I overlayed touch.pa for two reasons:
to make bluetooth calls work more reliable.So this one maybe get fixed by the MR. to make wired headphones work. For this it was needed to explicitly add the rate=48000 parameter to the load-module command:
https://gitlab.com/ubports/porting/community-ports/android10/fairphone/fairphone_fp3/-/blame/halium-10.0-focal/overlay/system/etc/pulse/touch.pa?ref_type=heads#L55