Re: [PATCH v6 5/5] arm64: defconfig: enable VIDEO_HI846

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Hi Laurent,
On Thu, Jul 08, 2021 at 06:34:32PM +0300, Laurent Pinchart wrote:
> Hi Guido,
> 
> On Thu, Jul 08, 2021 at 05:13:13PM +0200, Guido Günther wrote:
> > On Thu, Jul 08, 2021 at 04:00:04PM +0300, Sakari Ailus wrote:
> > > On Mon, Jun 28, 2021 at 12:10:54PM +0200, Martin Kepplinger wrote:
> > > > Build the driver for the Hi-846 camera by default on arm64 where it's
> > > > going to be used on at least the imx8mq-librem5 board.
> > > > 
> > > > Signed-off-by: Martin Kepplinger <martin.kepplinger@xxxxxxx>
> > > > ---
> > > >  arch/arm64/configs/defconfig | 1 +
> > > >  1 file changed, 1 insertion(+)
> > > > 
> > > > diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> > > > index f423d08b9a71..bf27d9cfbdd5 100644
> > > > --- a/arch/arm64/configs/defconfig
> > > > +++ b/arch/arm64/configs/defconfig
> > > > @@ -666,6 +666,7 @@ CONFIG_VIDEO_RENESAS_VSP1=m
> > > >  CONFIG_VIDEO_QCOM_VENUS=m
> > > >  CONFIG_SDR_PLATFORM_DRIVERS=y
> > > >  CONFIG_VIDEO_RCAR_DRIF=m
> > > > +CONFIG_VIDEO_HI846=m
> > > >  CONFIG_VIDEO_IMX219=m
> > > >  CONFIG_VIDEO_OV5645=m
> > > >  CONFIG_VIDEO_QCOM_CAMSS=m
> > > 
> > > The same sensor may be or may not used on a given board (and certainly it's
> > > not specific to arm64). Is it desirable all arm64 systems compile this in
> > > by default?
> > > 
> > > There appear to be a other sensor drivers though.
> > > 
> > > Is there a defconfig for the librem5 board?
> > 
> > arm64 has a single defconfig, there are no board specific ones (and
> > afaik they're not wanted either) so I think enabling it as a module is
> > the only way.
> 
> Do sensor drivers qualify for defconfig support though ? If they do,
> they should all be enabled.

I don't know. The Librem 5 / Librem 5 Devkit bits went in via Shawn's
tree where the "here's a imx based board that uses this driver" was
sufficient to get it enabled (preferably as module) so it can work out
of the box.

Cheers,
 -- Guido

> 
> > > I wonder what others think.
> 
> -- 
> Regards,
> 
> Laurent Pinchart



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