From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yuhong Bao Subject: Re: [PATCH] ACPI: Adjust the return value of =?utf-8?b?X1JFVg==?= on x86 Date: Thu, 26 Mar 2015 02:40:55 +0000 (UTC) Message-ID: References: <1426150247-18309-1-git-send-email-matthew.garrett@nebula.com> <1426363131-14530-1-git-send-email-jason.ekstrand@intel.com> <20150323120331.GA3007@codeblueprint.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: Received: from plane.gmane.org ([80.91.229.3]:44710 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751227AbbCZCpJ (ORCPT ); Wed, 25 Mar 2015 22:45:09 -0400 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1Yaxn5-0003a4-V7 for linux-acpi@vger.kernel.org; Thu, 26 Mar 2015 03:45:04 +0100 Received: from S0106001b21018173.vc.shawcable.net ([50.67.244.183]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 26 Mar 2015 03:45:03 +0100 Received: from yuhongbao_386 by S0106001b21018173.vc.shawcable.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 26 Mar 2015 03:45:03 +0100 Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: linux-acpi@vger.kernel.org Matt Fleming codeblueprint.co.uk> writes: > P.S If Dell XPS13 owners try this patch and audio isn't magically > detected, make sure you perform *two* cold boots. There appears to be some > level of caching going where the last read _REV value is used. I suggested in the comments on mjg59's blog that a BIOS option set by the user be used for things like this.