From b5e65ae557da9fd17b08482ee44ee108ba636182 Mon Sep 17 00:00:00 2001 From: Youwan Wang Date: Mon, 16 Dec 2024 10:18:01 +0800 Subject: [PATCH] HID: multitouch: Add quirk for Hantick 5288 touchpad This device sometimes doesn't send touch release signals when moving from >=2 fingers to <2 fingers. Using MT_QUIRK_NOT_SEEN_MEANS_UP instead of MT_QUIRK_ALWAYS_VALID makes sure that no touches become stuck. Signed-off-by: Enze Xie Signed-off-by: Youwan Wang Signed-off-by: Jiri Kosina --- drivers/hid/hid-multitouch.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 42c0bd9d2f31..82900857bfd8 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -2314,6 +2314,11 @@ static const struct hid_device_id mt_devices[] = { HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_SIS_TOUCH, HID_ANY_ID) }, + /* Hantick */ + { .driver_data = MT_CLS_NSMU, + HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, + I2C_VENDOR_ID_HANTICK, I2C_PRODUCT_ID_HANTICK_5288) }, + /* Generic MT device */ { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) }, -- 2.25.1