Re: [RFC 0/4] media: Introduce post_register() subdev operation

[Jacopo Mondi <jacopo@jmondi.org>]

Hi Hans,

On Fri, Jun 18, 2021 at 12:21:43PM +0200, Hans Verkuil wrote:
> On 17/06/2021 19:16, Jacopo Mondi wrote:
> > Hello Hans,
> >    this is the result of the discussion we had yesterday, sent out just to
> > have a taste of how it looks like.
> >
> > I won't pretend I like the outcome: it feels a bit hackish and meant to support
> > this precise use case.
> >
> > Compared to the proposal to resurect 'init()' it indeed has the advantage that
> > the subdevice driver works in both deffered and non-deferred mode, but the
> > notifier flags seems really custom.
> >
> > Also, being the new flag part of the notifier it won't be available for i2c
> > subdevs.
> >
> > What do you think ? Does the result match your understanding ?
>
> That's what I came up with, yes. I think some of the names can be improved,
> but otherwise the mechanism is what I had in mind.

Great then! Do you have any suggestions on names that can help moving
forward ?

Thanks
  j

>
> Regards,
>
> 	Hans
>
> >
> > Thanks
> >   j
> >
> > Jacopo Mondi (4):
> >   media: v4l2-subdev: Introduce post_register() core op
> >   media: v4l2-async: Add notifier flags
> >   media: v4l2-async: Call post_register() subdev op
> >   media: i2c: gmsl: Defer camera intialization
> >
> >  drivers/media/i2c/max9286.c          | 21 ++++++--
> >  drivers/media/i2c/rdacm20.c          | 81 ++++++++++++++++------------
> >  drivers/media/v4l2-core/v4l2-async.c | 11 ++++
> >  include/media/v4l2-async.h           | 10 ++++
> >  include/media/v4l2-subdev.h          |  3 ++
> >  5 files changed, 89 insertions(+), 37 deletions(-)
> >
> > --
> > 2.31.1
> >
>