[PATCH v4 15/20] backlight: gpio_backlight: simplify update_status()

[Daniel Thompson]

On Fri, Jul 03, 2020 at 08:45:41PM +0200, Sam Ravnborg wrote:
> Introduce the use of backlight_get_brightness() to simplify
> the update_status() operation.
> With the simpler implementation drop the gpio_backlight_get_next_brightness()
> helper as it was now a one-liner.
> 
> Signed-off-by: Sam Ravnborg <sam at ravnborg.org>
> Cc: Lee Jones <lee.jones at linaro.org>
> Cc: Daniel Thompson <daniel.thompson at linaro.org>
> Cc: Jingoo Han <jingoohan1 at gmail.com>

Reviewed-by: Daniel Thompson <daniel.thompson at linaro.org>