From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ismail Donmez Subject: Re: [PATCH 2.6.18-mm2] acpi: add backlight support to the sony_acpi driver Date: Wed, 11 Oct 2006 11:04:48 +0300 Message-ID: <200610111104.50563.ismail@pardus.org.tr> References: <20060930190810.30b8737f.alessandro.guido@gmail.com> <1160549944.3000.347.camel@laptopd505.fenrus.org> <20061011070412.GA6128@srcf.ucam.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from ns2.uludag.org.tr ([193.140.100.220]:40110 "EHLO uludag.org.tr") by vger.kernel.org with ESMTP id S1161016AbWJKIEl convert rfc822-to-8bit (ORCPT ); Wed, 11 Oct 2006 04:04:41 -0400 In-Reply-To: <20061011070412.GA6128@srcf.ucam.org> Content-Disposition: inline Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Matthew Garrett Cc: Arjan van de Ven , Yu Luming , Matt Domsch , Pavel Machek , Andrew Morton , Alessandro Guido , linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, len.brown@intel.com, jengelh@linux01.gwdg.de, gelma@gelma.net 11 Eki 2006 =C3=87ar 10:04 tarihinde, Matthew Garrett =C5=9Funlar=C4=B1= yazm=C4=B1=C5=9Ft=C4=B1:=20 > On Wed, Oct 11, 2006 at 08:59:04AM +0200, Arjan van de Ven wrote: > > it'd also be nice if the linux-ready firmware developer kit had a t= est > > for this, so that we can offer 1) a way to test this to the bios gu= ys > > and 2) encourage adding/note the lack easily > > Sure. Reading /proc/acpi/video/*/*/info should tell you whether a dev= ice > is an LCD or not.=20 On my Sony Vaio with latest linux-2.6 git kernel it says its a CRT : [~]> cat /proc/acpi/video/*/*/info device_id: 0x0100 type: CRT known by bios: no device_id: 0x0320 type: UNKNOWN known by bios: no device_id: 0x0410 type: UNKNOWN known by bios: no device_id: 0x0240 type: UNKNOWN known by bios: no device_id: 0x0100 type: CRT known by bios: no device_id: 0x0111 type: UNKNOWN known by bios: no device_id: 0x0118 type: UNKNOWN known by bios: no device_id: 0x0200 type: TVOUT known by bios: no So I don't think its reliable. Regards, ismail - To unsubscribe from this list: send the line "unsubscribe linux-acpi" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html