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authorMatti Vaittinen <matti.vaittinen@fi.rohmeurope.com>2019-02-14 12:38:05 +0300
committerMark Brown <broonie@kernel.org>2019-02-14 18:12:26 +0300
commit6a47b4da551a762217215aeeda22e46469c5868a (patch)
tree50d305a1807646538778dca11a8797a6530edce2 /include/linux/regulator
parentf43d1b388f9be4aa47ed42c33659243a675c5c76 (diff)
downloadlinux-6a47b4da551a762217215aeeda22e46469c5868a.tar.xz
regulator: add regulator_desc_list_voltage_linear_range
Add regulator_desc_list_voltage_linear_range which can be used by drivers for getting the voltages before regulator is registered. This may be useful for drivers which need to fetch the voltage selectors at device-tree parsing callback. Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com> Acked-by: Mark Brown <broonie@kernel.org> Tested-by: Angus Ainslie <angus@akkea.ca> Reviewed-by: Angus Ainslie <angus@akkea.ca> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/linux/regulator')
-rw-r--r--include/linux/regulator/driver.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 7f8345bff4e1..05efe2b057c1 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -539,4 +539,10 @@ void *regulator_get_init_drvdata(struct regulator_init_data *reg_init_data);
void regulator_lock(struct regulator_dev *rdev);
void regulator_unlock(struct regulator_dev *rdev);
+/*
+ * Helper functions intended to be used by regulator drivers prior registering
+ * their regulators.
+ */
+int regulator_desc_list_voltage_linear_range(const struct regulator_desc *desc,
+ unsigned int selector);
#endif