From owner-freebsd-current@FreeBSD.ORG Tue Mar 2 10:32:43 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id ED71A16A4CE for ; Tue, 2 Mar 2004 10:32:43 -0800 (PST) Received: from hermes.hd.intel.com (fmr09.intel.com [192.52.57.35]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8488F43D3F for ; Tue, 2 Mar 2004 10:32:43 -0800 (PST) (envelope-from andrew.grover@intel.com) Received: from petasus.hd.intel.com (petasus.hd.intel.com [10.127.45.3]) 1.9 2004/01/09 00:55:23 root Exp $) with ESMTP id i22IW6Gj004267; Tue, 2 Mar 2004 18:32:42 GMT Received: from orsmsxvs041.jf.intel.com (orsmsxvs041.jf.intel.com [192.168.65.54]) large-inner.mc,v 1.10 2004/03/01 19:22:27 root Exp $) with SMTP id i22I1wWr028831; Tue, 2 Mar 2004 18:02:02 GMT Received: from orsmsx331.amr.corp.intel.com ([192.168.65.56]) M2004030210015709122 ; Tue, 02 Mar 2004 10:01:57 -0800 Received: from orsmsx401.amr.corp.intel.com ([192.168.65.207]) by orsmsx331.amr.corp.intel.com with Microsoft SMTPSVC(5.0.2195.6713); Tue, 2 Mar 2004 10:01:57 -0800 content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-MIMEOLE: Produced By Microsoft Exchange V6.0.6487.1 Date: Tue, 2 Mar 2004 10:01:56 -0800 Message-ID: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [acpi-jp 3093] Re: Update on ACPI with FreeBSD CURRENT on ThinkPad T30 Thread-Index: AcQAEOK98o6QPJ9oRmGqULG7ylSjRQAbvvAA From: "Grover, Andrew" To: , "Nate Lawson" X-OriginalArrivalTime: 02 Mar 2004 18:01:57.0303 (UTC) FILETIME=[73DF1470:01C40080] X-Scanned-By: MIMEDefang 2.31 (www . roaringpenguin . com / mimedefang) X-Mailman-Approved-At: Wed, 03 Mar 2004 04:46:37 -0800 cc: current@freebsd.org Subject: RE: [acpi-jp 3093] Re: Update on ACPI with FreeBSD CURRENT on ThinkPad T30 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Mar 2004 18:32:44 -0000 > From: owner-acpi-jp@jp.FreeBSD.org=20 > [mailto:owner-acpi-jp@jp.FreeBSD.org] On Behalf Of Randy Bush > > Try using the sysctls from the new acpi_video module to turn off the > > backlight, perhaps by turning the brightness way down. >=20 > i am on a t40p and have tried a lot of this to no avail. My understanding is that actually turning off the backlight is not done via _BCM. But, I still don't know exactly how it *is* done. _PS3 might do it, but some people have hinted that this is something that the video driver is supposed to know how to do. Regards -- Andy