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

Matti Vaittinen
2022-08-30T10:23:30Z

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

Reviewed-by: Matti Vaittinen <mazziesaccount@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

~~ When things go utterly wrong vim users can always type :help! ~~