diff options
Diffstat (limited to 'Documentation/hwmon/lis3lv02d')
| -rw-r--r-- | Documentation/hwmon/lis3lv02d | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/Documentation/hwmon/lis3lv02d b/Documentation/hwmon/lis3lv02d index 65dfb0c0fd67..0fcfc4a7ccdc 100644 --- a/Documentation/hwmon/lis3lv02d +++ b/Documentation/hwmon/lis3lv02d @@ -13,18 +13,21 @@ Author: 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 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 neverball). The accelerometer data is readable via +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 +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 +neverball). The accelerometer data is readable via /sys/devices/platform/lis3lv02d. Sysfs attributes under /sys/devices/platform/lis3lv02d/: position - 3D position that the accelerometer reports. Format: "(x,y,z)" -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. +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. rate - reports the sampling rate of the accelerometer device in HZ This driver also provides an absolute input class device, allowing @@ -39,11 +42,12 @@ the accelerometer are converted into a "standard" organisation of the axes * When the laptop is horizontal the position reported is about 0 for X and Y 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) + * If the front side (where the touchpad is) is elevated, Y decreases + (becomes negative) * If the laptop is put upside-down, Z becomes negative -If your laptop model is not recognized (cf "dmesg"), you can send an email to the -authors to add it to the database. When reporting a new laptop, please include -the output of "dmidecode" plus the value of /sys/devices/platform/lis3lv02d/position -in these four cases. +If your laptop model is not recognized (cf "dmesg"), you can send an +email to the authors to add it to the database. When reporting a new +laptop, please include the output of "dmidecode" plus the value of +/sys/devices/platform/lis3lv02d/position in these four cases. |