Click and drag not working on MacBook trackpad (bcm5974)

[Raphael]

Click and drag is not working on a MacBookPro8,1 trackpad. (Oddly enough, dragging with two fingers does work.)

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.13.0-30-generic 5.13.0-30.33~20.04.1
ProcVersionSignature: Ubuntu 5.13.0-30.33~20.04.1-generic 5.13.19
Uname: Linux 5.13.0-30-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: KDE
Date: Tue Mar 8 20:38:23 2022
InstallationDate: Installed on 2022-03-03 (4 days ago)
InstallationMedia: Kubuntu 20.04.4 LTS "Focal Fossa" - Release amd64 (20220223)
SourcePackage: linux-signed-hwe-5.13
UpgradeStatus: Upgraded to focal on 2022-03-08 (0 days ago)

[Raphael (dafadllyn)]

PS: Unlike what i wrote before, click-dragging with two fingers doesn't work properly: the cursor gets stuck after a while ­­­­– sometimes immediately, sometimes only after a few seconds.

[Raphael (dafadllyn)]

PPS: The driver in question is bcm5974.