Re: [PATCH v2 3/4] media: platform: Add Renesas RZ/G2L MIPI CSI-2 receiver driver

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Hi Sakari,

On Thu, Sep 22, 2022 at 2:02 PM Sakari Ailus
<sakari.ailus@xxxxxxxxxxxxxxx> wrote:
>
> Hi Prabhakar,
>
> On Thu, Sep 22, 2022 at 01:53:49PM +0100, Lad, Prabhakar wrote:
> > > > +int rzg2l_csi2_cmn_rstb_deassert(struct rzg2l_csi2 *csi2);
> > > > +int rzg2l_csi2_dphy_setting(struct rzg2l_csi2 *csi2, bool on);
> > > > +void rzg2l_csi2_mipi_link_setting(struct rzg2l_csi2 *csi2, bool on);
> > >
> > > Are these something that could be achieved using the standard interfaces,
> > > as I believe the other drivers are doing? The pre_streamon and
> > > post_streamon callbacks could be relevant for this.
> > >
> > Thanks for the pointer. I have now moved some code to pre_streamon ()
> > and rest to s_stream(). Is there any mandatory rule to have both
> > implemented? (as I wont be needing post_streamoff(), nothing complains
> > so for)
>
> In principle no.
>
OK.

> But if you e.g. resume the device in pre_streamon, you'll need to suspend
> it in post_streamon.
>
Agreed!

Cheers,
Prabhakar



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