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From: Garry Williams <gtwilliams@gmail.com>
To: marmon@montana.com
Cc: linux-acpi@vger.kernel.org
Subject: Re: function keys
Date: Thu, 16 Mar 2006 20:04:52 -0500	[thread overview]
Message-ID: <1142557492.3455.74.camel@localhost> (raw)
In-Reply-To: <200603152256.43735.marmon@montana.com>

On Wed, 2006-03-15 at 22:56 -0700, Franklin Marmon wrote:
> I am currently using an acpi driver for sony laptops (sony_acpi.c) which 
> provides an interface for reading that last pressed function key by means of 
> a /proc interface file. When read this file will show either 0 or the last 
> function key combination that was typed. It provides this value by using the 
> acpi_evaluate_object() function to obtain the value of "GHKE". A user space 
> program is currently used to read this value every N seconds and check for 
> events.
> 
> Is there an interrupt generated when one of these function keys is pressed and 
> is this interrupt currently handled by the acpi subsystem? If so, is there a 
> way to add this acpi device driver into a wait queue for this type of event 
> so that a proper char device may be created and polled, rather than reading 
> the /proc file system every N seconds?

 http://developer.berlios.de/projects/fsfn/ 

-- 
Garry Williams -- +1 (678) 656-4579


      reply	other threads:[~2006-03-17  1:04 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-03-16  5:56 function keys Franklin Marmon
2006-03-17  1:04 ` Garry Williams [this message]

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