[PATCH v2 07/16] backlight: document inline functions in backlight.h

Daniel Thompson daniel.thompson at linaro.org
Mon May 18 16:04:44 UTC 2020


On Sun, May 17, 2020 at 09:01:30PM +0200, Sam Ravnborg wrote:
> Add documentation for the inline functions in backlight.h
> 
> 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>
> ---
>  include/linux/backlight.h | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 
> diff --git a/include/linux/backlight.h b/include/linux/backlight.h
> index e2d72936bf05..98349a2984dc 100644
> --- a/include/linux/backlight.h
> +++ b/include/linux/backlight.h
> @@ -283,6 +283,10 @@ struct backlight_device {
>  	int use_count;
>  };
>  
> +/**
> + * backlight_update_status - force an update of the backligt device status

Typo.

Other than that,

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


Daniel.

> + * @bd: the backlight device
> + */
>  static inline int backlight_update_status(struct backlight_device *bd)
>  {
>  	int ret = -ENOENT;
> @@ -375,6 +379,18 @@ extern int backlight_device_set_brightness(struct backlight_device *bd, unsigned
>  
>  #define to_backlight_device(obj) container_of(obj, struct backlight_device, dev)
>  
> +/**
> + * bl_get_data - access devdata
> + * @bl_dev: pointer to backlight device
> + *
> + * When a backlight device is registered the driver has the possibility
> + * to supply a void * devdata. bl_get_data() return a pointer to the
> + * devdata.
> + *
> + * RETURNS:
> + *
> + * pointer to devdata stored while registering the backlight device.
> + */
>  static inline void * bl_get_data(struct backlight_device *bl_dev)
>  {
>  	return dev_get_drvdata(&bl_dev->dev);
> -- 
> 2.25.1
> 


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