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

ChiaEn Wu
2022-08-30T03:42:42Z

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>
---

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);
--
2.7.4