linux-kernel - Re: Handling macros with input devices

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Date:	Wed, 14 Apr 2010 15:56:08 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	"Rick L. Vinyard, Jr." <rvinyard@...nmsu.edu>
Cc:	liux-input@...r.kernel.org, Jiri Kosina <jkosina@...e.cz>,
	Linux <linux-kernel@...r.kernel.org>,
	Linux USB <linux-usb@...r.kernel.org>
Subject: Re: Handling macros with input devices

Hi Rick,

On Wed, Apr 14, 2010 at 12:19:30PM -0600, Rick L. Vinyard, Jr. wrote:
> One of the sticking points I have with the G13 driver is that I'd like it
> to have support for macros. The reason I'd like to support macros is that
> the G13's raison d'etre is to allow the end user to customize the device
> with their own macros.
> 
> However, I've been looking around and I can't find any support for macros
> within the kernel.
> 
> In particular, I have support for getkeycode and setkeycode ioctl's. I was
> thinking of supporting at least setkeycode to allow a standard way to set
> a one key macro. Supporting getkeycode and setting keybit are more
> problematic.
> 
> If someone has already brought this issue up I apologize, but I couldn't
> find any discussion on the linux-input list relating to macros (at least
> other than preprocessor macros).
> 
> Any suggestions?
> 

I consider macro handling to be userspace task. If needed, macro
sequences can be injected back into the kernel via uinput devices to be
consumed by regualar applications.

-- 
Dmitry
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