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Not all channels of ThinkPad Yoga X1 speakers show up in pavucontrol
Summary
Lenovo ThinkPad Yoga X1 laptop has 4.1 channel audio, but only left and right stereo speakers show up in pavucontrol
environment
Steps to reproduce
- Have a Lenovo ThinkPad Yoga X1 laptop and install openSUSE Tumbleweed with KDE Plasma 5.19 on it
- Build PulseAudio 14 from source (git master)
- Install
sof-firmwarepackage, per https://wiki.archlinux.org/index.php/Lenovo_ThinkPad_X1_Yoga_%28Gen_4%29 - Open pavucontrol app and go to Output Devices tab
- Click the lock button for the device corresponding to the speakers
What is the current bug behavior?
pavucontrol only shows "Front Left" and "Front Right" speakers. However this laptop has 4.1 channel audio, so there should be more than that listed there.
What is the expected correct behavior?
All of the channels of the audio device are listed.