svn commit: r262439 - head/sys/dev/usb/input
Hans Petter Selasky
hselasky at FreeBSD.org
Mon Feb 24 10:44:43 UTC 2014
Author: hselasky
Date: Mon Feb 24 10:44:42 2014
New Revision: 262439
URL: http://svnweb.freebsd.org/changeset/base/262439
Log:
Update ATP driver:
- Add support for emulating a mouse wheel, Z-axis.
Submitted by: Rohit Grover <rgrover1 at gmail.com>
MFC after: 2 weeks
Modified:
head/sys/dev/usb/input/atp.c
Modified: head/sys/dev/usb/input/atp.c
==============================================================================
--- head/sys/dev/usb/input/atp.c Mon Feb 24 09:40:03 2014 (r262438)
+++ head/sys/dev/usb/input/atp.c Mon Feb 24 10:44:42 2014 (r262439)
@@ -2075,18 +2075,16 @@ atp_reap_sibling_zombies(void *arg)
break;
default:
/* we handle taps of only up to 3 fingers */
- break;
+ return;
}
atp_add_to_queue(sc, 0, 0, 0, 0); /* button release */
- } else if (n_slides_reaped == 2) {
- if (n_horizontal_scrolls == 2) {
- if (horizontal_scroll < 0)
- atp_add_to_queue(sc, 0, 0, 0, MOUSE_BUTTON4DOWN);
- else
- atp_add_to_queue(sc, 0, 0, 0, MOUSE_BUTTON5DOWN);
- atp_add_to_queue(sc, 0, 0, 0, 0); /* button release */
- }
+ } else if ((n_slides_reaped == 2) && (n_horizontal_scrolls == 2)) {
+ if (horizontal_scroll < 0)
+ atp_add_to_queue(sc, 0, 0, 0, MOUSE_BUTTON4DOWN);
+ else
+ atp_add_to_queue(sc, 0, 0, 0, MOUSE_BUTTON5DOWN);
+ atp_add_to_queue(sc, 0, 0, 0, 0); /* button release */
}
}
@@ -2369,8 +2367,12 @@ atp_intr(struct usb_xfer *xfer, usb_erro
u_int8_t n_movements = 0;
int dx = 0;
int dy = 0;
+ int dz = 0;
TAILQ_FOREACH(strokep, &sc->sc_stroke_used, entry) {
+ if (strokep->flags & ATSF_ZOMBIE)
+ continue;
+
dx += strokep->movement_dx;
dy += strokep->movement_dy;
if (strokep->movement_dx ||
@@ -2384,9 +2386,26 @@ atp_intr(struct usb_xfer *xfer, usb_erro
dy /= (int)n_movements;
}
+ /* detect multi-finger vertical scrolls */
+ if (n_movements >= 2) {
+ boolean_t all_vertical_scrolls = true;
+ TAILQ_FOREACH(strokep, &sc->sc_stroke_used, entry) {
+ if (strokep->flags & ATSF_ZOMBIE)
+ continue;
+
+ if (!atp_is_vertical_scroll(strokep))
+ all_vertical_scrolls = false;
+ }
+ if (all_vertical_scrolls) {
+ dz = dy;
+ dy = dx = 0;
+ }
+ }
+
sc->sc_status.dx += dx;
sc->sc_status.dy += dy;
- atp_add_to_queue(sc, dx, -dy, 0, sc->sc_status.button);
+ sc->sc_status.dz += dz;
+ atp_add_to_queue(sc, dx, -dy, -dz, sc->sc_status.button);
}
case USB_ST_SETUP:
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