linux-kernel - Re: [RFC v2] Another approach to IR

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Message-ID: <4B16616B.6010505@redhat.com>
Date:	Wed, 02 Dec 2009 10:45:31 -0200
From:	Mauro Carvalho Chehab <mchehab@...hat.com>
To:	Gerd Hoffmann <kraxel@...hat.com>
CC:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Devin Heitmueller <dheitmueller@...nellabs.com>,
	Jon Smirl <jonsmirl@...il.com>,
	Maxim Levitsky <maximlevitsky@...il.com>, awalls@...ix.net,
	j@...nau.net, jarod@...hat.com, jarod@...sonet.com, khc@...waw.pl,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-media@...r.kernel.org, lirc-list@...ts.sourceforge.net,
	superm1@...ntu.com, Christoph Bartelmus <lirc@...telmus.de>
Subject: Re: [RFC v2] Another approach to IR

Gerd Hoffmann wrote:
> On 12/01/09 22:05, Mauro Carvalho Chehab wrote:
>> So, I would just add the IR sysfs parameters at the /sys/class/input, if
>> the device is an IR (or create it is /sys/class/input/IR).
> 
> No, you add it to the physical device node.
> 
> The usb mouse on the system I'm working on is here:
> 
> zweiblum kraxel $ ll /sys/class/input/ | grep usb2
> lrwxrwxrwx. 1 root root 0 Dec  2 12:07 event7 ->
> ../../devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.0/input/input7/event7/
> lrwxrwxrwx. 1 root root 0 Dec  2 12:07 input7 ->
> ../../devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.0/input/input7/
> lrwxrwxrwx. 1 root root 0 Dec  2 12:07 mouse2 ->
> ../../devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.0/input/input7/mouse2/
> 
> So "/sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.0" is the device
> node of the physical device, and the input devices belonging to it are
> in the "input" subdirectory.
> 
> If the mouse would be a usb IR receiver the IR attributes should go to
> /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1:1.0 or maybe a 'ir'
> subdirectory there.

This makes sense to me.

Cheers,
Mauro.
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