Re: [PATCH] Kconfig for radio cards to allow VIDEO_V4L1_COMPAT

["Jon Smirl" <jonsmirl@gmail.com>]

On 6/26/06, Mauro Carvalho Chehab <mchehab@infradead.org> wrote:
> Jon,
>
> Em Dom, 2006-06-25 às 13:40 -0400, Jon Smirl escreveu:
> > In Kconfig all of the radio cards depend on VIDEO_V4L1. But V4L1 has
> > been deprecated and replaced with V4L2. V4L2 offers a V4L1
> > compatibility layer. Should the Kconfig for these devices be changed
> > to depend on (VIDEO_V4L1. || VIDEO_V4L1_COMPAT)? I'm not the
> > maintainer for this but they seem to build ok.
> No, it isn't. V4L1_COMPAT gets a userspace request, using the obsoleted
> V4L1 API and converts into a V4L2 call to be handled by a V4L2 driver.
>
> All radio stuff at kernel are still using the old obsoleted V4L1 API,
> and requires some changes to be V4L2 compliant. The correct fix is to
> replace the old calls to V4L2 calls, and include videodev2.h header
> instead of videodev.h.

Is anyone who knows how V4L2 works going to port those drivers? I
would hate to see 20 device drivers lost because they weren't ported
and V4L1 gets removed.

> After those changes, we should move the dependencies to be VIDEO_V4L2,
> instead of VIDEO_V4L1.
>
> Cheers,
> Mauro.
>
>


-- 
Jon Smirl
jonsmirl@gmail.com