Hi, > On Dec 12, 2018, at 22:25, Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx> wrote: > > Hi, > > sorry for the late reply. I was always meaning to fix this the proper > way but couldn't dedicate a full day of work to go to the bottom of > elan_i2c. > > Meanwhile, I am thinking at simply having a blacklist of devices that > we know are not working well (P52, L480, L580 and P72). > > Could you get the value of /sys/bus/serio/devices/serio1/firmware_id > from all of these laptops? > I know the P52 is LEN2131, but I don't seem to find the other PNPIds. These are feedbacks from the users: L480: cat /sys/bus/serio/devices/serio1/firmware_id PNP: LEN2036 PNP0f13 P52: "cat /sys/bus/serio/devices/serio1/firmware_id": PNP: LEN2132 PNP0f13 So looks like it’s different to LEN2131. Kai-Heng > > Cheers, > Benjamin > > On Thu, Nov 22, 2018 at 5:22 AM Kai Heng Feng > <kai.heng.feng@xxxxxxxxxxxxx> wrote: >> >> Hi Benjamin, >> >> It appears the Elantech SMBus support breaks some users’ touchpad. >> >> Please have a look at [1] [2], thanks! >> >> [1] https://bugs.launchpad.net/bugs/1803600 >> [2] https://bugs.archlinux.org/task/59714 >> >> Kai-Heng
