Author: wulf Date: Sat Nov 10 22:14:09 2018 New Revision: 340338 URL: https://svnweb.freebsd.org/changeset/base/340338
Log: wmt(4): Add PNP record so it could be picked by devd/devmatch. Fix uhid(4) conflict with blacklisting of multitouch HID-usages in uhid(4) probe handler. Reviewed by: imp No objections from: hps MFC after: 1 month Differential Revision: https://reviews.freebsd.org/D17689 Modified: head/sys/dev/usb/input/uhid.c head/sys/dev/usb/input/wmt.c Modified: head/sys/dev/usb/input/uhid.c ============================================================================== --- head/sys/dev/usb/input/uhid.c Sat Nov 10 21:02:32 2018 (r340337) +++ head/sys/dev/usb/input/uhid.c Sat Nov 10 22:14:09 2018 (r340338) @@ -675,6 +675,8 @@ uhid_probe(device_t dev) { struct usb_attach_arg *uaa = device_get_ivars(dev); int error; + void *buf; + uint16_t len; DPRINTFN(11, "\n"); @@ -700,6 +702,25 @@ uhid_probe(device_t dev) ((uaa->info.bInterfaceProtocol == UIPROTO_MOUSE) && !usb_test_quirk(uaa, UQ_UMS_IGNORE)))) return (ENXIO); + + /* Check for mandatory multitouch usages to give wmt(4) a chance */ + if (!usb_test_quirk(uaa, UQ_WMT_IGNORE)) { + error = usbd_req_get_hid_desc(uaa->device, NULL, + &buf, &len, M_USBDEV, uaa->info.bIfaceIndex); + /* Let HID decscriptor-less devices to be handled at attach */ + if (!error) { + if (hid_locate(buf, len, + HID_USAGE2(HUP_DIGITIZERS, HUD_CONTACT_MAX), + hid_feature, 0, NULL, NULL, NULL) && + hid_locate(buf, len, + HID_USAGE2(HUP_DIGITIZERS, HUD_CONTACTID), + hid_input, 0, NULL, NULL, NULL)) { + free(buf, M_USBDEV); + return (ENXIO); + } + free(buf, M_USBDEV); + } + } return (BUS_PROBE_GENERIC); } Modified: head/sys/dev/usb/input/wmt.c ============================================================================== --- head/sys/dev/usb/input/wmt.c Sat Nov 10 21:02:32 2018 (r340337) +++ head/sys/dev/usb/input/wmt.c Sat Nov 10 22:14:09 2018 (r340338) @@ -856,6 +856,12 @@ wmt_cont_max_parse(struct wmt_softc *sc, const void *r } } +static const STRUCT_USB_HOST_ID wmt_devs[] = { + /* generic HID class w/o boot interface */ + {USB_IFACE_CLASS(UICLASS_HID), + USB_IFACE_SUBCLASS(0),}, +}; + static devclass_t wmt_devclass; static device_method_t wmt_methods[] = { @@ -876,3 +882,4 @@ DRIVER_MODULE(wmt, uhub, wmt_driver, wmt_devclass, NUL MODULE_DEPEND(wmt, usb, 1, 1, 1); MODULE_DEPEND(wmt, evdev, 1, 1, 1); MODULE_VERSION(wmt, 1); +USB_PNP_HOST_INFO(wmt_devs); _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
