Author: wulf
Date: Mon Mar 9 21:01:22 2020
New Revision: 358824
URL: https://svnweb.freebsd.org/changeset/base/358824
Log:
wmt(4): Fix Synaptics Touch Digitizer V04 attachment
Touch Digitizer V04 report descriptor declares 'Contact Count Maximum' usage
as constant. That was not supported by descriptor parser.
PR: 232040
Reported by: Sergei Akhmatdinov <sakhmatd@darkn.space>
MFC after: 1 week
Modified:
head/sys/dev/usb/input/wmt.c
Modified: head/sys/dev/usb/input/wmt.c
==============================================================================
--- head/sys/dev/usb/input/wmt.c Mon Mar 9 20:49:59 2020
(r358823)
+++ head/sys/dev/usb/input/wmt.c Mon Mar 9 21:01:22 2020
(r358824)
@@ -655,9 +655,8 @@ wmt_hid_parse(struct wmt_softc *sc, const void *d_ptr,
thqa_cert_rid = hi.report_ID;
break;
}
- if (hi.collevel == 1 && touch_coll &&
- WMT_HI_ABSOLUTE(hi) && hi.usage ==
- HID_USAGE2(HUP_DIGITIZERS, HUD_CONTACT_MAX)) {
+ if (hi.collevel == 1 && touch_coll && hi.usage ==
+ HID_USAGE2(HUP_DIGITIZERS, HUD_CONTACT_MAX)) {
cont_count_max = hi.logical_maximum;
cont_max_rid = hi.report_ID;
if (sc != NULL)
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