[PATCH synaptics 15/21] More accurate extrapolated fake motion events

[Daniel Stone]

Hi,

On Wed, Jun 15, 2011 at 12:41:54PM +0800, Daniel Kurtz wrote:
> On Wed, Jun 15, 2011 at 1:06 AM, Daniel Stone <daniel at fooishbar.org> wrote:
> > -    *dx = -xb1 * (HIST(0).millis - hw->millis);
> > -    *dy = -yb1 * (HIST(0).millis - hw->millis);
> > +    *dx = -xb1 * (start_time - hw->millis);
> > +    *dy = -yb1 * (start_time - hw->millis);
> 
> Why not like this... it is slightly easier on the brain, at least for me:
> 
> +    *dx = xb1 * (hw->millis - start_time);
> +    *dy = yb1 * (hw->millis - start_time);

There's now a comment explaining this.

Cheers,
Daniel