linux-kernel - [PATCH 3/3] regulator: gpio-regulator: populate selector from set

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Date:	Sun, 3 Jun 2012 21:32:05 +0200
From:	Heiko Stübner <heiko@...ech.de>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	Liam Girdwood <lrg@...com>, LKML <linux-kernel@...r.kernel.org>,
	Axel Lin <axel.lin@...il.com>
Subject: [PATCH 3/3] regulator: gpio-regulator: populate selector from set_voltage

This was missing until now and the underlying
_regulator_do_set_voltage is using this value when calling list_voltage.

Signed-off-by: Heiko Stuebner <heiko@...ech.de>
---
 drivers/regulator/gpio-regulator.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c
index 2c38bea..242851a 100644
--- a/drivers/regulator/gpio-regulator.c
+++ b/drivers/regulator/gpio-regulator.c
@@ -101,7 +101,7 @@ static int gpio_regulator_get_value(struct regulator_dev *dev)
 }
 
 static int gpio_regulator_set_value(struct regulator_dev *dev,
-					int min, int max)
+					int min, int max, unsigned *selector)
 {
 	struct gpio_regulator_data *data = rdev_get_drvdata(dev);
 	int ptr, target = 0, state, best_val = INT_MAX;
@@ -112,6 +112,8 @@ static int gpio_regulator_set_value(struct regulator_dev *dev,
 		    data->states[ptr].value <= max) {
 			target = data->states[ptr].gpios;
 			best_val = data->states[ptr].value;
+			if (selector)
+				*selector = ptr;
 		}
 
 	if (best_val == INT_MAX)
@@ -130,7 +132,7 @@ static int gpio_regulator_set_voltage(struct regulator_dev *dev,
 					int min_uV, int max_uV,
 					unsigned *selector)
 {
-	return gpio_regulator_set_value(dev, min_uV, max_uV);
+	return gpio_regulator_set_value(dev, min_uV, max_uV, selector);
 }
 
 static int gpio_regulator_list_voltage(struct regulator_dev *dev,
@@ -147,7 +149,7 @@ static int gpio_regulator_list_voltage(struct regulator_dev *dev,
 static int gpio_regulator_set_current_limit(struct regulator_dev *dev,
 					int min_uA, int max_uA)
 {
-	return gpio_regulator_set_value(dev, min_uA, max_uA);
+	return gpio_regulator_set_value(dev, min_uA, max_uA, NULL);
 }
 
 static struct regulator_ops gpio_regulator_voltage_ops = {
-- 
1.7.2.3

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