From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751334Ab1KFJan (ORCPT ); Sun, 6 Nov 2011 04:30:43 -0500 Received: from victor.provo.novell.com ([137.65.250.26]:56360 "EHLO victor.provo.novell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750942Ab1KFJal (ORCPT ); Sun, 6 Nov 2011 04:30:41 -0500 Subject: Re: [PATCH] acer-wmi: blacklist Thinkpad edge E520 From: joeyli To: Dave Jones Cc: Ike Panhc , platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, Matthew Garrett , Joey Lee In-Reply-To: <20111024231329.GA25993@redhat.com> References: <1318488718-4744-1-git-send-email-ike.pan@canonical.com> <1319494967.17773.156.camel@linux-s257.site> <20111024231329.GA25993@redhat.com> Content-Type: text/plain; charset="UTF-8" Date: Sun, 06 Nov 2011 17:29:15 +0800 Message-ID: <1320571755.14890.10.camel@linux-s257.site> Mime-Version: 1.0 X-Mailer: Evolution 2.28.2 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Dave, Sorry for I am late to reply you! 於 一，2011-10-24 於 19:13 -0400，Dave Jones 提到： > On Tue, Oct 25, 2011 at 06:22:47AM +0800, joeyli wrote: > > 於 四，2011-10-13 於 14:51 +0800，Ike Panhc 提到： > > > BugLink: http://launchpad.net/bugs/836865 > > > BugLink: http://launchpad.net/bugs/826784 > > > > > > There are reports say that acer-wmi is loaded on Thinkpad E520 which > > > cause wireless connection hard blocked and we can not unblock it. It > > > will be better not to load acer-wmi on this machine. > > > > > > Signed-off-by: Ike Panhc > > > --- > > > drivers/platform/x86/acer-wmi.c | 7 +++++++ > > > 1 files changed, 7 insertions(+), 0 deletions(-) > > > > > > diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c > > > index af2bb20..dc9a116 100644 > > > --- a/drivers/platform/x86/acer-wmi.c > > > +++ b/drivers/platform/x86/acer-wmi.c > > > @@ -325,6 +325,13 @@ static struct dmi_system_id __devinitdata acer_blacklist[] = { > > > DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"), > > > }, > > > }, > > > + { > > > + .ident = "Lenovo Thinkpad Edge E520", > > > + .matches = { > > > + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), > > > + DMI_MATCH(DMI_PRODUCT_NAME, "114320U"), > > > + }, > > > + }, > > > {} > > > }; > > > > > > > Unfortunately didn't see any useful EC register for unblock wifi rfkill in acer-wmi, let's > > add this device to blacklist. > > > > Signed-off-by: Lee, Chun-Yi > > We've seen similar reports from other Lenovo machines & acer-wmi in Fedora bugzilla. > https://bugzilla.redhat.com/show_bug.cgi?id=674353 for example has people reporting > the b450 and V460 also suffer the same issue. > > (There are also a bunch of bug reports from the other *-wmi modules on various hardware. > It seems these modules really upset rfkill). > > Dave > I just go to brc#674353 to check the DSDT from B450, I thought we can try the wireless quirk type 2 (offset 0x71 in EC OperationRegion), I will attach a patch to redhat bugzilla, let's talk on bugzilla. And, I didn't see the DSDT from Lenovo V640, maybe we also can find out a useful EC register reflect to wireless status. Thank's a lot! Joey Lee