Re: [PATCH 6/8] backlight: backlight: Supply description for function args in existing Kerneldocs

Daniel Thompson
2020-06-25T09:43:51Z

On Wed, Jun 24, 2020 at 03:57:19PM +0100, Lee Jones wrote:
> Kerneldoc syntax is used, but not complete. Descriptions required.
>
> Prevents warnings like:
>
> drivers/video/backlight/backlight.c:329: warning: Function parameter or member 'reason' not described in 'backlight_force_update'
> drivers/video/backlight/backlight.c:354: warning: Function parameter or member 'props' not described in 'backlight_device_register'
>
> Cc: <stable@vger.kernel.org>
> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
> Cc: Jamey Hicks <jamey.hicks@hp.com>
> Cc: Andrew Zabolotny <zap@homelink.ru>
> Signed-off-by: Lee Jones <lee.jones@linaro.org>

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

> ---
> drivers/video/backlight/backlight.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c
> index 92d80aa0c0ef1..744ba58488e01 100644
> --- a/drivers/video/backlight/backlight.c
> +++ b/drivers/video/backlight/backlight.c
> @@ -320,6 +320,7 @@ ATTRIBUTE_GROUPS(bl_device);
> * backlight_force_update - tell the backlight subsystem that hardware state
> * has changed
> * @bd: the backlight device to update
> + * @reason: reason for update
> *
> * Updates the internal state of the backlight in response to a hardware event,
> * and generate a uevent to notify userspace
> @@ -344,6 +345,7 @@ EXPORT_SYMBOL(backlight_force_update);
> * @devdata: an optional pointer to be stored for private driver use. The
> * methods may retrieve it by using bl_get_data(bd).
> * @ops: the backlight operations structure.
> + * @props: pointer to backlight's properties structure.
> *
> * Creates and registers new backlight device. Returns either an
> * ERR_PTR() or a pointer to the newly allocated device.
> --
> 2.25.1
>