Messages in this thread | | | Date | Mon, 2 Sep 2019 10:06:57 +0200 | From | Pavel Machek <> | Subject | Re: [RFC 2/5] media: v4l2-ctrl: Document V4L2_CID_LOCATION |
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Hi!
> > > Single integer. It's read-only, so it just reports the location. > > > > > > It would be different if this was a writable control: then you need to > > > know which locations are possible to set, and that requires a menu type. > > > > > > But it doesn't make sense to set the location from software. However, the > > > location might change as a result of other changes: e.g. if the camera > > > has motor control of the tilt and the tilt changes from forward facing to > > > downward facing, then the driver might change the location from FRONT > > > to DOWN. A convoluted example perhaps, but this is just brainstorming. > > > > There are phones with exactly such camera setup. And yes, it makes > > sense to be writable in that case, as software can move the camera in > > such case. > > Out of curiosity, what phones are those ?
This one:
https://www.samsung.com/global/galaxy/galaxy-a80/
Best regards, Pavel
-- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html [unhandled content-type:application/pgp-signature] | |