https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=224031
Bug ID: 224031
Summary: [usb][ukbd]: The USB keyboard driver does not force
the boot protocol
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Many People
Priority: ---
Component: usb
Assignee: freebsd-usb@FreeBSD.org
Reporter: free...@gergo.csillger.hu
FreeBSD does not set the protocol to boot for USB keyboards, like it does set
it to report for mice. This manifests such that when plugging in a keyboard
that supports both, the keyboard stays in report mode, which is the default.
As section 7.2.6 of the Device Class Definition
for Human Interface
Devices (HID) spec (http://www.usb.org/developers/hidpage/HID1_11.pdf) says:
> When initialized, all devices default to report protocol. However the host
> should
not make any assumptions about the device’s state and should set the desired
protocol whenever initializing a device.
Any keyboard that supports both, and conforms to the spec, will be unusable
under FreeBSD's ukbd driver.
I think - but this is as of yet untested - adding "err =
usbd_req_set_protocol(uaa->device, NULL, uaa->info.bIfaceIndex, 0);" right
after the "usb_test_quirk" call in "ukbd_probe" would do the right thing.
If I have time, I'll prepare a patch in the next day or two, but no guarantees.
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