From a956f64ca8d14838169942acf740570a2db20bf3 Mon Sep 17 00:00:00 2001 From: Sean O'Brien Date: Mon, 29 Apr 2024 18:08:05 +0000 Subject: [PATCH] HID: Add quirk for Logitech Casa touchpad [ Upstream commit dd2c345a94cfa3873cc20db87387ee509c345c1b ] This device sometimes doesn't send touch release signals when moving from >=4 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 Signed-off-by: Jiri Kosina Signed-off-by: Sasha Levin --- 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 0a4daff4846f..89aef5874202 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -820,6 +820,7 @@ #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 3816fd06bc95..17efe6e2a1a4 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -2084,6 +2084,12 @@ static const struct hid_device_id mt_devices[] = { USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X12_TAB) }, + /* Logitech devices */ + { .driver_data = MT_CLS_NSMU, + HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH_WIN_8, + USB_VENDOR_ID_LOGITECH, + USB_DEVICE_ID_LOGITECH_CASA_TOUCHPAD) }, + /* MosArt panels */ { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, MT_USB_DEVICE(USB_VENDOR_ID_ASUS,