linux-kernel - Re: [PATCH linux-next] backlight: lp8788: use sysfs

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Date:   Fri, 23 Sep 2022 14:04:38 -0700
From:   Han Jingoo <jingoohan1@...il.com>
To:     cgel.zte@...il.com
Cc:     lee@...nel.org, daniel.thompson@...aro.org, deller@....de,
        dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, ye xingchen <ye.xingchen@....com.cn>
Subject: Re: [PATCH linux-next] backlight: lp8788: use sysfs_emit() to instead
 of scnprintf()

On Thu, Sep 22, 2022 <cgel.zte@...il.com> wrote:
>
> From: ye xingchen <ye.xingchen@....com.cn>
>
> Replace the open-code with sysfs_emit() to simplify the code.
>
> Signed-off-by: ye xingchen <ye.xingchen@....com.cn>

Acked-by: Jingoo Han <jingoohan1@...il.com>

Best regards,
Jingoo Han


> ---
>  drivers/video/backlight/lp8788_bl.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/video/backlight/lp8788_bl.c b/drivers/video/backlight/lp8788_bl.c
> index ba42f3fe0c73..00d79c0cfee9 100644
> --- a/drivers/video/backlight/lp8788_bl.c
> +++ b/drivers/video/backlight/lp8788_bl.c
> @@ -240,7 +240,7 @@ static ssize_t lp8788_get_bl_ctl_mode(struct device *dev,
>         else
>                 strmode = "Invalid mode";
>
> -       return scnprintf(buf, PAGE_SIZE, "%s\n", strmode);
> +       return sysfs_emit(buf, "%s\n", strmode);
>  }
>
>  static DEVICE_ATTR(bl_ctl_mode, S_IRUGO, lp8788_get_bl_ctl_mode, NULL);
> --
> 2.25.1