Messages in this thread | | | From | Dmitry Torokhov <> | Subject | Re: [RFC] Apple Motion Sensor driver | Date | Mon, 3 Jul 2006 09:16:36 -0400 |
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On Monday 03 July 2006 07:31, Stelian Pop wrote: > Le lundi 03 juillet 2006 à 20:49 +1000, Benjamin Herrenschmidt a écrit : > > On Mon, 2006-07-03 at 12:45 +0200, Michael Hanselmann wrote: > > > On Mon, Jul 03, 2006 at 12:12:47PM +0200, Stelian Pop wrote: > > > > > + > > > > > +static DEVICE_ATTR(mouse, S_IRUGO | S_IWUSR, > > > > > + ams_mouse_show_mouse, ams_mouse_store_mouse); > > > > > > > I would prefer three different files for x, y and z instead of a single > > > > one... > > > > > > Because of the way the values are calculated with orientation, that > > > would mean that if a program needs all three, either all values are read > > > three times or the ams_sensors function gets much more complicated. > > > > > > To prevent it from having to read them three times in a row, I joined > > > all three values. > > > > > > Do you think I should rewrite the ams_sensors function to only get the > > > correct value? > > > > Cache the values and only re-read from the hardware after a given amount > > of time has elapsed ? > > Seems to be a good idea indeed. >
But what is the purpose of that attribute anyway? I'd just drop it completely.
-- Dmitry - 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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