Return-path: Received: from mail-wi0-f174.google.com ([209.85.212.174]:43700 "EHLO mail-wi0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964992Ab2B2TBg (ORCPT ); Wed, 29 Feb 2012 14:01:36 -0500 Received: by wibhm11 with SMTP id hm11so2902374wib.19 for ; Wed, 29 Feb 2012 11:01:35 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <20120229180929.32495.qmail@stuge.se> References: <20120229180929.32495.qmail@stuge.se> Date: Wed, 29 Feb 2012 11:01:35 -0800 Message-ID: (sfid-20120229_200140_372197_B9ACB98D) Subject: Re: [ath9k-devel] Any recommendation of direct access the GPIO from specific address ? From: Adrian Chadd To: Matt Chen , linux-wireless , ath9k-devel@lists.ath9k.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi, I believe sometimes its a switch connected physically to the NIC; other times its a software controlled GPIO line from the host to the NIC (eg a keyboard rfkill); sometimes its an ACPI command that controls the GPIO rfkill line; sometimes its smoething else entirely.. :) Arian