# Re: \[PATCH 10/15\] staging: fbtft: core: Introduce backlight\_is\_blank()

- From: Andy Shevchenko \<andriy.shevchenko@linux.intel.com\>
- Date: 2023-01-09 11:16:21 
- List: linux-fbdev
- Page: https://ratatoskr.run/linux-fbdev/2023/01/2059461
- Thread: https://ratatoskr.run/linux-fbdev/2023/01/2058457/t.md

```text
On Sat, Jan 07, 2023 at 07:26:24PM +0100, Sam Ravnborg via B4 Submission Endpoint wrote:
> From: Sam Ravnborg <redacted>
> 
> Avoiding direct access to backlight_properties.props.
> 
> Access to the deprecated props.fb_blank replaced by backlight_is_blank().
> Access to props.power is dropped - it was only used for debug.

...

> +	if (blank)
>  		gpiod_set_value(par->gpio.led[0], !polarity);
> +	else
> +		gpiod_set_value(par->gpio.led[0], polarity);

	if (blank)
		polarity = !polarity;

	gpiod_set_value(par->gpio.led[0], polarity);

?

-- 
With Best Regards,
Andy Shevchenko


```