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regulator: add REGULATOR_LINEAR_VRANGE macro

REGULATOR_LINEAR_VRANGE is similar to REGULATOR_LINEAR_RANGE, but
allows a more natural declaration of a voltage range for a regulator,
in that it expects the minimum and maximum values as voltages rather
than as selectors.

Using voltages arguably makes this macro easier to use by drivers and
code using it can become easier to read compared to
REGULATOR_LINEAR_RANGE.

Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://patch.msgid.link/20260122-s2mpg1x-regulators-v7-10-3b1f9831fffd@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

authored by

André Draszik and committed by
Mark Brown 7d33c0a4 030158c0

+5
+5
include/linux/regulator/driver.h
··· 53 53 #define REGULATOR_LINEAR_RANGE(_min_uV, _min_sel, _max_sel, _step_uV) \ 54 54 LINEAR_RANGE(_min_uV, _min_sel, _max_sel, _step_uV) 55 55 56 + /* Initialize struct linear_range using voltages, not selectors */ 57 + #define REGULATOR_LINEAR_VRANGE(_offs_uV, _min_uV, _max_uV, _step_uV) \ 58 + LINEAR_RANGE(_min_uV, ((_min_uV) - (_offs_uV)) / (_step_uV), \ 59 + ((_max_uV) - (_offs_uV)) / (_step_uV), _step_uV) 60 + 56 61 /** 57 62 * struct regulator_ops - regulator operations. 58 63 *