Re: ThinkPad T480s & LED_MUTE, LED_MICMUTE

[Pavel Machek]

Hi!

> > Question is if we want flexibility or security.
> 
> For thinkpad-acpi, it is security by default.  Flexibility is allowed as
> *compile*-time (Kconfig) option, and only as long as it defaults to
> secure *and* the help text is very explicit at instructing distros to
> NOT enable this option.

Yep, no problem with that.

> That said, if mic-mute is under HDA mixer control, it will only be
> "secure" if ALSA is also blocking userspace access to the relevant bits,
> and if that is not possible to do properly, might as well go for
> flexibility.  But only in that case.

That also makes sense.

> That would be why I use phisical shutters on embedded webcams unless the
> hardware actually airgaps them from the USB bus when the privacy switch
> is active.

And yes, I use them, too.
									Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

Attachment: signature.asc
Description: Digital signature