Re: [PATCH] HID: quirks: Add ALWAYS_POLL quirk for Beitong BTP-KP20D dongle
From: Jiri Kosina
Date: Mon Aug 03 2026 - 15:18:26 EST
On Mon, 3 Aug 2026, Aaron Ma wrote:
> The BTP-KP20D dongle in Direct/HID mode (20dd:5159) re-enumerates every
> few seconds because usbhid never submits its interrupt-IN URB: no HID
> driver binds to the vendor-specific report descriptor, so the device is
> never opened, and the firmware treats the idle endpoint as a lost link.
>
> Add HID_QUIRK_ALWAYS_POLL to keep the interrupt-IN URB submitted from
> probe time.
Applied, thanks.
--
Jiri Kosina
SUSE Labs