From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Garrett Subject: Re: [PATCH] ACPI / blacklist: blacklist Win8 OSI for Dell Inspiron 7437 Date: Wed, 20 May 2015 19:42:42 +0100 Message-ID: <20150520184242.GA32453@srcf.ucam.org> References: <20150427174646.GA22664@srcf.ucam.org> <20150428052448.GA3458@srcf.ucam.org> <20150428171100.GA24599@srcf.ucam.org> <5554F12A.3010003@dell.com> <20150514191358.GB23853@srcf.ucam.org> <5554F4B2.8080801@dell.com> <555CC776.3030802@dell.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from cavan.codon.org.uk ([93.93.128.6]:40477 "EHLO cavan.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753778AbbETSmq (ORCPT ); Wed, 20 May 2015 14:42:46 -0400 Content-Disposition: inline In-Reply-To: <555CC776.3030802@dell.com> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Mario Limonciello Cc: Alex Hung , Linux ACPI Mailing List On Wed, May 20, 2015 at 12:42:14PM -0500, Mario Limonciello wrote: > I've gotten some more information on this. > Windows: Asks for battery information update multiple times. > Linux: Only asks once for battery information update. > > The net result is that on Linux ACPI battery is missing. In the > _REV test BIOS workaround, a SMI event was added to ask for battery > information update. Hm. Why does only asking once not result in us seeing the battery? -- Matthew Garrett | mjg59@srcf.ucam.org