Important: In kernel version 5.5, the speed handling if fixed. You can see the commit log here. Thus if you're running kernel 5.5 or later please use the default ch341.ko module.
Install required packages
sudo apt install dkmsBuild and install module
sudo dkms build .
sudo dkms install ch340/1.0.0Blacklist the "wrong" driver. Open blacklist.conf (may not exist).
sudo nano /etc/modprobe.d/dkms.confAdd the following line:
blacklist ch341
- Initial release