Messages in this thread | | | Date | Wed, 2 Dec 2009 09:40:59 -0800 | From | Randy Dunlap <> | Subject | Re: [PATCH v4 5/5] LIS3: Update documentation to match latest changes |
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On Tue, 1 Dec 2009 10:33:42 +0200 Samu Onkalo wrote:
> Signed-off-by: Samu Onkalo <samu.p.onkalo@nokia.com> > Acked-by: Éric Piel <eric.piel@tremplin-utc.net> > --- > Documentation/hwmon/lis3lv02d | 31 ++++++++++++++++++++++++------- > 1 files changed, 24 insertions(+), 7 deletions(-) > > diff --git a/Documentation/hwmon/lis3lv02d b/Documentation/hwmon/lis3lv02d > index 21f0902..cd354e3 100644 > --- a/Documentation/hwmon/lis3lv02d > +++ b/Documentation/hwmon/lis3lv02d > @@ -20,18 +20,35 @@ sporting the feature officially called "HP Mobile Data Protection System 3D" or > > This driver also provides an absolute input class device, allowing > -the laptop to act as a pinball machine-esque joystick. > +the laptop to act as a pinball machine-esque joystick. Joystick device can be > +calibrated. Joystick device can be in two different modes. > +By default output values are scaled between -32768 .. 32767. In joystick raw > +mode, joystick and sysfs position entry have the same scale. There can be > +small difference due to input system fuzziness feature. > +Events are also available as input event device. > + > +Selftest is meant only for hardware diagnostic purposes. It is not meant to be > +used during normal operations. Position data is not corrupted during selftest > +but interrupt behaviour is not quaranteed to work reliably. In test mode, the
guaranteed
Otherwise looks good. Thanks.
> +sensing element is internally moved little bit. Selftest measures difference > +between normal mode and test mode. Chip specifications tell the acceptance > +limit for each type of the chip. Limits are provided via platform data > +to allow adjustment of the limits without a change to the actual driver. > +Seltest returns either "OK x y z" or "FAIL x y z" where x, y and z are > +measured difference between modes. Axes are not remapped in selftest mode. > +Measurement values are provided to help HW diagnostic applications to make > +final decision. > > On HP laptops, if the led infrastructure is activated, support for a led > indicating disk protection will be provided as /sys/class/leds/hp::hddprotect.
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