Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753938Ab3HEOlJ (ORCPT ); Mon, 5 Aug 2013 10:41:09 -0400 Received: from mail-la0-f51.google.com ([209.85.215.51]:64333 "EHLO mail-la0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753303Ab3HEOlG (ORCPT ); Mon, 5 Aug 2013 10:41:06 -0400 MIME-Version: 1.0 In-Reply-To: <23723258.099Re4s3PJ@vostro.rjw.lan> References: <1375472229-1563-1-git-send-email-felipe.contreras@gmail.com> <1861338.WxIinvfTH6@vostro.rjw.lan> <23723258.099Re4s3PJ@vostro.rjw.lan> Date: Mon, 5 Aug 2013 09:41:04 -0500 Message-ID: Subject: Re: [PATCH] acpi: video: improve quirk check From: Felipe Contreras To: "Rafael J. Wysocki" Cc: Aaron Lu , linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, Len Brown , Zhang Rui Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1447 Lines: 35 On Mon, Aug 5, 2013 at 9:04 AM, Rafael J. Wysocki wrote: >> In my machine I think the issue is slightly different, I think _BCM is >> failing, at least until enabling the _DOS thing, but at the end of the >> day it's the same thing for the check; _BQC is always returning the >> same value, and the code above will find that out, regardless of which >> values are tested. >> >> For my particular machine though, I think it's more interesting to >> find out why _BCM is failing before _DOS, and why efaa14c made it >> work. If that is actually the case. > > That depends on how the BIOS+platform is designed and that may change from > one system to another quite a bit. Maybe, but it seems there's at least another ASUS machine with the same behavior, and it seems a lot of ASUS machines behave very similarly. > The only common denominator is what Windows expects (and that unfortunately > depends on the version of Windows too), because that's the functionality > which is likely to have been tested. Anything else is likely to be untested > and therefore most probably buggy. Maybe, or maybe we are doing something wrong. It's worth to try to find that out. -- Felipe Contreras -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/