From patchwork Mon Jan 17 22:14:29 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Ross X-Patchwork-Id: 484751 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p0HMEXJB011928 for ; Mon, 17 Jan 2011 22:14:37 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752719Ab1AQWOe (ORCPT ); Mon, 17 Jan 2011 17:14:34 -0500 Received: from li44-10.members.linode.com ([72.14.181.10]:34176 "EHLO plausible.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751878Ab1AQWOd (ORCPT ); Mon, 17 Jan 2011 17:14:33 -0500 Received: from [10.251.1.237] (unknown [192.102.209.1]) (Authenticated sender: andy) by plausible.org (Postfix) with ESMTPSA id 8019E1193A2; Mon, 17 Jan 2011 14:14:32 -0800 (PST) Message-ID: <4D34BF45.30804@windriver.com> Date: Mon, 17 Jan 2011 14:14:29 -0800 From: Andy Ross User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101208 Thunderbird/3.1.7 MIME-Version: 1.0 To: Dmitry Torokhov CC: Corentin Chary , linux-input@vger.kernel.org, acpi4asus-user@lists.sourceforge.net, platform-driver-x86@vger.kernel.org Subject: Re: [PATCH 0/2] Pegatron Lucid tablet accelerometer References: <1295287011-12849-1-git-send-email-andy.ross@windriver.com> <20110117184927.GA27245@core.coreip.homeip.net> In-Reply-To: <20110117184927.GA27245@core.coreip.homeip.net> Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Mon, 17 Jan 2011 22:14:37 +0000 (UTC) diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index d235f44..73f8ca0 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -4,6 +4,7 @@ * * Copyright (C) 2002-2005 Julien Lerouge, 2003-2006 Karol Kozimor * Copyright (C) 2006-2007 Corentin Chary + * Copyright (C) 2011 Wind River Systems * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -31,6 +32,7 @@ * Josh Green - Light Sens support * Thomas Tuttle - His first patch for led support was very helpfull * Sam Lin - GPS support + * Andy Ross - Pegatron Lucid accelerometer */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt @@ -247,6 +249,7 @@ struct asus_laptop { int wireless_status; bool have_rsts; int lcd_state; + struct platform_device *pega_accel; struct rfkill *gps_rfkill; @@ -1556,6 +1559,19 @@ static int __devinit asus_acpi_init(struct asus_laptop *asus) return result; } +static void __devinit asus_pega_accel_init(struct asus_laptop *asus) +{ + /* Pegatron Lucid tablets expose their accelerometer through ACPI. + * Check for XLR{X,Y,Z} methods */ + if (acpi_check_handle(asus->handle, "XLRX", NULL) || + acpi_check_handle(asus->handle, "XLRY", NULL) || + acpi_check_handle(asus->handle, "XLRZ", NULL)) + return; + + asus->pega_accel = platform_device_register_simple("pega_accel", -1, + NULL, 0); +} + static bool asus_device_present; static int __devinit asus_acpi_add(struct acpi_device *device) @@ -1605,6 +1621,8 @@ static int __devinit asus_acpi_add(struct acpi_device *device) if (result) goto fail_rfkill; + asus_pega_accel_init(asus); + asus_device_present = true; return 0; @@ -1627,6 +1645,9 @@ static int asus_acpi_remove(struct acpi_device *device, int type) { struct asus_laptop *asus = acpi_driver_data(device); + if (asus->pega_accel) + platform_device_unregister(asus->pega_accel); + asus_backlight_exit(asus); asus_rfkill_exit(asus); asus_led_exit(asus);