| Message ID | 1484915417-10499-2-git-send-email-phil@philjordan.eu (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/hw/usb/dev-hid.c b/hw/usb/dev-hid.c index 24d05f7..a23e5d4 100644 --- a/hw/usb/dev-hid.c +++ b/hw/usb/dev-hid.c @@ -144,7 +144,7 @@ static const USBDescIface desc_iface_tablet = { .bInterfaceNumber = 0, .bNumEndpoints = 1, .bInterfaceClass = USB_CLASS_HID, - .bInterfaceProtocol = 0x02, + .bInterfaceProtocol = 0x00, .ndesc = 1, .descs = (USBDescOther[]) { { @@ -174,7 +174,7 @@ static const USBDescIface desc_iface_tablet2 = { .bInterfaceNumber = 0, .bNumEndpoints = 1, .bInterfaceClass = USB_CLASS_HID, - .bInterfaceProtocol = 0x02, + .bInterfaceProtocol = 0x00, .ndesc = 1, .descs = (USBDescOther[]) { {
This should be non-zero for boot protocol devices only, which the usb-tablet is not. A boot protocol of 0x02 specifically confuses OS X/macOS' HID driver stack, causing it to generate additional bogus HID events with relative motion in addition to the tablet's absolute coordinate events. Signed-off-by: Phil Dennis-Jordan <phil@philjordan.eu> --- hw/usb/dev-hid.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)