On Mon, 25 Oct 2021, Mark Brown wrote: > On Mon, Oct 25, 2021 at 06:01:04PM +0200, Ricard Wanderlof wrote: > > > I'll add it to the DT configuration, but I can't really see why the having > > an additional runtime control would be a lot of extra work. > > > In a completely embedded system where the microphone is part of the > > internal design it makes sense not to have it controllable of course, but > > in a system where the microphone is an external component (i.e. plugged > > into a microphone connector), the system design might need for it to be > > user configurable. > > In any design we really ought to have some explicit confirmation before > we allow users to go randomly changing voltages, it may cause damage if > someone gets it wrong. This means that the feature really ought to be > an opt in one if it's going to be there. Good point. So like a module parameter, or perhaps governed something in sysfs? /Ricard -- Ricard Wolf Wanderlof ricardw(at)axis.com Axis Communications AB, Lund, Sweden www.axis.com Phone +46 46 272 2016 Fax +46 46 13 61 30
