Thread (2 messages) flat view 2 messages, 2 authors, 11d ago

Re: [PATCH] HID: quirks: Add ALWAYS_POLL quirk for Beitong BTP-KP20D dongle

From: Jiri Kosina <jikos@kernel.org>
Date: 2026-08-03 19:16:50
Also in: lkml

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
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