On Thu, 5 Nov 2020 16:45:57 +1300, Peter Reutemann quoted:
Beginning in Dell's 2021 laptop models they are
hardware-based "privacy buttons" to disable microphone and camera
If they really were “hardware-based”, you wouldn’t need a software
driver for them.
What’s wrong with a physical on/off switch on the power wire? No chance
of any software “bug”† circumventing that ...
†Because of course the fact that the cutoff could be bypassed somewhere
in the depths of some firmware blob was entirely unintentional, and will
be fixed in an update sometime, we promise.