HID: quirks: Add ALWAYS_POLL quirk for Beitong BTP-KP20D dongle

Browse source

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.

Signed-off-by: Aaron Ma <mapengyu@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>

...

This commit is contained in:

Aaron Ma 2026-08-03 13:39:32 +08:00 • committed by Jiri Kosina

parent 83df7b5fa6

commit bfff246b3a

2 changed files with 4 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

3

drivers/hid/hid-ids.h

View file

1

drivers/hid/hid-quirks.c

View file