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-rw-r--r--include/linux/regulator/driver.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 978cf593b662..977755db64c6 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -53,6 +53,11 @@ enum regulator_detection_severity {
#define REGULATOR_LINEAR_RANGE(_min_uV, _min_sel, _max_sel, _step_uV) \
LINEAR_RANGE(_min_uV, _min_sel, _max_sel, _step_uV)
+/* Initialize struct linear_range using voltages, not selectors */
+#define REGULATOR_LINEAR_VRANGE(_offs_uV, _min_uV, _max_uV, _step_uV) \
+ LINEAR_RANGE(_min_uV, ((_min_uV) - (_offs_uV)) / (_step_uV), \
+ ((_max_uV) - (_offs_uV)) / (_step_uV), _step_uV)
+
/**
* struct regulator_ops - regulator operations.
*