# Re: \[PATCH 09/15\] staging: fbtft: fb\_ssd1351.c: Introduce backlight\_is\_blank()

- From: Andy Shevchenko \<andriy.shevchenko@linux.intel.com\>
- Date: 2023-01-09 11:13:26 
- List: linux-fbdev
- Page: https://ratatoskr.run/linux-fbdev/2023/01/2059458
- Thread: https://ratatoskr.run/linux-fbdev/2023/01/2058457/t.md

```text
On Sat, Jan 07, 2023 at 07:26:23PM +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.

> Signed-off-by: Sam Ravnborg <redacted>
> Cc: Stephen Kitt <redacted>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: Daniel Thompson <redacted>
> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

> Cc: <redacted>

Not sure why you have this (at least) explicitly mentioned as get_maintainer.pl
can generate it and git send-email can utilize the script output...

...

> -	write_reg(par, 0xB5, on ? 0x03 : 0x02);
> +	write_reg(par, 0xB5, !blank ? 0x03 : 0x02);

Why not positive conditional?

	write_reg(par, 0xB5, blank ? 0x02 : 0x03);

-- 
With Best Regards,
Andy Shevchenko


```