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:	Wed, 25 Nov 2009 21:47:48 +0100
From:	Krzysztof Halasa <khc@...waw.pl>
To:	Devin Heitmueller <dheitmueller@...nellabs.com>
Cc:	Jarod Wilson <jarod@...sonet.com>,
	Christoph Bartelmus <lirc@...telmus.de>, awalls@...ix.net,
	dmitry.torokhov@...il.com, j@...nau.net, jarod@...hat.com,
	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

Devin Heitmueller <dheitmueller@...nellabs.com> writes:

> The other key thing I don't think we have given much thought to is the
> fact that in many tuners, the hardware does RC decoding and just
> returns NEC/RC5/RC6 codes.  And in many of those cases, the hardware
> has to be configured to know what format to receive.  We probably need
> some kernel API such that the hardware can tell lirc what formats are
> supported, and another API call to tell the hardware which mode to
> operate in.

For such cases, I wouldn't bother with lirc mode. Input layer + key
mapping with ioctl (probably improved), and lircd can grab events from
input layer if needed.
-- 
Krzysztof Halasa
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