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 72A4D28D8E8; Thu, 27 Nov 2025 14:52:29 +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=1764255149; cv=none; b=kVsjII0b8EyfBW3tc5S2aLNXuIJZePx5NhueYKqts5b6GgOpeAxG857gTKD2WcvalbmaoyIQ0dYKmJpOnANFlkiCUWBCX/hhMh7NNk95jI5d6N5ablX9zAJWeFNTmOMun9vqkHzUP0q5uSNO8whisVGLjBEv4UxRPMd8dEmtPp0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764255149; c=relaxed/simple; bh=fXSqA5HAGSr1fZC3+JfoBPZpWPl3Un7nOtj6fxnGyKw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=M2npgUl/r9o0gzlwj8RGKVGFBYNKMIVvjWk+FOvfvfrV3E+MANpbHRyXMJKlk4cdi6PvwoOJz+hrsDdGgriXDFUrbTMinvR/LVFf/PHgh4ud/XrneWBPmFG0CLcEigH2H/HXHRGO9PKVxhHd8QVNP6PXDWlFjgiPd/5UoKCEdNc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=HK68nN3Y; 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="HK68nN3Y" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F2CB4C113D0; Thu, 27 Nov 2025 14:52:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1764255149; bh=fXSqA5HAGSr1fZC3+JfoBPZpWPl3Un7nOtj6fxnGyKw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HK68nN3YSN8UTndC+yx0m4PQdYLCqcjH1MlpHU4qRGyreS7hR4c6NBsCsjSXz9Rxk Qitds4zeySbobYPrOjUZJ7lbBBRRWv9SODGrPRo3wtVIsiHCbMdYNmVJ2lzE5/jV7m sYfdzobErBB5GiBKIudtpy2Qhgg39fpAwqN29pNM= 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 6.12 004/112] HID: quirks: work around VID/PID conflict for 0x4c4a/0x4155 Date: Thu, 27 Nov 2025 15:45:06 +0100 Message-ID: <20251127144032.873589827@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251127144032.705323598@linuxfoundation.org> References: <20251127144032.705323598@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 6.12-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 @@ -1528,7 +1528,7 @@ #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 @@ -900,7 +900,6 @@ 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) }, { } }; @@ -1057,6 +1056,18 @@ 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 &&