[Bug 1907937] Re: [Ubuntu 20.04 LTS on Lenovo 9i Yoga] Not detecting touch pad, sound card, touch screen stylus or brightness controls

I changed grub parameters so brightness, mic and sound works. Touch pad is very lagged and touch screen does not recognize the stylus. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1907937 Title:

[Bug 1907937] Re: [Ubuntu 20.04 LTS on Lenovo 9i Yoga] Not detecting touch pad, sound card, touch screen stylus or brightness controls

** Information type changed from Public to Public Security -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1907937 Title: [Ubuntu 20.04 LTS on Lenovo 9i Yoga] Not detecting touch pad, sound card,

[Bug 1907937] Re: [Ubuntu 20.04 LTS on Lenovo 9i Yoga] Not detecting touch pad, sound card, touch screen stylus or brightness controls

The input mic is also not working. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1907937 Title: [Ubuntu 20.04 LTS on Lenovo 9i Yoga] Not detecting touch pad, sound card, touch screen stylus or

[Bug 1907937] [NEW] [Ubuntu 20.04 LTS on Lenovo 9i Yoga] Not detecting touch pad, sound card, touch screen stylus or brightness controls

Public bug reported: Touch pad, stylus, sound card not detected. Brightness controls don't work. xinput --list ⎡ Virtual core pointer id=2[master pointer (3)] ⎜ ↳ Virtual core XTEST pointerid=4[slave pointer (2)] ⎜ ↳ MOSART Semi. 2.4G