Hi,
For easier readability I don't refer to the patch but to the code with
this patch applied:
> while((ret = ts_read(priv->ts, &samp, 1)) == 1) {
What does ts_read return when there's no more data available at the moment?
>From looking at the tslib source code it is not clear to me whether it is 0
or -1.
> if(samp.pressure) {
> int tmp_x = samp.x;
>
> switch(priv->rotate) {
> case TSLIB_ROTATE_CW: samp.x = samp.y;
> samp.y = priv->width - tmp_x;
> break;
> case TSLIB_ROTATE_UD: samp.x = priv->width - samp.x;
> samp.y = priv->height - samp.y;
> break;
> case TSLIB_ROTATE_CCW: samp.x = priv->height - samp.y;
> samp.y = tmp_x;
> break;
> default: break;
> }
>
> priv->lastx = samp.x;
> priv->lasty = samp.y;
> x = samp.x;
> y = samp.y;
>
> xf86XInputSetScreen(local, priv->screen_num,
> samp.x,
> samp.y);
>
> xf86PostMotionEvent (local->dev, TRUE, 0, 2,
> x, y);
>
> }
>
> if(!!priv->lastp != !!samp.pressure) {
> priv->lastp = samp.pressure;
>
> xf86PostButtonEvent(local->dev, TRUE,
> 1, !!samp.pressure, 0, 2,
> priv->lastx,
> priv->lasty);
> }
> }
>
> if (ret < 0) {
> ErrorF("ts_read failed\n");
If it's -1 then message is issued whenever we leave this function. Test
for errno == -EAGAIN maybe?
Sascha
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