On Wed, Jun 13, 2007 at 11:25:34AM +0200, Hans de Goede wrote:
> Jiri Kosina wrote:
> >On Tue, 12 Jun 2007, H. Peter Anvin wrote:
> >
> >>In PS/2 mode it reports E0 32 which gets converted to keycode 150. In
> >>USB mode it reports E0 02 which gets converted to keycode 172.
> >>I don't know if it's the keyboard itself that's being inconsistent, or
> >>if it is the table in usbkbd.c that's broken (in which case it should be
> >>fixed to be consistent with the keyboard in PS/2 mode.)
> >
> >Hi Peter,
> >
> >First, usbkbd.c has very probably zero business with this - the mappings
> >are being done in hid-input.c, usbkdb.c is only for embedded/debugging
> >cases, and is almost never used on modern systems (see the corresponding
> >Kconfig help text).
> >
> >>You seem to be of the opinion that "usb behaviour is correct", but don't
> >>give any motivation why usb should take precedence. Offhand, I would
> >>expect there to be fewer translation layers for PS/2 and would therefore
> >>assume PS/2 is more inherently correct.
> >
> >For USB, we have Hid Usage Pages, which define this to be KEY_HOMEPAGE.
> >There is no such specification for PS/2 though, so what Hans is proposing
> >is to make it consistent with behavior of USB HID devices, which I agree
> >with.
>
> Good to hear, so as everyone smees to agree, shall I write a (massive,
> complex, intrusive) patch to fix this, or are there until now silent
> parties that object?
Just don't forget to update the char/keyboard.c scancode synthesis table
to generate e0 32 for keycode 172 instead for the current 150.
--
Vojtech Pavlik
Director SuSE Labs
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