From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tim Gardner Subject: Re: [PATCH] Sony laptop: Some Sony Vaia laptops do not enable wwan power by default. Date: Wed, 22 Apr 2009 14:07:14 -0600 Message-ID: <49EF78F2.7040203@tpi.com> References: <20090422185351.AB41AF88CE@sepang.rtg.net> <20090422195034.GA32375@srcf.ucam.org> Reply-To: timg@tpi.com Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mail.tpi.com ([70.99.223.143]:4198 "EHLO mail.tpi.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754601AbZDVUHR (ORCPT ); Wed, 22 Apr 2009 16:07:17 -0400 In-Reply-To: <20090422195034.GA32375@srcf.ucam.org> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Matthew Garrett Cc: malattia@linux.it, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org Matthew Garrett wrote: > On Wed, Apr 22, 2009 at 12:53:51PM -0600, Tim Gardner wrote: >> Mattia, >> >> Does this patch makes sense for just the Vaio? I've had positive feedback from >> the tester in the bug report. > > It'd make more sense to change the wwan power option to use rfkill. That > way it'll be powered up at appropriate times. > The laptop model that doesn't power up wwan on cold boot contains a "Sony Programmable IO Control Driver" ("VGN-" according to the DMI info). It appears that only laptops with a "Sony Notebook Control Driver" enjoy rfkill goodness. I don't know for sure if those models fail to power up wwan when rfkill is disabled. rtg -- Tim Gardner timg@tpi.com www.tpi.com OR 503-601-0234 x102 MT 406-443-5357