[PATCH xf86-input-synaptics v3 2/2] Turn down the default sensitivity for unibody MacBook touchpads
Peter Hutterer
peter.hutterer at who-t.net
Mon Jun 11 21:42:48 PDT 2012
On Fri, Jun 08, 2012 at 01:53:38PM -0700, Chase Douglas wrote:
> The touchpads are too sensitive by default. A touch is activated when a
> finger hovers a millimeter off the device. This change turns down the
> default sensitivity so that accidental touchpad interactions are
> lessened and pointer interaction accuracy is increased.
>
> Signed-off-by: Chase Douglas <chase.douglas at canonical.com>
> Reviewed-by: Peter Hutterer <peter.hutterer at who-t.net>
> ---
> src/synaptics.c | 12 +++++++++---
> 1 file changed, 9 insertions(+), 3 deletions(-)
>
> diff --git a/src/synaptics.c b/src/synaptics.c
> index 68d35e8..2144684 100644
> --- a/src/synaptics.c
> +++ b/src/synaptics.c
> @@ -319,17 +319,23 @@ static void
> calculate_tap_hysteresis(SynapticsPrivate * priv, int range,
> int *fingerLow, int *fingerHigh)
> {
> - if (priv->model == MODEL_ELANTECH) {
> + switch (priv->model) {
> + case MODEL_ELANTECH:
> /* All Elantech touchpads don't need the Z filtering to get the
> * number of fingers correctly. See Documentation/elantech.txt
> * in the kernel.
> */
> *fingerLow = priv->minp + 1;
> *fingerHigh = priv->minp + 1;
> - }
> - else {
> + break;
> + case MODEL_UNIBODY_MACBOOK:
> + *fingerLow = 70;
> + *fingerHigh = 75;
> + break;
> + default:
> *fingerLow = priv->minp + range * (25.0 / 256);
> *fingerHigh = priv->minp + range * (30.0 / 256);
> + break;
> }
> }
>
> --
> 1.7.9.5
>
both merged, thanks
Cheers,
Peter
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