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Date: Tue, 27 Dec 2022 15:32:48 -0500 From: Sasha Levin <sashal@...nel.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: José Expósito <jose.exposito89@...il.com>, Akito <the@...to.ooo>, Jiri Kosina <jkosina@...e.cz>, Sasha Levin <sashal@...nel.org>, jikos@...nel.org, benjamin.tissoires@...hat.com, linux-input@...r.kernel.org Subject: [PATCH AUTOSEL 6.1 27/28] HID: multitouch: fix Asus ExpertBook P2 P2451FA trackpoint From: José Expósito <jose.exposito89@...il.com> [ Upstream commit 4eab1c2fe06c98a4dff258dd64800b6986c101e9 ] The HID descriptor of this device contains two mouse collections, one for mouse emulation and the other for the trackpoint. Both collections get merged and, because the first one defines X and Y, the movemenent events reported by the trackpoint collection are ignored. Set the MT_CLS_WIN_8_FORCE_MULTI_INPUT class for this device to be able to receive its reports. This fix is similar to/based on commit 40d5bb87377a ("HID: multitouch: enable multi-input as a quirk for some devices"). Link: https://gitlab.freedesktop.org/libinput/libinput/-/issues/825 Reported-by: Akito <the@...to.ooo> Tested-by: Akito <the@...to.ooo> Signed-off-by: José Expósito <jose.exposito89@...il.com> Signed-off-by: Jiri Kosina <jkosina@...e.cz> Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/hid/hid-multitouch.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 91a4d3fc30e0..372cbdd223e0 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -1967,6 +1967,10 @@ static const struct hid_device_id mt_devices[] = { HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, USB_VENDOR_ID_ELAN, 0x313a) }, + { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT, + HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8, + USB_VENDOR_ID_ELAN, 0x3148) }, + /* Elitegroup panel */ { .driver_data = MT_CLS_SERIAL, MT_USB_DEVICE(USB_VENDOR_ID_ELITEGROUP, -- 2.35.1
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