Hello Hans,

> >> The camera module needs to be initialized by writing values to the
> >> registers.
> >> Do I need to write init function at the following?
> >>
> >> static const struct v4l2_subdev_core_ops rj65na20_core_ops = {
> >>          .reset = rj65na20_reset,
> >> [snip]
> >> }
> >
> > AFAICS neither soc_camera.c, nor sh_mobile_ceu_camera.c call the .reset
> > subdevice core method, so, no, at the moment implementing it wouldn't
> > produce any result. Either you have to choose one of the methods, that are
> > currently called, or you have to add a call to .reset() as required.
> 
> I don't really like the use of reset for this. The reset op is a pretty
> poorly defined op. There is a registration op as well these days that
> might be better suited for this (see struct v4l2_subdev_internal_ops).

May I ask to guide me how to implement:

struct v4l2_subdev_internal_ops {
        int (*registered)(struct v4l2_subdev *sd);
        void (*unregistered)(struct v4l2_subdev *sd);
};

for the initializing camera module by writing values 
to the register?

With kind regards,

Akira 
-- 
Akira Tsukamoto

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