Hi, Kai, Basically, 0x120A device does not have a trackpoint. ALPS has released 0x120A device + trackpoint as a sample for DELL, but it does not exist as Mass production. (We changed PTP Dual device Product ID to 0x121F, 0x1220 from 0x120A.) And we are not going to release 0x120A dual device to the market in the future. Best Regards, Masaki Ota -----Original Message----- From: Kai-Heng Feng [mailto:kai.heng.feng@xxxxxxxxxxxxx] Sent: Wednesday, September 20, 2017 11:18 AM To: 太田 真喜 Masaki Ota <masaki.ota@xxxxxxxxxxx>; linux-input@xxxxxxxxxxxxxxx Subject: MT_CLS_WIN_8_DUAL on non-trackpoint Alps touchpad Hi Masaki, Support for ALPS 0x120A trackpad got added in patch [1]. The problem is, there are two versions of 0x120A, one comes with a trackpoint, one does not. Since there's ".export_all_inputs = true" for the device, the trackpoint will be incorrectly reported by hid-multitouch for the non-trackpoint version. Now userspace tools think the touchpad has a trackpoint, which is incorrect here. So is there a way to address the issue? [1] https://marc.info/?l=linux-kernel&m=150235885718077&w=2 ��.n��������+%������w��{.n�����{��)��^n�r������&��z�ޗ�zf���h���~����������_��+v���)ߣ�
