[PATCH 2/2] media: i2c: Add GT97xx VCM driver

Sakari Ailus sakari.ailus at linux.intel.com
Fri Apr 12 02:38:51 PDT 2024


Hi Andy, Zhi,

On Wed, Apr 10, 2024 at 07:00:02PM +0300, Andy Shevchenko wrote:
> > +static int gt97xx_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
> > +{
> > +       return pm_runtime_resume_and_get(sd->dev);
> > +}
> > +
> > +static int gt97xx_close(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
> > +{
> > +       return pm_runtime_put(sd->dev);
> > +}
> 
> Hmm... Shouldn't v4l2 take care about these (PM calls)?

Ideally yes. We don't have a good mechanism for this at the moment as the
lens isn't part of the image pipeline. Non-data links may be used for this
in the future but that's not implemented yet.

-- 
Regards,

Sakari Ailus



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