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 4085034845C; Wed, 3 Dec 2025 16:12:18 +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=1764778338; cv=none; b=quS/zfWzlsP0A2PXz0iCQcDqyBwPtNdp4cBEeD5POzNPzWXnpt3EwNNZzJaA27eh4ynMXyUUgRTMJ/Kcqwe+PH6YO+JuhpvFber04TZxQMUcJ+YQkKkB+AWBNYCjOOf8eX9RDGOj9ukzDHWL2pg1Tb438fIjjasYkpW+G1yG6EQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764778338; c=relaxed/simple; bh=B1wAi9YHQhEkIm8PNGNeHjZTE+CJ93PT2cZ6oWyEjqM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=H3K8i77IKycGDtjXQ12tzoTCA3MoJVCp+o2GKXyfHkWSuKv+vJfOsI9VamTShSG63rWmQOvbamNGwFhpSRgh6beXbyTPpTUgkztCmBls6mbj7tG92pNXs3G4xEHJ+jvULdw8NdsgWRyLRIqlZh311re9C8AOORg7XFerdM08OIY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=qeTNIUH7; 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="qeTNIUH7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8C234C4CEF5; Wed, 3 Dec 2025 16:12:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1764778338; bh=B1wAi9YHQhEkIm8PNGNeHjZTE+CJ93PT2cZ6oWyEjqM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qeTNIUH757W62G0bmuwfYJa118vOC+wX38uyrylEsAtK+Ham4X/n4R1GWFBRJ+A1X Q9DtN1vJb4nTSlQSIGybb/vyBQY6FZ362JHeThThEKMDZH4whQCj09ZQjbsMmLkndF A0oyNO37teFx5gV3eJ7LcY2XMzr9pOmI+pYROhf4= 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 5.15 282/392] HID: quirks: work around VID/PID conflict for 0x4c4a/0x4155 Date: Wed, 3 Dec 2025 16:27:12 +0100 Message-ID: <20251203152424.535895273@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251203152414.082328008@linuxfoundation.org> References: <20251203152414.082328008@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-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 @@ -1406,7 +1406,7 @@ #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 @@ -877,7 +877,6 @@ 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) }, { } }; @@ -1026,6 +1025,18 @@ 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 &&