diff options
| author |   matthieu <matthieu@openbsd.org> | 2011-08-19 18:46:22 +0000 |
|---|---|---|
| committer | matthieu <matthieu@openbsd.org> | 2011-08-19 18:46:22 +0000 |
| commit | 91d439e9d74e996a1697559c92b226b538a1c7ae (patch) | |
| tree | 2757ca656d00be1c7e8cf5c1808b1e13524763c4 | |
| parent | Bring libc and libm in line with the compiler now that we no longer have a (diff) | |
| download | wireguard-openbsd-91d439e9d74e996a1697559c92b226b538a1c7ae.tar.xz wireguard-openbsd-91d439e9d74e996a1697559c92b226b538a1c7ae.zip | |
Let ums probe bounds of absolute devices if available.
ok shadchin@ some weeks ago.
| -rw-r--r-- | sys/dev/usb/hidms.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/sys/dev/usb/hidms.c b/sys/dev/usb/hidms.c index 261a56514c4..1a17cfa7a2d 100644 --- a/sys/dev/usb/hidms.c +++ b/sys/dev/usb/hidms.c @@ -1,4 +1,4 @@ -/* $OpenBSD: hidms.c,v 1.3 2011/04/07 15:30:16 miod Exp $ */ +/* $OpenBSD: hidms.c,v 1.4 2011/08/19 18:46:22 matthieu Exp $ */ /* $NetBSD: ums.c,v 1.60 2003/03/11 16:44:00 augustss Exp $ */ /* @@ -70,6 +70,8 @@ int hidms_setup(struct device *self, struct hidms *ms, uint32_t quirks, int id, void *desc, int dlen) { + struct hid_item h; + struct hid_data *d; uint32_t flags; int i, wheel, twheel; @@ -211,7 +213,24 @@ hidms_setup(struct device *self, struct hidms *ms, uint32_t quirks, ms->sc_loc_btn[1].pos = 9; ms->sc_loc_btn[2].pos = 10; } - + /* Parse descriptors to get touch panel bounds */ + d = hid_start_parse(desc, dlen, hid_input); + while (hid_get_item(d, &h)) { + switch (HID_GET_USAGE(h.usage)) { + case HUG_X: + if (ms->sc_flags & HIDMS_ABSX) { + ms->sc_tsscale.minx = h.logical_minimum; + ms->sc_tsscale.maxx = h.logical_maximum; + } + break; + case HUG_Y: + if (ms->sc_flags & HIDMS_ABSY) { + ms->sc_tsscale.miny = h.logical_minimum; + ms->sc_tsscale.maxy = h.logical_maximum; + } + break; + } + } return 0; } |