Signed-off-by: Hauke Mehrtens <[email protected]>
---
 backport/backport-include/linux/regulator/driver.h |   11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/backport/backport-include/linux/regulator/driver.h 
b/backport/backport-include/linux/regulator/driver.h
index e1604bf..532eba0 100644
--- a/backport/backport-include/linux/regulator/driver.h
+++ b/backport/backport-include/linux/regulator/driver.h
@@ -35,4 +35,15 @@ void devm_regulator_unregister(struct device *dev, struct 
regulator_dev *rdev);
 #endif /* (LINUX_VERSION_CODE < KERNEL_VERSION(3,13,0)) &&
          (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)) */
 
+#ifndef REGULATOR_LINEAR_RANGE
+/* Initialize struct regulator_linear_range */
+#define REGULATOR_LINEAR_RANGE(_min_uV, _min_sel, _max_sel, _step_uV)  \
+{                                                                      \
+       .min_uV         = _min_uV,                                      \
+       .min_sel        = _min_sel,                                     \
+       .max_sel        = _max_sel,                                     \
+       .uV_step        = _step_uV,                                     \
+}
+#endif
+
 #endif /* __BACKPORT_LINUX_REGULATOR_DRIVER_H_ */
-- 
1.7.10.4

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