From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8868D257855; Mon, 1 Dec 2025 11:34:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764588845; cv=none; b=revc75y8tf+JaUnT+xaEWZT5GFE9fLrDsjZoC57YRBVj4unJef35L15A6RIrAtztUkUkHt39nDLWhA+s+3sLWQ4YfVhhl9NSwFuQx8scByWaFZelmL1GHrK6jxAy3nRRYtau7zeeSnAmu6Fm8gW/gO+kY/eTVL8BBx1ntlpOOu4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764588845; c=relaxed/simple; bh=VcxRw78XDiTUaOjx754TuM/693JVYIg4VJ7sWoiFySY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=CpywBN2F6YA5dhyx8p7KeEMxaCEM7miq+TGqBIRiFO/FDLUE65weoQ/uEUcIq4TQk61QlqmCudWfRSWsNZWittLuiybjBwM3L8A3oRh0/huvcPZ+FTfTo1jxEPYJ65pJRvVRQWCdYJNaSdTGn3RFKN2+n8/PCEmV2G8fw9m53ac= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=lePPdTtl; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="lePPdTtl" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0CF74C4CEF1; Mon, 1 Dec 2025 11:34:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1764588845; bh=VcxRw78XDiTUaOjx754TuM/693JVYIg4VJ7sWoiFySY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lePPdTtlVM5xmguLePiCz7AtlL3+Lu9zeZW21xwvs7LmGkDduf517kDeXbSxU00Kt wAZCP0dgCaxcLQ+vuKlbOeDeziCtPzdGwbqgKwrk1FOLS43zt4RWt9YdoLsFop2P7h YMio9qyM98Tl+nBrW5q29ZLUD6+qdbxVi5HFi4Gw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, staffan.melin@oscillator.se, Terry Junge , Zhang Heng , Jiri Kosina Subject: [PATCH 5.4 159/187] HID: quirks: work around VID/PID conflict for 0x4c4a/0x4155 Date: Mon, 1 Dec 2025 12:24:27 +0100 Message-ID: <20251201112246.959877112@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251201112241.242614045@linuxfoundation.org> References: <20251201112241.242614045@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Zhang Heng commit beab067dbcff642243291fd528355d64c41dc3b2 upstream. Based on available evidence, the USB ID 4c4a:4155 used by multiple devices has been attributed to Jieli. The commit 1a8953f4f774 ("HID: Add IGNORE quirk for SMARTLINKTECHNOLOGY") affected touchscreen functionality. Added checks for manufacturer and serial number to maintain microphone compatibility, enabling both devices to function properly. [jkosina@suse.com: edit shortlog] Fixes: 1a8953f4f774 ("HID: Add IGNORE quirk for SMARTLINKTECHNOLOGY") Cc: stable@vger.kernel.org Tested-by: staffan.melin@oscillator.se Reviewed-by: Terry Junge Signed-off-by: Zhang Heng Signed-off-by: Jiri Kosina Signed-off-by: Greg Kroah-Hartman --- drivers/hid/hid-ids.h | 4 ++-- drivers/hid/hid-quirks.c | 13 ++++++++++++- 2 files changed, 14 insertions(+), 3 deletions(-) --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -1352,7 +1352,7 @@ #define USB_VENDOR_ID_SIGNOTEC 0x2133 #define USB_DEVICE_ID_SIGNOTEC_VIEWSONIC_PD1011 0x0018 -#define USB_VENDOR_ID_SMARTLINKTECHNOLOGY 0x4c4a -#define USB_DEVICE_ID_SMARTLINKTECHNOLOGY_4155 0x4155 +#define USB_VENDOR_ID_JIELI_SDK_DEFAULT 0x4c4a +#define USB_DEVICE_ID_JIELI_SDK_4155 0x4155 #endif --- a/drivers/hid/hid-quirks.c +++ b/drivers/hid/hid-quirks.c @@ -882,7 +882,6 @@ static const struct hid_device_id hid_ig #endif { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) }, { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_HP_5MP_CAMERA_5473) }, - { HID_USB_DEVICE(USB_VENDOR_ID_SMARTLINKTECHNOLOGY, USB_DEVICE_ID_SMARTLINKTECHNOLOGY_4155) }, { } }; @@ -1031,6 +1030,18 @@ bool hid_ignore(struct hid_device *hdev) strlen(elan_acpi_id[i].id))) return true; break; + case USB_VENDOR_ID_JIELI_SDK_DEFAULT: + /* + * Multiple USB devices with identical IDs (mic & touchscreen). + * The touch screen requires hid core processing, but the + * microphone does not. They can be distinguished by manufacturer + * and serial number. + */ + if (hdev->product == USB_DEVICE_ID_JIELI_SDK_4155 && + strncmp(hdev->name, "SmartlinkTechnology", 19) == 0 && + strncmp(hdev->uniq, "20201111000001", 14) == 0) + return true; + break; } if (hdev->type == HID_TYPE_USBMOUSE &&