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Mon, 12 Oct 2026 08:42:46 -0700 (PDT) Received: from ROGZephyrusG16Air ([240e:b8f:977f:f400:ec2a:b15e:fef8:70a]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3ab36f46dfesm17098384a91.8.2026.10.12.08.42.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Oct 2026 08:42:45 -0700 (PDT) From: Liang Haowen To: linux-input@vger.kernel.org Cc: jikos@kernel.org, bentiss@kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] HID: add ALWAYS_POLL quirk for YJX-CHIP EWEADN wireless receivers Date: Mon, 12 Oct 2026 23:42:40 +0800 Message-ID: <20261012154240.33221-1-nbg2974@gmail.com> X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The 2.4 GHz receiver in EWEADN G5 wireless mice (YJX-CHIP A8A5:2255) presents its mouse data on a standard interrupt IN endpoint. usbhid only submits read URBs for an input device while a userspace consumer holds it open, so on boot or replug the mouse pointer stays dead until something opens the node. The same receiver ships with a number of other EWEADN models (A6, A7, E7, E9, E11, G2SE A, GS02 Pro, S7, S9SE, X23), so the quirk covers the whole family. Cc: Jiri Kosina Cc: Benjamin Tissoires Cc: linux-input@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Liang Haowen --- drivers/hid/hid-ids.h | 3 +++ drivers/hid/hid-quirks.c | 2 ++ 2 files changed, 5 insertions(+) diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index cb7f16d..1ccdfa5 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -1633,6 +1633,9 @@ #define USB_VENDOR_ID_YEALINK 0x6993 #define USB_DEVICE_ID_YEALINK_P1K_P4K_B2K 0xb001 +#define USB_VENDOR_ID_YJXCHIP 0xa8a5 +#define USB_DEVICE_ID_YJXCHIP_MOUSE 0x2255 + #define USB_VENDOR_ID_ZEROPLUS 0x0c12 #define USB_VENDOR_ID_ZYDACRON 0x13EC diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c index 96a36c5..92bd84e 100644 --- a/drivers/hid/hid-quirks.c +++ b/drivers/hid/hid-quirks.c @@ -222,6 +222,8 @@ static const struct hid_device_id hid_quirks[] = { { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD2, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS), HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT }, { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_QUAD_USB_JOYPAD), HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT }, { 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_LOGITECH, USB_DEVICE_ID_LOGITECH_GROUP_AUDIO), HID_QUIRK_NOGET }, { 0 } -- 2.55.0