Re: [PATCH 1/1] v4l: Add camera voice coil lens control class, current control

From: Pavel Machek
Date: Fri Jun 17 2016 - 18:11:56 EST


> >I also don't think the FOCUS_ABSOLUTE controls is a really good one for
> >the voice coil lens current. I expect more voice coil lens controls
> >(linear vs. PWM mode, ringing compensation...) to be needed so I think
> >it's worth a new class.

Well, I do agree that that the new class is fine (and have no problem
with your proposal), but I'd like to understand why FOCUS_ABSOLUTE is
unsuitable. I'm actually thinking about writing very simple userspace
camera, without autofocus, where user would just select
"infinity"/"1m"/"50cm" ... and for that FOCUS_ABSOLUTE is equivalent

> Right, I still think movement mode should be standard control :)

What options would you like to see for movement mode?


(cesky, pictures)