[PATCH] HID: add ALWAYS_POLL quirk for YJX-CHIP EWEADN a8a4 units
flat view
From: Liang Haowen <hidden>
Date: 2026-11-01 15:09:15
Also in:
lkml
Subsystem:
hid core layer, the rest · Maintainers:
Jiri Kosina, Benjamin Tissoires, Linus Torvalds
Replacement receivers with VID 0xa8a4 first appeared here in October 2026, and the mice themselves use the same VID when connected by USB cable. The interface layout and endpoint match the original 0xa8a5 units, and the endpoint carries the same 9-byte report 0x02 payload, so extend the quirk to keep those pointers alive on boot and replug too. Link: https://lore.kernel.org/r/20261012154240.33221-1-nbg2974@gmail.com (local) Cc: Jiri Kosina <jikos@kernel.org> Cc: Benjamin Tissoires <bentiss@kernel.org> Cc: <redacted> Cc: <redacted> Signed-off-by: Liang Haowen <redacted> --- drivers/hid/hid-ids.h | 1 + drivers/hid/hid-quirks.c | 2 ++ 2 files changed, 3 insertions(+)
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 91319aa..1fc77cb 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h@@ -1654,6 +1654,7 @@ #define USB_VENDOR_ID_YJXCHIP 0xa8a5 #define USB_DEVICE_ID_YJXCHIP_MOUSE 0x2255 +#define USB_VENDOR_ID_YJXCHIP2 0xa8a4 #define USB_VENDOR_ID_ZEROPLUS 0x0c12
diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
index 793db00..362768b 100644
--- a/drivers/hid/hid-quirks.c
+++ b/drivers/hid/hid-quirks.c@@ -225,6 +225,8 @@ static const struct hid_device_id hid_quirks[] = { { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE), HID_QUIRK_MULTI_INPUT }, { HID_USB_DEVICE(USB_VENDOR_ID_YJXCHIP, USB_DEVICE_ID_YJXCHIP_MOUSE), HID_QUIRK_ALWAYS_POLL }, + { HID_USB_DEVICE(USB_VENDOR_ID_YJXCHIP2, USB_DEVICE_ID_YJXCHIP_MOUSE), + HID_QUIRK_ALWAYS_POLL }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_GROUP_AUDIO), HID_QUIRK_NOGET }, { 0 }
--
2.55.0