Re: [PATCH v4 0/7] HID: asus: ASUS Zenbook Duo keyboard support

[Rebecca Mara Müller]

On Tue, Oct 20, 2026 at 11:24:10AM +0200, Paolo Pisati wrote:
> - Drop the delayed handshake re-send: Rebecca measured that the
>   keyboard stays in hotkey mode without it.

Thank you for carrying this, and for the credit.

I tested v4 on the UX8407AA the same way as v3: applied on top of
e16927855d82 (hid.git for-7.4/asus), the resulting hid-asus.c matches
the index line of 7/7, built unmodified as an out-of-tree module
against a 7.0.11-based distribution kernel, with my userspace
workaround stopped.

- Docked (USB, 0b05:1cd7), with the module loaded and then three dock
  cycles: the five keyboard interfaces bind to hid-asus and the
  touchpad stays with hid-multitouch. The descriptor fixup is applied
  to the hotkey interface. The keyboard backlight key and Fn+F
  (balanced <-> performance) work. An evdev reader sees
  KEY_BRIGHTNESSDOWN/UP, KEY_VOLUMEDOWN/UP, KEY_MUTE and KEY_MICMUTE.
- Bluetooth (0b05:1cd8): the keyboard binds to hid-asus and the
  touchpad to hid-multitouch; backlight and Fn+F work. When the
  keyboard switches between USB and Bluetooth, the backlight goes off
  for about a second and comes back at the same level.
- 7/7: the input devices keep their names, "Primax Electronics Ltd.
  ASUS Zenbook Duo Keyboard" over USB and "ASUS Zenbook Duo Keyboard"
  over Bluetooth, the same as with hid-generic.

For the whole series:

Tested-by: Rebecca Mara Müller <rebecca.mara@xxxxxxxxx> # UX8407AA

Thanks,
Rebecca