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[35.194.66.114]) by smtp.gmail.com with ESMTPSA id y12-20020a0ceacc000000b006a0d04827e9sm1021160qvp.57.2024.04.29.11.21.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 Apr 2024 11:21:12 -0700 (PDT) From: Sean O'Brien To: Benjamin Tissoires , linux-input@vger.kernel.org Cc: Sean O'Brien , Jiri Kosina , linux-kernel@vger.kernel.org Subject: [PATCH v2] HID: Add quirk for Logitech Casa touchpad Date: Mon, 29 Apr 2024 18:20:36 +0000 Message-ID: <20240429182036.1.Ie7e8d0ba595f9e39f71cbe4ab3468f79c00b4581@changeid> X-Mailer: git-send-email 2.45.0.rc0.197.gbae5840b3b-goog 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" This device sometimes doesn't send touch release signals when moving from >=3D4 fingers to <4 fingers. Using MT_QUIRK_NOT_SEEN_MEANS_UP instead of MT_QUIRK_ALWAYS_VALID makes sure that no touches become stuck. MT_QUIRK_FORCE_MULTI_INPUT is not necessary for this device, but does no harm. Signed-off-by: Sean O'Brien --- drivers/hid/hid-ids.h | 1 + drivers/hid/hid-multitouch.c | 6 ++++++ 2 files changed, 7 insertions(+) diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 8376fb5e2d0b4..68b0f39deaa9a 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -823,6 +823,7 @@ #define USB_DEVICE_ID_LOGITECH_AUDIOHUB 0x0a0e #define USB_DEVICE_ID_LOGITECH_T651 0xb00c #define USB_DEVICE_ID_LOGITECH_DINOVO_EDGE_KBD 0xb309 +#define USB_DEVICE_ID_LOGITECH_CASA_TOUCHPAD 0xbb00 #define USB_DEVICE_ID_LOGITECH_C007 0xc007 #define USB_DEVICE_ID_LOGITECH_C077 0xc077 #define USB_DEVICE_ID_LOGITECH_RECEIVER 0xc101 diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 04a014cd2a2f6..3df9e90693e3a 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -2081,6 +2081,12 @@ static const struct hid_device_id mt_devices[] =3D { USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X12_TAB) }, =20 + /* Logitech devices */ + { .driver_data =3D MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU, + HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH_WIN_8, + USB_VENDOR_ID_LOGITECH, + USB_DEVICE_ID_LOGITECH_CASA_TOUCHPAD) }, + /* MosArt panels */ { .driver_data =3D MT_CLS_CONFIDENCE_MINUS_ONE, MT_USB_DEVICE(USB_VENDOR_ID_ASUS, --=20 2.45.0.rc0.197.gbae5840b3b-goog