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    SubjectRe: [PATCH] lis3lv02d: add axes knowledge of HP Pavilion dv5 models
    > On Sat, Feb 7, 2009 at 3:47 PM, Éric Piel <eric.piel@tremplin-utc.net> wrote:
    > > Giuseppe Bilotta schreef:
    > >> Add support for HP Pavlion dv5 models, whose sensor has an inverted x
    > >> axis.
    > >>
    > >> Signed-off-by: Giuseppe Bilotta <giuseppe.bilotta@gmail.com>
    > > Acked-by: Eric Piel <Eric.Piel@tremplin-utc.net>
    > >
    > > Looks good.
    > > Andrew, would you mind queuing it?
    > >> ---
    > >> My HP Pavilion dv5 has an inverted x axis of the accelerometer, so this
    > >> patch marks the inversion for all the dv5. I can include the full
    > >> dmidecode output if this is deemed necessary.
    > >>
    > >> With the laptop standing still on my desk jstest reports X and Y values
    > >> fluctuating from -8k to +8k (more or less). I assume this is normal?
    > > What does "k" stands for? If that's the unit of the joystick output:
    > > yes, that's perfectly normal, just some noise/vibration. If that's 1000,
    > > it's far too much to be normal.
    >
    > k is for thousands. I thought it could have been normal because
    > someone (Pavel?) mentioned the disk park script trigged even if he was
    > just walking around, so I just assumed the sensor to be extremely

    I believe that it is designed to trigger at walking.

    > sensible. OTOH the maximum range of the sensor, as reported by jstest,
    > seems to be -32k to +32k, and 8k is about one forth of it. Considering
    > sometimes the fluctuations even peak to 12k, there might be something
    > else at play here. Any suggestions on helping debug the issue are
    > welcome.

    Ok, at my machine it fluctuates around 1K when sitting on the desk,
    and maximum range is about 13-15K. So your values seem little too noisy.

    Pavel
    --
    (english) http://www.livejournal.com/~pavelmachek
    (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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