linux-kernel - [PATCH RFT 3/3] regulator: wm831x-ldo: Add dummy set_suspend_[enable|disable] callbacks implementation

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Date:	Fri, 13 Apr 2012 12:43:52 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Liam Girdwood <lrg@...com>
Subject: [PATCH RFT 3/3] regulator: wm831x-ldo: Add dummy
 set_suspend_[enable|disable] callbacks implementation

Without the implementation of set_suspend_enable and set_suspend_disable callbacks,
the regulator core won't call set_suspend_voltage.

Thus add dummy implementation for set_suspend_[enable|disable] callbacks.

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 drivers/regulator/wm831x-ldo.c |   16 +++++++++++++++-
 1 files changed, 15 insertions(+), 1 deletions(-)

diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c
index 5f01040..f777f9b 100644
--- a/drivers/regulator/wm831x-ldo.c
+++ b/drivers/regulator/wm831x-ldo.c
@@ -291,11 +291,21 @@ static unsigned int wm831x_gp_ldo_get_optimum_mode(struct regulator_dev *rdev,
 }
 
 
+/* Dummy set_suspend_enable/set_suspend_disable callbacks implementation */
+static int wm831x_gp_ldo_set_suspend_enable(struct regulator_dev *rdev)
+{
+	return 0;
+}
+
+static int wm831x_gp_ldo_set_suspend_disable(struct regulator_dev *rdev)
+{
+	return 0;
+}
+
 static struct regulator_ops wm831x_gp_ldo_ops = {
 	.list_voltage = wm831x_gp_ldo_list_voltage,
 	.get_voltage_sel = wm831x_gp_ldo_get_voltage_sel,
 	.set_voltage = wm831x_gp_ldo_set_voltage,
-	.set_suspend_voltage = wm831x_gp_ldo_set_suspend_voltage,
 	.get_mode = wm831x_gp_ldo_get_mode,
 	.set_mode = wm831x_gp_ldo_set_mode,
 	.get_status = wm831x_gp_ldo_get_status,
@@ -304,6 +314,10 @@ static struct regulator_ops wm831x_gp_ldo_ops = {
 	.is_enabled = wm831x_ldo_is_enabled,
 	.enable = wm831x_ldo_enable,
 	.disable = wm831x_ldo_disable,
+
+	.set_suspend_enable = wm831x_gp_ldo_set_suspend_enable,
+	.set_suspend_disable = wm831x_gp_ldo_set_suspend_disable,
+	.set_suspend_voltage = wm831x_gp_ldo_set_suspend_voltage,
 };
 
 static __devinit int wm831x_gp_ldo_probe(struct platform_device *pdev)
-- 
1.7.5.4



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