Messages in this thread | | | Date | Wed, 2 Feb 2005 16:17:28 -0500 | From | Dmitry Torokhov <> | Subject | Re: Touchpad problems with 2.6.11-rc2 |
| |
On Wed, 02 Feb 2005 13:07:21 -0800 (PST), Peter Osterlund <petero2@telia.com> wrote: > + if (mousedev->pkt_count >= 2) { > + tmp = ((fx(0) - fx(2)) * (250 * FRACTION_DENOM)) / size; > + tmp += mousedev->frac_dx; > + mousedev->packet.dx = tmp / FRACTION_DENOM; > + mousedev->frac_dx = tmp - mousedev->packet.dx * FRACTION_DENOM; > + }
What about setting scale to 256 and fractions to 128 - that should save some cycles? Or it will be too much?
-- 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/
| |