Re: [PATCH v1 09/11] leds: aw200xx: improve autodim calculation method

[Andy Shevchenko]

On Fri, Oct 6, 2023 at 7:05 PM Dmitry Rokosov
<ddrokosov@xxxxxxxxxxxxxxxxx> wrote:
>
> From: George Stark <gnstark@xxxxxxxxxxxxxxxxx>
>
> use DIV_ROUND_UP instead of coarse div

Please, respect English grammar and punctuation.
Refer to macros and functions as func() (note the parentheses).

...

>  #define AW200XX_REG_DIM2FADE(x) ((x) + 1)
> +#define AW200XX_REG_FADE2DIM(fade) \
> +       DIV_ROUND_UP((fade) * AW200XX_DIM_MAX, AW200XX_FADE_MAX)

Have you checked if the overflow is _now_ possible (compiling on
32-bit platforms as well)?

-- 
With Best Regards,
Andy Shevchenko