Re: [PATCH 3/9] staging: nvec: ps2: tell nvec to send 6 byte long messages

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On Tue, Jan 10, 2012 at 02:31:25PM +0300, Dan Carpenter wrote:
> On Mon, Dec 26, 2011 at 05:57:34PM +0100, Julian Andres Klode wrote:
> > From: Marc Dietrich <marvin24@xxxxxx>
> > 
> > This packet size used on most modern touchpads. Ideally, this should
> > be configurable or autodetected.
> > 
> 
> So this causes a regression then is what I'm hearing?  We care more
> about keeping things that already worked working than we do about
> almost anything else.  So even if this is better for most things, we
> only care that it breaks things which used to work.

No, it practically fixes a regression if the kernel is built with
the Elantech driver. It currently only works correctly with a
standard PS/2 mouse driver.

And nvec starts working with 3.3 anyway formally, previously
it was not used at all, now it is registered via DT.

> Let's make it autodetect the new stuff.

We'd probably need the upper layer (the psmouse driver or
whatever) to tell the lower layer that it configured the
device on the bus to a specific packet size, and we can
then configure the bus to do this.

-- 
Julian Andres Klode  - Debian Developer, Ubuntu Member

See http://wiki.debian.org/JulianAndresKlode and http://jak-linux.org/.
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