Re: [PATCH v4 2/2] media: i2c: Add support for the OV5648 image sensor

From: Sakari Ailus
Date: Mon Nov 30 2020 - 08:55:47 EST


Hi Paul,

On Mon, Nov 30, 2020 at 02:48:04PM +0100, Paul Kocialkowski wrote:
> Hi Sakari,
>
> On Mon 30 Nov 20, 11:28, Sakari Ailus wrote:
> > Hi Paul,
> >
> > Thanks for the update. I have a few comments on the driver, too.
>
> Thanks for the review!
>
> [...]
>
> > > + ret = ov5648_write(sensor, OV5648_GAIN_BLUE_MAN_L_REG,
> > > + OV5648_GAIN_BLUE_MAN_L(blue_balance));
> >
> > return ...
> >
> > Same below (and above).
>
> Well I don't think that makes any functional difference, right?
> My personal preference is to have explicit checks even at the end of functions
> for symetry and alignment with other blocks.
>
> If it's okay, it'd like to keep it as-is. But if that's against kernel coding
> style guidelines, I won't argue more.

Please do change them.

It's useless code, repeated at the end of a number of functions in this
driver. I wouldn't mind otherwise, but people do take examples from
existing drivers so such patterns tend to repeat in other places.

--
Regards,

Sakari Ailus