Messages in this thread | | | Date | Mon, 9 Feb 2009 10:47:48 +0100 | From | Pavel Machek <> | Subject | Re: [PATCH] lis3lv02d: add axes knowledge of HP Pavilion dv5 models |
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> 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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