From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754508AbZCBOcV (ORCPT ); Mon, 2 Mar 2009 09:32:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751996AbZCBOcG (ORCPT ); Mon, 2 Mar 2009 09:32:06 -0500 Received: from buzzloop.caiaq.de ([212.112.241.133]:44351 "EHLO buzzloop.caiaq.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751774AbZCBOcF (ORCPT ); Mon, 2 Mar 2009 09:32:05 -0500 From: Daniel Mack To: linux-kernel@vger.kernel.org Cc: Pavel Machek , Pavel Machek , Eric Piel , Vladimir Botka , , Andrew Morton Subject: Date: Mon, 2 Mar 2009 15:31:47 +0100 Message-Id: <1236004310-29196-2-git-send-email-daniel@caiaq.de> X-Mailer: git-send-email 1.6.1.3 In-Reply-To: <1236004310-29196-1-git-send-email-daniel@caiaq.de> References: <49ABB22F.7040508@tremplin-utc.net> <1236004310-29196-1-git-send-email-daniel@caiaq.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Pavel Machek Fix english in Documentation, add "how to test" description. Signed-off-by: Pavel Machek Cc: Eric Piel Cc: Vladimir Botka Cc: Signed-off-by: Andrew Morton --- This patch is already in the -mm tree, posted as reference only. Documentation/hwmon/lis3lv02d | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) diff -puN Documentation/hwmon/lis3lv02d~hp_accel-small-documentation-updates Documentation/hwmon/lis3lv02d --- a/Documentation/hwmon/lis3lv02d~hp_accel-small-documentation-updates +++ a/Documentation/hwmon/lis3lv02d @@ -1,11 +1,11 @@ Kernel driver lis3lv02d -================== +======================= Supported chips: * STMicroelectronics LIS3LV02DL and LIS3LV02DQ -Author: +Authors: Yan Burman Eric Piel @@ -15,7 +15,7 @@ Description This driver provides support for the accelerometer found in various HP laptops sporting the feature officially called "HP Mobile Data -Protection System 3D" or "HP 3D DriveGuard". It detect automatically +Protection System 3D" or "HP 3D DriveGuard". It detects automatically laptops with this sensor. Known models (for now the HP 2133, nc6420, nc2510, nc8510, nc84x0, nw9440 and nx9420) will have their axis automatically oriented on standard way (eg: you can directly play @@ -27,7 +27,7 @@ position - 3D position that the accelero calibrate - read: values (x, y, z) that are used as the base for input class device operation. write: forces the base to be recalibrated with the current - position. + position. rate - reports the sampling rate of the accelerometer device in HZ This driver also provides an absolute input class device, allowing @@ -48,7 +48,7 @@ For better compatibility between the var the accelerometer are converted into a "standard" organisation of the axes (aka "can play neverball out of the box"): * When the laptop is horizontal the position reported is about 0 for X and Y -and a positive value for Z + and a positive value for Z * If the left side is elevated, X increases (becomes positive) * If the front side (where the touchpad is) is elevated, Y decreases (becomes negative) @@ -59,3 +59,13 @@ email to the authors to add it to the da laptop, please include the output of "dmidecode" plus the value of /sys/devices/platform/lis3lv02d/position in these four cases. +Q&A +--- + +Q: How do I safely simulate freefall? I have an HP "portable +workstation" which has about 3.5kg and a plastic case, so letting it +fall to the ground is out of question... + +A: The sensor is pretty sensitive, so your hands can do it. Lift it +into free space, follow the fall with your hands for like 10 +centimeters. That should be enough to trigger the detection. _