linux-kernel - Re: [RFC] Should we create a raw input interface for IR's ? - Was: Re: [PATCH 1/3 v2] lirc core device driver infrastructure

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Date:	Mon, 23 Nov 2009 23:18:12 -0500
From:	Jarod Wilson <jarod@...sonet.com>
To:	Christoph Bartelmus <lirc@...telmus.de>
CC:	dmitry.torokhov@...il.com, j@...nau.net, jarod@...hat.com,
	khc@...waw.pl, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
	mchehab@...hat.com, superm1@...ntu.com
Subject: Re: [RFC] Should we create a raw input interface for IR's ? - Was:
 Re: [PATCH 1/3 v2] lirc core device driver infrastructure

On 11/23/2009 04:10 PM, Christoph Bartelmus wrote:
> Hi Jarod,
>
> on 23 Nov 09 at 14:17, Jarod Wilson wrote:
>>> Krzysztof Halasa wrote:
> [...]
>>> If you see patch 3/3, of the lirc submission series, you'll notice a driver
>>> that has hardware decoding, but, due to lirc interface, the driver
>>> generates pseudo pulse/space code for it to work via lirc interface.
>
>> Historically, this is true.
>
> No, it's not.
> I think you misunderstood the code. The comment may be a bit misleading,
> too.
> Early iMON devices did not decode in hardware and the part of the driver
> that Krzystof is referring to is translating a bit-stream of the sampled
> input data into pulse/space durations.

Sorry, no, I know the newer devices don't actually send pulse/data info 
out to userspace, just hex codes that correspond to key presses. What I 
meant was "onboard decoding devices can operate as pure input devices or 
in classic lirc mode", leaving out the details on exactly what they were 
sending out to userspace. :)

-- 
Jarod Wilson
jarod@...sonet.com
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