OP entirely re-edited.
My Razer Cynosa chroma is one physical device (basically no more than a PC_105 keyboard) offering the particularity to offer 3 interfaces (1) one of them for simultaneously sending some scancode and another for sending some internally transcoded mouse report when whatever key is depressed.
I am looking for a way to use the latter as a mouse under X.
All the 3 interfaces are correctly enumerated at boot time and bound to the appropriate hid-generic in-kernel built driver (2)
Then rebound to the razerkbd driver at modeprobe time (3)
Each one of these being later on associated to input events and registered by the X11 server (xorg-server-21.1.4) :
- In an usual way for such devices regarding the first interface of keyboard type (device id 9) and the third of mouse type (device id 11) (4)
- In some unusual to me and at least ambiguous way for the second of keyboard type (device id 10). (5) (Cf. the Configuring as mouse / Configuring as keyboard sequence)
All this leading to confusing reports
$ xinput --list --short
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ MOSART Semi. 2.4G Wireless Mouse id=8 [slave pointer (2)]
⎜ ↳ Razer Razer Cynosa Chroma id=10 [slave pointer (2)]
⎜ ↳ Razer Razer Cynosa Chroma id=11 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ Power Button id=6 [slave keyboard (3)]
↳ Power Button id=7 [slave keyboard (3)]
↳ Razer Razer Cynosa Chroma id=9 [slave keyboard (3)]
(device id 10 reported only as slave pointer whereas initially registered of KEYBOARD type.)
Having noticed that cat /dev/input/event5
printouts mouslike communication when depressing any key and since event5 is linked to device id 10, xinput --test-xi2 10
only logs keyboard events type 13 (RawKeyPress) and 14 (RawKeyRelease)
Would evdev be somehow confused ?
1 : lsusb -vs 008:002
report :
$ lsusb -vs 008:002
Bus 008 Device 002: ID 1532:022a Razer USA, Ltd Cynosa Chroma
Device Descriptor:
…
Configuration Descriptor:
…
bNumInterfaces 3
…
Interface Descriptor:
…
bInterfaceClass 3 Human Interface Device
bInterfaceSubClass 1 Boot Interface Subclass
bInterfaceProtocol 1 Keyboard
…
Interface Descriptor:
…
bInterfaceClass 3 Human Interface Device
bInterfaceSubClass 0
bInterfaceProtocol 1 Keyboard
…
Interface Descriptor:
…
bInterfaceClass 3 Human Interface Device
bInterfaceSubClass 0
bInterfaceProtocol 2 Mouse
…
2 : Bootlog enumeration of usb devices
[kernel] input: Razer Razer Cynosa Chroma as /devices/pci0000:00/0000:00:1d.2/usb8/8-2/8-2:1.0/0003:1532:022A.0002/input/input4
[kernel] hid-generic 0003:1532:022A.0002: input: USB HID v1.11 Keyboard [Razer Razer Cynosa Chroma] on usb-0000:00:1d.2-2/input0
[kernel] input: Razer Razer Cynosa Chroma Keyboard as /devices/pci0000:00/0000:00:1d.2/usb8/8-2/8-2:1.1/0003:1532:022A.0003/input/input5
[kernel] input: Razer Razer Cynosa Chroma Consumer Control as /devices/pci0000:00/0000:00:1d.2/usb8/8-2/8-2:1.1/0003:1532:022A.0003/input/input6
[kernel] hid-generic 0003:1532:022A.0003: input: USB HID v1.11 Keyboard [Razer Razer Cynosa Chroma] on usb-0000:00:1d.2-2/input1
[kernel] input: Razer Razer Cynosa Chroma as /devices/pci0000:00/0000:00:1d.2/usb8/8-2/8-2:1.2/0003:1532:022A.0004/input/input9
[kernel] hid-generic 0003:1532:022A.0004: input: USB HID v1.11 Mouse [Razer Razer Cynosa Chroma] on usb-0000:00:1d.2-2/input2
3 : Rebinding of Razer interfaces at modprobe time
[kernel] input: Razer Razer Cynosa Chroma as /devices/pci0000:00/0000:00:1d.2/usb8/8-2/8-2:1.0/0003:1532:022A.0002/input/input10
[kernel] razerkbd 0003:1532:022A.0002: input: USB HID v1.11 Keyboard [Razer Razer Cynosa Chroma] on usb-0000:00:1d.2-2/input0
[kernel] input: Razer Razer Cynosa Chroma as /devices/pci0000:00/0000:00:1d.2/usb8/8-2/8-2:1.1/0003:1532:022A.0003/input/input11
[kernel] razerkbd 0003:1532:022A.0003: input: USB HID v1.11 Keyboard [Razer Razer Cynosa Chroma] on usb-0000:00:1d.2-2/input1
[kernel] input: Razer Razer Cynosa Chroma as /devices/pci0000:00/0000:00:1d.2/usb8/8-2/8-2:1.2/0003:1532:022A.0004/input/input12
[kernel] razerkbd 0003:1532:022A.0004: input: USB HID v1.11 Mouse [Razer Razer Cynosa Chroma] on usb-0000:00:1d.2-2/input2
4 : XCONFIG-ing of first keyboard interface and mouse interface
config/udev: Adding input device Razer Razer Cynosa Chroma (/dev/input/event4)
Razer Razer Cynosa Chroma: Applying InputClass "evdev keyboard catchall"
Razer Razer Cynosa Chroma: Applying InputClass "system-keyboard"
Using input driver 'evdev' for 'Razer Razer Cynosa Chroma'
systemd-logind: got fd for /dev/input/event4 13:68 fd 39 paused 0
Razer Razer Cynosa Chroma: always reports core events
evdev: Razer Razer Cynosa Chroma: Device: "/dev/input/event4"
evdev: Razer Razer Cynosa Chroma: Vendor 0x1532 Product 0x22a
evdev: Razer Razer Cynosa Chroma: Found keys
evdev: Razer Razer Cynosa Chroma: Configuring as keyboard
Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:1d.2/usb8/8-2/8-2:1.0/0003:1532:022A.0002/input/input10/event4"
Adding extended input device "Razer Razer Cynosa Chroma" (type: KEYBOARD, id 9)
Option "xkb_rules" "evdev"
config/udev: Adding input device Razer Razer Cynosa Chroma (/dev/input/event6)
Razer Razer Cynosa Chroma: Applying InputClass "evdev pointer catchall"
Using input driver 'evdev' for 'Razer Razer Cynosa Chroma'
systemd-logind: got fd for /dev/input/event6 13:70 fd 41 paused 0
Razer Razer Cynosa Chroma: always reports core events
evdev: Razer Razer Cynosa Chroma: Device: "/dev/input/event6"
evdev: Razer Razer Cynosa Chroma: Vendor 0x1532 Product 0x22a
evdev: Razer Razer Cynosa Chroma: Found 9 mouse buttons
evdev: Razer Razer Cynosa Chroma: Found scroll wheel(s)
evdev: Razer Razer Cynosa Chroma: Found relative axes
evdev: Razer Razer Cynosa Chroma: Found x and y relative axes
evdev: Razer Razer Cynosa Chroma: Configuring as mouse
evdev: Razer Razer Cynosa Chroma: Adding scrollwheel support
evdev: Razer Razer Cynosa Chroma: YAxisMapping: buttons 4 and 5
evdev: Razer Razer Cynosa Chroma: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:1d.2/usb8/8-2/8-2:1.2/0003:1532:022A.0004/input/input12/event6"
XINPUT: Adding extended input device "Razer Razer Cynosa Chroma" (type: MOUSE, id 11)
evdev: Razer Razer Cynosa Chroma: initialized for relative axes.
Razer Razer Cynosa Chroma: (accel) keeping acceleration scheme 1
Razer Razer Cynosa Chroma: (accel) acceleration profile 0
Razer Razer Cynosa Chroma: (accel) acceleration factor: 2.000
Razer Razer Cynosa Chroma: (accel) acceleration threshold: 4
5 : Ambiguous XCONFIG-ing of second keyboard interface
config/udev: Adding input device Razer Razer Cynosa Chroma (/dev/input/event5)
Razer Razer Cynosa Chroma: Applying InputClass "evdev keyboard catchall"
Razer Razer Cynosa Chroma: Applying InputClass "system-keyboard"
Using input driver 'evdev' for 'Razer Razer Cynosa Chroma'
systemd-logind: got fd for /dev/input/event5 13:69 fd 40 paused 0
Razer Razer Cynosa Chroma: always reports core events
evdev: Razer Razer Cynosa Chroma: Device: "/dev/input/event5"
evdev: Razer Razer Cynosa Chroma: Vendor 0x1532 Product 0x22a
evdev: Razer Razer Cynosa Chroma: Found 1 mouse buttons
evdev: Razer Razer Cynosa Chroma: Found scroll wheel(s)
evdev: Razer Razer Cynosa Chroma: Found relative axes
evdev: Razer Razer Cynosa Chroma: Forcing relative x/y axes to exist.
evdev: Razer Razer Cynosa Chroma: Found absolute axes
evdev: Razer Razer Cynosa Chroma: Forcing absolute x/y axes to exist.
evdev: Razer Razer Cynosa Chroma: Found keys
evdev: Razer Razer Cynosa Chroma: Configuring as mouse
evdev: Razer Razer Cynosa Chroma: Configuring as keyboard
evdev: Razer Razer Cynosa Chroma: Adding scrollwheel support
evdev: Razer Razer Cynosa Chroma: YAxisMapping: buttons 4 and 5
evdev: Razer Razer Cynosa Chroma: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:1d.2/usb8/8-2/8-2:1.1/0003:1532:022A.0003/input/input11/event5"
XINPUT: Adding extended input device "Razer Razer Cynosa Chroma" (type: KEYBOARD, id 10)
Option "xkb_rules" "evdev"
evdev: Razer Razer Cynosa Chroma: initialized for relative axes.
evdev: Razer Razer Cynosa Chroma: ignoring absolute axes.
Razer Razer Cynosa Chroma: (accel) keeping acceleration scheme 1
Razer Razer Cynosa Chroma: (accel) acceleration profile 0
Razer Razer Cynosa Chroma: (accel) acceleration factor: 2.000
Razer Razer Cynosa Chroma: (accel) acceleration threshold: 4
xev
and then use the "mouse"?xinput
?xinput --test-xi2 11
(assuming the id hasn't changed on reboot)? If yes, you can move this device under the core pointer device.