Re: RFCv2: Media controller proposal

[Guennadi Liakhovetski <g.liakhovetski@gmx.de>]

On Wed, 16 Sep 2009, Hans Verkuil wrote:

> On Wednesday 16 September 2009 20:15:20 Mauro Carvalho Chehab wrote:
> > 
> > What's a sub-device?
> > ====================
> > 
> > Well, if we strip v4l2-framework.txt and driver/media from "git grep", we have:
> > 
> > For "subdevice", there are several occurences. All of them refers to
> > subvendor/subdevice PCI ID.
> > 
> > For "sub-device": most references also talk about PCI subdevices. On all places
> > (except for V4L), where a subdevice exists, a kernel device is created.
> > 
> > So, basically, only V4L is using sub-device with a different meaning than what's at kernel.
> > On all other places, a subdevice is just another device.
> > 
> > It seems that we have a misconception here: sub-device is just an alias for
> > "device". 
> > 
> > IMO, it is better to avoid using "sub-device", as this cause confusion with the
> > widely used pci subdevice designation.
> 
> We discussed this on the list at the time. I think my original name was
> v4l2-client. If you can come up with a better name, then I'm happy to do a
> search and replace.

FWIW, I'm also mostly using the video -host and -client notation in 
soc-camera.

Thanks
Guennadi
---
Guennadi Liakhovetski