linux-kernel - Re: PATCH [1/3] drivers/input/xpad.c: Improve Xbox 360 wireless support and add sysfs interface

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Date:	Mon, 2 Mar 2009 18:04:00 -0500
From:	Mike Murphy <mamurph@...clemson.edu>
To:	Greg KH <greg@...ah.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
	linux-usb@...r.kernel.org, oliver@...kum.org, fweisbec@...il.com,
	torvalds@...ux-foundation.org
Subject: Re: PATCH [1/3] drivers/input/xpad.c: Improve Xbox 360 wireless 
	support and add sysfs interface

On Mon, Mar 2, 2009 at 5:39 PM, Greg KH <greg@...ah.com> wrote:
>
> I tried to create such an interface years ago, and the macro tricks
> involved ended up being horrible, and in the end, it didn't work.  But
> if you can come up with something, I'd love to see it.
>
> thanks,
>
> greg k-h
>

I could probably give it a shot, but possibly not until May... once
the current semester ends. I really need to understand the kernel type
system -- or at least the types that "should" be exposed to userspace
-- before thinking about the design too much. Maybe that's the
question that needs to be asked first: in general, what does a sysfs
interface into a driver look like? It's certainly flexible enough to
do a lot, and the existing interfaces allow it to do a lot, but is
there a simplification that covers some large percentage of cases?

Mike
-- 
Mike Murphy
Ph.D. Candidate and NSF Graduate Research Fellow
Clemson University School of Computing
120 McAdams Hall
Clemson, SC 29634-0974 USA
Tel: +1 864.656.2838   Fax: +1 864.656.0145
http://cirg.cs.clemson.edu/~mamurph
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