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Message-Id: <1352879249-6074-1-git-send-email-broonie@opensource.wolfsonmicro.com>
Date: Wed, 14 Nov 2012 16:47:29 +0900
From: Mark Brown <broonie@...nsource.wolfsonmicro.com>
To: Liam Girdwood <lrg@...com>
Cc: linux-kernel@...r.kernel.org,
Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH] regulator: core: Add regulator_is_supported_voltage_tol()
If consumers wish to set voltages based on a tolerance it stands to reason
that they will also want to query for support in the same manner.
Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
---
include/linux/regulator/consumer.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h
index 07838c9..528e32a 100644
--- a/include/linux/regulator/consumer.h
+++ b/include/linux/regulator/consumer.h
@@ -367,4 +367,12 @@ static inline int regulator_set_voltage_tol(struct regulator *regulator,
new_uV - tol_uV, new_uV + tol_uV);
}
+static inline int regulator_is_supported_voltage_tol(struct regulator *regulator,
+ int target_uV, int tol_uV)
+{
+ return regulator_is_supported_voltage(regulator,
+ target_uV - tol_uV,
+ target_uV + tol_uV);
+}
+
#endif
--
1.7.10.4
--
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