touchpad: Make touchpad_get_delta() available from other files

No functional changes.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2014-02-07 14:39:21 +10:00
parent 1f656f12cf
commit 3df87f4fe3
2 changed files with 4 additions and 1 deletions

View file

@ -174,7 +174,7 @@ tp_estimate_delta(int x0, int x1, int x2, int x3)
return (x0 + x1 - x2 - x3) / 4;
}
static void
void
tp_get_delta(struct tp_touch *t, double *dx, double *dy)
{
if (t->history.count < 4) {

View file

@ -102,4 +102,7 @@ struct tp_dispatch {
#define tp_for_each_touch(_tp, _t) \
for (unsigned int _i = 0; _i < (_tp)->ntouches && (_t = &(_tp)->touches[_i]); _i++)
void
tp_get_delta(struct tp_touch *t, double *dx, double *dy);
#endif