Re: [PATCH] drivers: video: Remove unused functiongenericbl_limit_intensity() in generic_bl.c

From: Jingoo Han
Date: Mon Dec 16 2013 - 06:34:18 EST


On Monday, December 16, 2013 8:21 PM, Rashika Kheria wrote:
>
> Removes unused function genericbl_limit_intensity() in
> backlight/generic_bl.c.
>
> This eliminates the following warning in backlight/generic_bl.c:
> drivers/video/backlight/generic_bl.c:59:6: warning: no previous prototype for
> âgenericbl_limit_intensityâ [-Wmissing-prototypes]

Hi Eric,

Originally, genericbl_limit_intensity() was added by you.
(commit: bfdcaa3 "lcd: add corgibl_limit_intensity() to corgi_lcd")

Currently, genericbl_limit_intensity() is not called anywhere
in mainline kernel. Can we remove this genericbl_limit_intensity()?


Best regards,
Jingoo Han

>
> Signed-off-by: Rashika Kheria <rashika.kheria@xxxxxxxxx>
> ---
> drivers/video/backlight/generic_bl.c | 18 ------------------
> 1 file changed, 18 deletions(-)
>
> diff --git a/drivers/video/backlight/generic_bl.c b/drivers/video/backlight/generic_bl.c
> index 5d8d652..67dfb93 100644
> --- a/drivers/video/backlight/generic_bl.c
> +++ b/drivers/video/backlight/generic_bl.c
> @@ -52,24 +52,6 @@ static int genericbl_get_intensity(struct backlight_device *bd)
> return genericbl_intensity;
> }
>
> -/*
> - * Called when the battery is low to limit the backlight intensity.
> - * If limit==0 clear any limit, otherwise limit the intensity
> - */
> -void genericbl_limit_intensity(int limit)
> -{
> - struct backlight_device *bd = generic_backlight_device;
> -
> - mutex_lock(&bd->ops_lock);
> - if (limit)
> - bd->props.state |= GENERICBL_BATTLOW;
> - else
> - bd->props.state &= ~GENERICBL_BATTLOW;
> - backlight_update_status(generic_backlight_device);
> - mutex_unlock(&bd->ops_lock);
> -}
> -EXPORT_SYMBOL(genericbl_limit_intensity);
> -
> static const struct backlight_ops genericbl_ops = {
> .options = BL_CORE_SUSPENDRESUME,
> .get_brightness = genericbl_get_intensity,
> --
> 1.7.9.5

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