Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964958AbWH2PMt (ORCPT ); Tue, 29 Aug 2006 11:12:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965018AbWH2PMt (ORCPT ); Tue, 29 Aug 2006 11:12:49 -0400 Received: from ug-out-1314.google.com ([66.249.92.175]:44489 "EHLO ug-out-1314.google.com") by vger.kernel.org with ESMTP id S964958AbWH2PMs (ORCPT ); Tue, 29 Aug 2006 11:12:48 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=KXt8a2x/aDZc1ZVbfhrKqCfLj6Qdo3kwlWa43uT7T8gZ5LT5X9reTfxAcHDQ402Q/CDU/xk3h/gcLwc+c5tRdwbHUqo9E5tpSUh2XoWCx3U3dyb1n2hRIuQAjLJOeO6zae8kY6o/9Z5FPGBgLhkjbeTIHnNgBgAy16alM0YRAhs= Message-ID: Date: Tue, 29 Aug 2006 11:12:46 -0400 From: "Dmitry Torokhov" To: "Dmitry Torokhov" , linux-input@atrey.karlin.mff.cuni.cz, linux-kernel@vger.kernel.org, "Marcelo Tosatti" Subject: Re: [RPC] OLPC tablet input driver. In-Reply-To: <20060829143502.GC4187@aehallh.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20060829073339.GA4181@aehallh.com> <20060829143502.GC4187@aehallh.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2323 Lines: 66 On 8/29/06, Zephaniah E. Hull wrote: > On Tue, Aug 29, 2006 at 08:53:17AM -0400, Dmitry Torokhov wrote: > > Hi, > > > > On 8/29/06, Zephaniah E. Hull wrote: > > >The OLPC will ship with a somewhat unique input device made by ALPS, > > >connected via PS/2 and speaking a protocol only loosely based on that > > >spoken by other ALPS devices. > > > > > > > Do you have a formal programming spec for it? > > Not that I can currently distribute. > > Converting to html, trimming out hardware detail, and feeding it through > channels for ALPS to say that they are comfortable with the amount of > data being released is on my todo list, but behind a few other things. I see. Well, if you have a decent contacts in ALPS could you ask them if they could release any information on their other hardware? > > > > >4: Technical/policy: Buttons are currently sent to both of the input > > >devices we generate, I don't see any way to avoid this that is not a > > >policy decision on which buttons belong to which device, but I'm open to > > >suggestions. > > > > > > > Is it not known how actual hardware wired? > > Hardware is wired with one device, which is quite wide. The entire > width can be accessed via the PT sensor, and the middle 1/3rd with the > GS sensor. > > I believe that the buttons will be one on each side, though I'm not > positive, and the PT data, the GS data, and the button data all arrive > in the same packet. > > So really there is no 'right' way from the kernel driver's point of > view, the buttons belong equally to both. > > The kernel driver that this will be matched with will probably leave it > as a user configuration setting as to which one it will throw button > presses away for. OK. > > > >+ dev2->name = "OLPC OLPC GlideSensor"; > > > > "OLPC OLPC"? > > To match the first one, with a protocol name of OLPC and a vendor of > OLPC we end up with 'OLPC OLPC' for the first one, this is, IMHO, rather > suboptimal, but I'm not sure what else to do here. > Should not vendor be still ALPS? -- Dmitry - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/