Re: [PATCH v2] iio: light: ltr501: return proper error code from ltr501_get_gain_index()

[Andy Shevchenko]

On Mon, Feb 02, 2026 at 02:07:12PM +0200, Antoniu Miclaus wrote:
> Return -EINVAL instead of -1 when no matching gain value is found
> in the gain table. Update the callers to propagate this error directly
> rather than overwriting it with -EINVAL.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxx>

...

> static int ltr501_get_gain_index(const struct ltr501_gain *gain, int size,

>  		if (val == gain[i].scale && val2 == gain[i].uscale)
>  			return i;
>  
> -	return -1;
> +	return -EINVAL;

I would use -ENOENT, but I'm not sure if there is any ABI involved (id est we
return this to user space).

>  }


-- 
With Best Regards,
Andy Shevchenko