[lkml]   [2006]   [Jul]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [RFC] Apple Motion Sensor driver
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 ?

> Thanks,
> Michael
> (All other issues, including those in the other mails, are clear and
> will be addressed by a new patch)

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2006-07-03 12:54    [W:0.077 / U:1.756 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site