[PATCH v9 05/10] lib: add linear range index macro

[Matti Vaittinen]

On 8/30/22 06:40, ChiaEn Wu wrote:
> From: ChiaEn Wu <chiaen_wu at richtek.com>
> 
> Add linear_range_idx macro for declaring the linear_range struct simply.
> 
> Signed-off-by: ChiaEn Wu <chiaen_wu at richtek.com>

Reviewed-by: Matti Vaittinen <mazziesaccount at gmail.com>

> ---
> 
> v9
> - Revise LINEAR_RANGE() and LINEAR_RANGE_IDX()
> ---
>   include/linux/linear_range.h | 11 +++++++++++
>   1 file changed, 11 insertions(+)
> 
> diff --git a/include/linux/linear_range.h b/include/linux/linear_range.h
> index fd3d0b3..2e4f4c3 100644
> --- a/include/linux/linear_range.h
> +++ b/include/linux/linear_range.h
> @@ -26,6 +26,17 @@ struct linear_range {
>   	unsigned int step;
>   };
>   
> +#define LINEAR_RANGE(_min, _min_sel, _max_sel, _step)		\
> +	{							\
> +		.min = _min,					\
> +		.min_sel = _min_sel,				\
> +		.max_sel = _max_sel,				\
> +		.step = _step,					\
> +	}
> +
> +#define LINEAR_RANGE_IDX(_idx, _min, _min_sel, _max_sel, _step)	\
> +	[_idx] = LINEAR_RANGE(_min, _min_sel, _max_sel, _step)
> +
>   unsigned int linear_range_values_in_range(const struct linear_range *r);
>   unsigned int linear_range_values_in_range_array(const struct linear_range *r,
>   						int ranges);


-- 
Matti Vaittinen
Linux kernel developer at ROHM Semiconductors
Oulu Finland

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