From nobody Mon Sep 28 17:49:01 2026 Received: from mail-lj1-f170.google.com (mail-lj1-f170.google.com [209.85.208.170]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9E1162D738A for ; Wed, 19 Aug 2026 12:33:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.170 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787142829; cv=none; b=L2cpR3p709J4krXmJgXhk/4fupO3jQuIS6b8pZbc5pbGnRNcz7/7+cSHaXbI8TLtFA/xjeYoC6X3eivbLilsa4RPWL5YpjAWOaJYYyJ++10zi2Lrx6IiHeAbgvcI/dlxn2cltzwR7UcQSPrK60o2k21iwc/a8P0fB5/J+c4LTcY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787142829; c=relaxed/simple; bh=3M4MvbJ0PG0fAzy2GYJO0lrIxr/WHWatGn66ZGJR9PM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=MGHMPaaP6a1v7Uu0c188GlgApkgpWDoMGhhTkMWcReF5baXFqwFu2T2hxoOWtpU9bHzaNBQxVf9Que4E5Z4smh22BYDFxTt0V2vlz+t8W6iRk9310SRbBagrnv2LctXO0wbIkzc4g3h8cnCsTS76hTk4EynnpMUBMKWUeVPi/vU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=kDf2EOhF; arc=none smtp.client-ip=209.85.208.170 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="kDf2EOhF" Received: by mail-lj1-f170.google.com with SMTP id 38308e7fff4ca-39c86945164so9191461fa.1 for ; Wed, 19 Aug 2026 05:33:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1787142824; x=1787747624; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=YFk5C0500ZjZAbxn5U6xUeScbsN60+wS54Wq9n+z/vg=; b=kDf2EOhFzrSaUM9T0AM6m/NuDxQF3FlgJkhvMPzWOBND0EWLu8nbsRmx2ZWd1OZAhe eBsHNCxEDf0Sp64w0L/3aacD4BgJ48Xouir5Ej8TtrqkFqOhOiJ48iyRoyZMtk0hSYCB Wkv6eF63LNRt2O5bdxaVws+CWJS86ZRL6ufzuioKbxejWApRuqKLaY/1LSCGwR7n2y+D 1yGwyeIStE96iEChSAAI2bbD5XJICMLvdL0EuKKp+VCmsSC3LIwXM/mmxkeBfTCg8aoJ QumSiIQ4TCZDIWcIDRG5l5M/zDpjCFb+LyOmTW+c9dxSp+2cfO3cMOPKYTnKYKSBiscd 9DBQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1787142824; x=1787747624; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=YFk5C0500ZjZAbxn5U6xUeScbsN60+wS54Wq9n+z/vg=; b=WppwwhRj9pAg96oG6CKhx5kVUESBIvkWjUrQV057R23Rwm0MEjqmps1p3ZRo5Wchh7 aPgkjA7kzfzoyS5/uVdClw1r8F3BxuKy2NBtExKnFxuCZ7Td84kGlYdxyOvdws8ZmVA9 Q1jy1OX9Ft66nK1zkgfpVVEYVDVrJlWgXr7Jnngkbnm+Imtj/YkT9nRGdBHFdnmz3LeU pTeqWqa6x1gaJu5DYpFE21NMzYJBTDDI2z0+lGFDKSfb/AmGMoloeRqbY9hAfj5Y00ZN 39MZK0uximT0bSlNp0WwsPpBS9dRs8wnBP/R56j9mWB23YsC76x7Vui2Ew2JNAikY0P5 v/Dg== X-Forwarded-Encrypted: i=1; AHgh+RqZ8SNSB+yvLZqTblriNQ4AfI3NkmNa3vUS098pS3cmuiijCNo/ZFCdEk9Nwh3ZOvwSfRiyYzYauPShGR0=@vger.kernel.org X-Gm-Message-State: AOJu0YzqtXMJwQvgdJJt4BpB7j0J+4j9a9qmKXeg6BDlDbxCSP7f9DPX U9jgwFAXXvIa48dbSfSs9L4pfeh6fgoU9ODFAB2pycC+R9WJDkRDl18zfQ++wcTQJX42yA== X-Gm-Gg: AR+sD10rhEchJJ6wxEgnfR3BK7JcKEhvqxtOXHZhAUuU7Avp7tdo0BLHldmSyKFtHlF qTxGSz1GzjOFO9VUxJc3HdYO47n+jq4QCM0DlhQp5JkibpfpUf/vHwPk3lNhOqfXrN5S6pdbPkf Xy2OjKILkxyB9EhT4IR5EJgW6OrKiXgPAOaoCqpu43jrYcQFiP875q3Z9nc10cqx57LswAqiDTG la+d1as0JXO+6zh5dQTMcppng0lxFMmlF3pdGX89SHnZ5WZmxqPO46cJ1EBJqk9gMr94o6fey40 90RA4lzNBO9Tra8ZcWY10RLpwySC+ngu0BCUejYZL6O0Z7YtFfK5Ggo1KXnpYVTzlu3cDHhSF32 pZr0q3AbuE4DCHPSdBz8lQspO/yawuHPhTSpORqf/l8ZOIk5HzzJyGgTq4PhUA+E26shL8SHRFq LsEHR+9pKYM1rXQ8gfAeK/e+l3Ma7JxyYd3vP02QJOpxdplHwoXvYGYruNqtfeB9U= X-Received: by 2002:a2e:a989:0:b0:39f:75f5:907d with SMTP id 38308e7fff4ca-3a18973dc12mr7678431fa.2.1787142823884; Wed, 19 Aug 2026 05:33:43 -0700 (PDT) Received: from archlinux ([89.232.117.141]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5b47885abfdsm489672e87.19.2026.08.19.05.33.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Aug 2026 05:33:42 -0700 (PDT) From: Ruzal Daminov To: jikos@kernel.org, bentiss@kernel.org Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, Ruzal Daminov Subject: [PATCH v4] HID: multitouch: add support for Goodix GXTP7863 touchpad Date: Wed, 19 Aug 2026 15:33:26 +0300 Message-ID: <20260819123326.3242-1-daminovruzal7@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260814171247.16707-1-daminovruzal7@gmail.com> References: <20260814171247.16707-1-daminovruzal7@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The Goodix GXTP7863 touchpad controller (VID: 0x27c6, PID: 0x01e0) found on Honor MagicBook laptops (e.g. FMI-76 / X14 Plus) was missing from the mt_devices[] table. As a result, it was claimed by hid-generic, which erroneously mapped the vendor telemetry collection (0xFF01) to an input node, translating the 1-Hz heartbeat timestamp into an endless loop of phantom KEY_BRIGHTNESSUP autorepeat events. Fix this by: 1. Adding I2C_DEVICE_ID_GOODIX_01E0 to hid-ids.h. 2. Adding the device to mt_devices[] with MT_CLS_WIN_8 so hid-multitouch claims the touchpad and retains full Win8 PTP quirks. 3. Filtering out the 0xFF01 vendor collection in mt_input_mapping() so the telemetry report is ignored and no phantom input node is created. Tested on Honor MagicBook X14 Plus (FMI-76, AMD Ryzen 8845HS). Signed-off-by: Ruzal Daminov --- v3 -> v4: - Retain MT_CLS_WIN_8 to preserve Win8 PTP quirks, while explicitly filtering out field->application =3D=3D 0xff010001 in mt_input_mapping() to ignore the vendor telemetry collection. v2 -> v3: - Use MT_CLS_DEFAULT to keep export_all_inputs false. v1 -> v2: - Move entry to alphabetical order in the Goodix section. - Declare I2C_DEVICE_ID_GOODIX_01E0 in hid-ids.h. drivers/hid/hid-ids.h | 1 + drivers/hid/hid-multitouch.c | 11 +++++++++++ 2 files changed, 12 insertions(+) diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 1059922baaacd2..60d9d524cd2e15 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -562,6 +562,7 @@ #define USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_E100 0xe100 =20 #define I2C_VENDOR_ID_GOODIX 0x27c6 +#define I2C_DEVICE_ID_GOODIX_01E0 0x01e0 #define I2C_DEVICE_ID_GOODIX_01E8 0x01e8 #define I2C_DEVICE_ID_GOODIX_01E9 0x01e9 #define I2C_DEVICE_ID_GOODIX_01F0 0x01f0 diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index edb37b4c867e4b..d2ada08a6b01bf 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -1543,6 +1543,12 @@ static int mt_input_mapping(struct hid_device *hdev,= struct hid_input *hi, if (ret !=3D 0) return ret; =20 + /* Ignore Goodix FreeTouch vendor telemetry collection */ + if (hdev->vendor =3D=3D I2C_VENDOR_ID_GOODIX && + hdev->product =3D=3D I2C_DEVICE_ID_GOODIX_01E0 && + field->application =3D=3D 0xff010001) + return -1; + /* let hid-core decide for the others */ return 0; } @@ -2460,6 +2466,11 @@ static const struct hid_device_id mt_devices[] =3D { MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL, USB_DEVICE_ID_GAMETEL_MT_MODE) }, =20 + /* Goodix GXTP7863 Touchpad */ + { .driver_data =3D MT_CLS_WIN_8, + HID_DEVICE(BUS_I2C, HID_GROUP_ANY, I2C_VENDOR_ID_GOODIX, + I2C_DEVICE_ID_GOODIX_01E0) }, + /* Goodix GT7868Q devices */ { .driver_data =3D MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU, HID_DEVICE(BUS_I2C, HID_GROUP_ANY, I2C_VENDOR_ID_GOODIX, --=20 2.45.2