linux-kernel - Re: Touch processing on host CPU

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Message-ID: <20141022142016.42e8032c@alan.etchedpixels.co.uk>
Date:	Wed, 22 Oct 2014 14:20:16 +0100
From:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>
To:	Nick Dyer <nick.dyer@...ev.co.uk>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Jonathan Cameron <jic23@...nel.org>, Greg KH <greg@...ah.com>,
	"linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Touch processing on host CPU

> This sounds promising. The only sticking point I can see is that a touch
> frontend has many more channels (possibly thousands), which would seem to
> impose a lot of overhead when put into the IIO framework. I will certainly
> take a closer look at it.

If that is the case then it may not be the right match - but it might
also be a good argument for fixing the IIO layer so it isn't ?

Alan
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