Author: thompsa
Date: Wed May 12 22:43:33 2010
New Revision: 208009
URL: http://svn.freebsd.org/changeset/base/208009
Log:
Enable support for mouse panning wheels.
Submitted by: Henry Hu
Modified:
head/sys/dev/usb/input/ums.c
head/sys/dev/usb/usbhid.h
Modified: head/sys/dev/usb/input/ums.c
==============================================================================
--- head/sys/dev/usb/input/ums.c Wed May 12 22:42:35 2010
(r208008)
+++ head/sys/dev/usb/input/ums.c Wed May 12 22:43:33 2010
(r208009)
@@ -286,6 +286,12 @@ ums_intr_callback(struct usb_xfer *xfer,
DPRINTFN(6, "x:%d y:%d z:%d t:%d w:%d buttons:0x%08x\n",
dx, dy, dz, dt, dw, buttons);
+ /* translate T-axis into button presses until further */
+ if (dt > 0)
+ buttons |= 1UL << 3;
+ else if (dt < 0)
+ buttons |= 1UL << 4;
+
sc->sc_status.button = buttons;
sc->sc_status.dx += dx;
sc->sc_status.dy += dy;
@@ -454,6 +460,12 @@ ums_hid_parse(struct ums_softc *sc, devi
if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS) {
info->sc_flags |= UMS_FLAG_T_AXIS;
}
+ } else if (hid_locate(buf, len, HID_USAGE2(HUP_CONSUMER,
+ HUC_AC_PAN), hid_input, index, &info->sc_loc_t,
+ &flags, &info->sc_iid_t)) {
+
+ if ((flags & MOUSE_FLAGS_MASK) == MOUSE_FLAGS)
+ info->sc_flags |= UMS_FLAG_T_AXIS;
}
/* figure out the number of buttons */
Modified: head/sys/dev/usb/usbhid.h
==============================================================================
--- head/sys/dev/usb/usbhid.h Wed May 12 22:42:35 2010 (r208008)
+++ head/sys/dev/usb/usbhid.h Wed May 12 22:43:33 2010 (r208009)
@@ -156,6 +156,9 @@ struct usb_hid_descriptor {
#define HUD_ERASER 0x0045
#define HUD_TABLET_PICK 0x0046
+/* Usages, Consumer */
+#define HUC_AC_PAN 0x0238
+
#define HID_USAGE2(p,u) (((p) << 16) | (u))
#define UHID_INPUT_REPORT 0x01
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