hans Petter Selasky <hselasky_at_c2i.net>
Date: Tue, 18 Aug 2009 15:32:08 +0200
On Tuesday 18 August 2009 15:11:04 Yoshihiro Ota wrote:
> On Tue, 18 Aug 2009 07:06:29 +0200
>
> Hans Petter Selasky <hselasky_at_c2i.net> wrote:
> > On Tuesday 18 August 2009 04:51:05 Yoshihiro Ota wrote:
> > > Hi all and Hans,
> > >
> > > After switching code base for 8 release, I realized problems with my
> > > keyboard. The work-around described below fixed my problems.
> > >
> > > Could you be able to incorporate fix for this?
> > >
> > > Thanks,
> > > Hiro
> >
> > Can you resend the patch?
> >
> > --HPS
>
> Below is the change you suggested.
> It doesn't look good for other keyboards.

I can implement this like a sysctl:

hw.usb.ukbd.no_leds

--HPS

>
> Thanks,
> Hiro
>
> %env LANG=C svn diff --diff-cmd /usr/bin/diff -x-U10 input/ukbd.c
> Index: input/ukbd.c
> ===================================================================
> --- input/ukbd.c        (revision 196086)
> +++ input/ukbd.c        (working copy)
> _at__at_ -606,20 +606,21 _at__at_
>  }
>
>  static void
>  ukbd_set_leds_callback(struct usb_xfer *xfer, usb_error_t error)
>  {
>         struct usb_device_request req;
>         struct usb_page_cache *pc;
>         uint8_t buf[2];
>         struct ukbd_softc *sc = usbd_xfer_softc(xfer);
>
> +return; /* USB-keyboard workaround */
>         switch (USB_GET_STATE(xfer)) {
>         case USB_ST_TRANSFERRED:
>         case USB_ST_SETUP:
>                 if (sc->sc_flags & UKBD_FLAG_SET_LEDS) {
>                         sc->sc_flags &= ~UKBD_FLAG_SET_LEDS;
>
>                         req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
>                         req.bRequest = UR_SET_REPORT;
>                         USETW2(req.wValue, UHID_OUTPUT_REPORT, 0);
>                         req.wIndex[0] = sc->sc_iface_no;
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Received on Tue Aug 18 2009 - 11:32:00 UTC

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