I too have the same issue with my touchpad on Lenovo P72. Below are my details.
Linux P72 5.4.0-42-generic #46-Ubuntu SMP Fri Jul 10 00:24:02 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
I too have the same issue with my touchpad on Lenovo P72. Below are my details.
Linux P72 5.4.0-42-generic #46-Ubuntu SMP Fri Jul 10 00:24:02 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux