[Bug 254974] Corsair K95 RGB PLATINUM gaming keyboard not working

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254974

            Bug ID: 254974
           Summary: Corsair K95 RGB PLATINUM gaming keyboard not working
           Product: Base System
           Version: 12.2-STABLE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: usb
          Assignee: usb at FreeBSD.org
          Reporter: lbartoletti at FreeBSD.org
                CC: hselasky at FreeBSD.org

Created attachment 224012
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=224012&action=edit
usbconfig dump

Hello,

I have a Corsair K95 RGB PLATINUM gaming keyboard but it doesn't work on
FreeBSD (tried on a laptop and a workstation).

I see comments from #233884 for others corsair keyboard, but unfortunately
added the quirk doesn't work or else, I'm doing things wrong.

What I did:

- webcamd -l
- usbconfig -u 6 -a 2 dump_device_desc (see attachment dump_corsair_k95)
- webcamd -d ugen6.2 (see attachment)
- add hw.usb.quirk.0="0x1b1c 0x1b2d 0 0xffff UQ_KBD_BOOTPROTO" in
/boot/loader.conf

reboot, etc.

I also patched sys/dev/usb/quirk/usb_quirk.c and sys/dev/usb/usbdevs without
success.



Let me know, how I can help to add the support of this keyboard. Thanks.



For information, there are at least three K95 keyboard with different id:

P_K95                0x1b11
P_K95_LEGACY         0x1b08
P_K95_PLATINUM       0x1b2d (mine)

other id taken from
https://github.com/ckb-next/ckb-next/blob/50ee67dde605f49efa50c3cb7a52ad62de689656/src/daemon/usb.h

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