Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757542AbZIORLb (ORCPT ); Tue, 15 Sep 2009 13:11:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757500AbZIORL2 (ORCPT ); Tue, 15 Sep 2009 13:11:28 -0400 Received: from mail-qy0-f172.google.com ([209.85.221.172]:44973 "EHLO mail-qy0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754300AbZIORL1 convert rfc822-to-8bit (ORCPT ); Tue, 15 Sep 2009 13:11:27 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=ewEi5H8zh2gF+hKRCz+jc/EhqDh+FF058CE8RQ99w+RVbj5ES1p8W5ANk3HJ6dGgRo yWfJkMtdQ5NS5Ccjs0bI4Y2xjcvlym+Mbjqxl0RFQKXksh5KOLTjte94G9hY5A9FDO1m l9BNHW+uoChExR4SHJ7n4nk9SMK2wWuYPqS58= MIME-Version: 1.0 In-Reply-To: References: Date: Tue, 15 Sep 2009 22:41:30 +0530 Message-ID: <5d5443650909151011k4b21a6d0n28ac6142c3d7161d@mail.gmail.com> Subject: Re: Using EV_MSC or extending KEY_* From: Trilok Soni To: "Rick L. Vinyard, Jr." Cc: Linux USB , LKML , linux-input@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1923 Lines: 54 Adding linux-input. On Tue, Sep 15, 2009 at 9:49 PM, Rick L. Vinyard, Jr. wrote: > On the Logitech G13 there are a set of 10 special keys at the top of the > device. > > I've written the driver so that it maintains a map from the general keys > (G1-G22) to Linux' input subsystem keys. > > The map can be changed on the fly, allowing multiple keymaps to be loaded. > > As a side note I haven't provided for this functionality (multiple > keymaps) in the driver since this can be maintained from userspace, but it > does need to know about the currently loaded keymap so that when the raw > HID events are parsed the appropriate EV_KEY events can be input. > > I could set it up so that the special keys also map to a KEY_* code. > However, I'd prefer to set things up so that any G1-G22 key can be mapped > to any input subsystem KEY_* code and not reserve a set of 10 from the > current KEY_* codes for the 10 special keys. > > One way I was thinking of approaching this was to generate EV_MSC type > events (with a MSC_RAW code) using the value to indicate the state > (pressed/released) and special key. > > Another way to approach this would be to extend the KEY_* #defines with a > special set of 10 codes for the 10 special keys. > > Any suggestions on the better approach? > > Thanks, > > Rick > > > -- > 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/ > -- ---Trilok Soni http://triloksoni.wordpress.com http://www.linkedin.com/in/triloksoni -- 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/