From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750829AbVKZLfR (ORCPT ); Sat, 26 Nov 2005 06:35:17 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750835AbVKZLfR (ORCPT ); Sat, 26 Nov 2005 06:35:17 -0500 Received: from zproxy.gmail.com ([64.233.162.199]:4897 "EHLO zproxy.gmail.com") by vger.kernel.org with ESMTP id S1750829AbVKZLfP (ORCPT ); Sat, 26 Nov 2005 06:35:15 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:user-agent:mime-version:to:cc:subject:references:in-reply-to:content-type:content-transfer-encoding; b=Cbdi073OtAsWnsXgFSD3n2pK1efnVGqmdzsvhMCVx3vAJf/NEqUcfmDKIyQqmXI2ftZWaqgmOCAqQxxEnSX/T7GQA2+9nUePtK2fm1TXFKhbXNamu8HTe2bCpvqxVZjRGdjzEfvcY41H3MDBUQltt4ZjhvoHmoFAW/pZk2vwRf8= Message-ID: <43884848.9040301@gmail.com> Date: Sat, 26 Nov 2005 19:34:32 +0800 From: "Antonino A. Daplas" User-Agent: Thunderbird 1.5 (X11/20051025) MIME-Version: 1.0 To: Jean Delvare CC: Vishal Soni , LKML Subject: Re: How to get SDA/SCL bit position in the control word register of the video card? References: <20051125203300.0899e9b7.khali@linux-fr.org> <20051126113633.4f2fb35a.khali@linux-fr.org> In-Reply-To: <20051126113633.4f2fb35a.khali@linux-fr.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Jean Delvare wrote: > Hi Vishal, > >>>>> I tried to use linux kernel API char* get_EDID_from_BIOS(void*) and >>>> then using kgdb to debug the kernel module (that i wrote) to get the >>>> same but failed to find the way to get the above. >>> I couldn't find any function by that name in the Linux kernel source >>> tree. What are you talking about? >> /usr/src/linux-2.6.x/include/video/edid.h > > There is no function by that name in that file, neither in Linus' > latest kernel, nor in Andrew Morton's one. Whatever you are talking > about does not seem to exist. > That's the old name. It's now renamed to fb_firmware_edid() which is in drivers/video/fbmon.c. But you won't get anything from this function. The DDC transfer was done entirely by the Video BIOS using a VBE interrupt call during boot in arch/i386/boot/video.S:store_edid. Tony