[PATCH 1/6] auxdisplay/ht16k33: Replace use of fb_blank with backlight helper

[Miguel Ojeda]

Hi Thomas,

Thanks for this!

Cc'ing Andy and Geert -- the new maintainer and reviewer.

Also, a couple quick notes below since I am here...

On Wed, Mar 13, 2024 at 4:49 PM Thomas Zimmermann <tzimmermann at suse.de> wrote:
>
> Replace the use of struct backlight_properties.fb_blank with a
> call to backlight_get_brightness(). The helper implement the same
> logic as the driver's function.

It is not exactly the same logic since `backlight_is_blank` accounts
for `BL_CORE_SUSPENDED`.

> -       int brightness = bl->props.brightness;
> +       int brightness = backlight_get_brightness(bl);

This can be `const` now (or even removed and have the call embedded below).

Cheers,
Miguel