linux-kernel - [PATCH] regulator: core: Use map_voltage_linear() if list_voltage

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Date:	Mon, 04 Jun 2012 09:41:38 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Liam Girdwood <lrg@...com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH] regulator: core: Use map_voltage_linear() if
 list_voltage_linear() is in use and nothing is set

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 drivers/regulator/core.c |   14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 8521e0d..3cbe312 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -2118,12 +2118,18 @@ static int _regulator_do_set_voltage(struct regulator_dev *rdev,
 		ret = rdev->desc->ops->set_voltage(rdev, min_uV, max_uV,
 						   &selector);
 	} else if (rdev->desc->ops->set_voltage_sel) {
-		if (rdev->desc->ops->map_voltage)
+		if (rdev->desc->ops->map_voltage) {
 			ret = rdev->desc->ops->map_voltage(rdev, min_uV,
 							   max_uV);
-		else
-			ret = regulator_map_voltage_iterate(rdev, min_uV,
-							    max_uV);
+		} else {
+			if (rdev->desc->ops->list_voltage ==
+			    regulator_list_voltage_linear)
+				ret = regulator_map_voltage_linear(rdev,
+								min_uV, max_uV);
+			else
+				ret = regulator_map_voltage_iterate(rdev,
+								min_uV, max_uV);
+		}
 
 		if (ret >= 0) {
 			selector = ret;
-- 
1.7.9.5



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