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SubjectRe: [PATCH 03/12] hdaps: Unify and cache hdaps readouts
Hi!

> >> + /* Parse position data: */
> >> + pos_x = *(s16*)(data.val+EC_ACCEL_IDX_XPOS1) * (hdaps_invert?-1:1);
> >> + pos_y = *(s16*)(data.val+EC_ACCEL_IDX_YPOS1) * (hdaps_invert?-1:1);
> >> +
> >> + /* Parse so-called "variance" data: */
> >> + var_x = *(s16*)(data.val+EC_ACCEL_IDX_XPOS2) * (hdaps_invert?-1:1);
> >> + var_y = *(s16*)(data.val+EC_ACCEL_IDX_YPOS2) * (hdaps_invert?-1:1);
> >
> >Perhaps hdaps_invert should already have 1/-1 values.
>
> It's also used as a module parameter, which is 0/1 in mainline. I
> don't think this is worth extra code.

Okay, so what about ..

#define CONVERT(x) *(s16*)(data.val+x) * (hdaps_invert?-1:1);

...or better inline function?

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