regulator: max8649: Add support for suspend

With this change, the regulator framework can configure the regulator
for suspend if necessary.

Change-Id: Idf1fc085d7182368ae1bfdcc54cf3c8de0f93005
Signed-off-by: Greg Meiste <w30289@motorola.com>

diff --git a/drivers/regulator/max8649.c b/drivers/regulator/max8649.c
index 4520ace3f7e707f82ccbf0fb068df921dfc6c2df..9798fd709045c6cadcacc899a0082ddfdc6c656a 100644 (file)
--- a/drivers/regulator/max8649.c
+++ b/drivers/regulator/max8649.c
@@ -253,17 +253,27 @@ static unsigned int max8649_get_mode(struct regulator_dev *rdev)
        return REGULATOR_MODE_NORMAL;
 }
 
-static struct regulator_ops max8649_dcdc_ops = {
-       .set_voltage    = max8649_set_voltage,
-       .get_voltage    = max8649_get_voltage,
-       .list_voltage   = max8649_list_voltage,
-       .enable         = max8649_enable,
-       .disable        = max8649_disable,
-       .is_enabled     = max8649_is_enabled,
-       .enable_time    = max8649_enable_time,
-       .set_mode       = max8649_set_mode,
-       .get_mode       = max8649_get_mode,
+static int max8649_set_suspend_voltage(struct regulator_dev *rdev, int uV)
+{
+       struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
 
+       dev_info(info->dev, "%d uV suspend voltage\n", uV);
+       return max8649_set_voltage(rdev, uV, uV);
+}
+
+static struct regulator_ops max8649_dcdc_ops = {
+       .set_voltage            = max8649_set_voltage,
+       .get_voltage            = max8649_get_voltage,
+       .list_voltage           = max8649_list_voltage,
+       .enable                 = max8649_enable,
+       .disable                = max8649_disable,
+       .is_enabled             = max8649_is_enabled,
+       .enable_time            = max8649_enable_time,
+       .set_mode               = max8649_set_mode,
+       .get_mode               = max8649_get_mode,
+       .set_suspend_voltage    = max8649_set_suspend_voltage,
+       .set_suspend_enable     = max8649_enable,
+       .set_suspend_disable    = max8649_disable,
 };
 
 static struct regulator_desc dcdc_desc = {