Re: [V8, 2/2] media: i2c: ov02a10: Add OV02A10 image sensor driver

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On Sat, May 09, 2020 at 04:06:27PM +0800, Dongchun Zhu wrote:
> Add a V4L2 sub-device driver for OV02A10 image sensor.

...

> +#define OV02A10_ID(_msb, _lsb)				((_msb) << 8 | (_lsb))

How often do you use this macro?

...

> +static int ov02a10_read_smbus(struct ov02a10 *ov02a10, unsigned char reg,
> +			      unsigned char *val)
> +{
> +	struct i2c_client *client = v4l2_get_subdevdata(&ov02a10->subdev);
> +	int ret;
> +
> +	ret = i2c_smbus_read_byte_data(client, reg);

> +

Extra blank line.

> +	if (ret < 0)
> +		return ret;
> +
> +	*val = (unsigned char)ret;
> +
> +	return 0;
> +}

...

> +static int ov02a10_entity_init_cfg(struct v4l2_subdev *sd,
> +				   struct v4l2_subdev_pad_config *cfg)
> +{
> +	struct v4l2_subdev_format fmt = {

> +		.which = cfg ? V4L2_SUBDEV_FORMAT_TRY
> +			     : V4L2_SUBDEV_FORMAT_ACTIVE,

I think it would be fine to have it on one line.

> +		.format = {
> +			.width = 1600,
> +			.height = 1200,
> +		}
> +	};
> +
> +	ov02a10_set_fmt(sd, cfg, &fmt);
> +
> +	return 0;
> +}

...

> +	if (!ret) {
> +		if (rotation == 180) {

if (a) {
	if (b) {
		...
	}
}

==

if (a && b) {
	...
}

> +			ov02a10->upside_down = true;
> +			ov02a10->fmt.code = MEDIA_BUS_FMT_SRGGB10_1X10;
> +		}
> +	}

-- 
With Best Regards,
Andy Shevchenko





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