This bug also affects my Asus X455LF-WX055T with FocalTech Touchpad with
Ubuntu 16.04 LTS installed.
I noticed a change in `xinput list` before and after suspending
Before I suspend, my `xinput list` contains `PS/2 FocalTech FocalTech
Touchpad`:
xinput list
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ Logitech K270 id=10 [slave pointer (2)]
⎜ ↳ Logitech M315/M235 id=11 [slave pointer (2)]
⎜ ↳ PS/2 FocalTech FocalTech Touchpad id=15 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ Power Button id=6 [slave keyboard (3)]
↳ Video Bus id=7 [slave keyboard (3)]
↳ Video Bus id=8 [slave keyboard (3)]
↳ Sleep Button id=9 [slave keyboard (3)]
↳ USB2.0 VGA UVC WebCam id=12 [slave keyboard (3)]
↳ Asus WMI hotkeys id=13 [slave keyboard (3)]
↳ AT Translated Set 2 keyboard id=14 [slave keyboard (3)]
When I wake it up after suspending it, my `xinput list` does not contain
`PS/2 FocalTech FocalTech Touchpad` but it was replaced(?) by `AT Raw
Set 2 keyboard id=15 [slave keyboard (3)]` which was not present before
I suspend:
xinput list
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ Logitech K270 id=10 [slave pointer (2)]
⎜ ↳ Logitech M315/M235 id=11 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ Power Button id=6 [slave keyboard (3)]
↳ Video Bus id=7 [slave keyboard (3)]
↳ Video Bus id=8 [slave keyboard (3)]
↳ Sleep Button id=9 [slave keyboard (3)]
↳ USB2.0 VGA UVC WebCam id=12 [slave keyboard (3)]
↳ Asus WMI hotkeys id=13 [slave keyboard (4)]
↳ AT Translated Set 2 keyboard id=14 [slave keyboard (3)]
↳ AT Raw Set 2 keyboard id=15 [slave keyboard (3)]
I hope this helps...
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https://bugs.launchpad.net/bugs/1504445
Title:
FocalTech touchpad stops working after suspend
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