Re: [PATCH v2 4/4] media: platform: mediatek: isp_30: add mediatek ISP3.0 camsv

From: Julien Stephan
Date: Thu Aug 03 2023 - 05:53:45 EST


On Mon, Jul 03, 2023 at 02:21:17PM +0200, AngeloGioacchino Del Regno wrote:
..snip..
> > +
> > + mtk_cam_init_cfg(&cam->subdev, NULL);
>
> mtk_cam_init_cfg() returns an integer, and this is probably because you expect
> it to get logic to fail: in that case, check the result of that call here,
> otherwise, make that function void.
>

Hi Angelo,

mtk_cam_init_cfg returns an int because it should match v4l2_subdev_pad_ops->init_cfg prototype..

mtk_cam_init does not fail, always return 0, so I though it would be ok
to discard the return value here. What do you think?

> > +

..snip..

> > + unsigned int bpp;
>
> Can we get any format that uses a billion bits per pixel? :-P
>
> u8 bpp;
>

I am preparing the driver for futur upgrades.. in a billion years ;)

Cheers
Julien