From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Garrett Subject: Re: [PATCH]: ACPI: Skip the first two elements in the _BCL package Date: Wed, 4 Feb 2009 06:08:20 +0000 Message-ID: <20090204060820.GB28321@srcf.ucam.org> References: <1233545621.3715.42.camel@localhost.localdomain> <200902031456.39680.trenn@suse.de> <1233712213.3684.46.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from cavan.codon.org.uk ([93.93.128.6]:41440 "EHLO vavatch.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750892AbZBDGI0 (ORCPT ); Wed, 4 Feb 2009 01:08:26 -0500 Content-Disposition: inline In-Reply-To: Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Len Brown Cc: yakui_zhao , Thomas Renninger , "linux-acpi@vger.kernel.org" , "Zhang, Rui" On Tue, Feb 03, 2009 at 11:25:45PM -0500, Len Brown wrote: > per my previous e-mail, i would recommend that if we export them > to user-space, that we allow user-space to override them > and have the kernel simply consume them. That way things > would work normall even if user-space is ignorant. I'm not sure how this would be useful. The kernel doesn't perform the ac/dc brightness change - that's handled by either the firmware or userspace (depending on _DOS bit 2). We can't provide new values to the firmware. -- Matthew Garrett | mjg59@srcf.ucam.org