From 7a54560f9e68174afc12c3b49cb0b75624d3090c Mon Sep 17 00:00:00 2001
From: w20740 <w20740@motorola.com>
Date: Mon, 13 Jan 2014 19:04:58 -0600
Subject: IKXCLOCK-79 Enable regulator when C55 initialized and enable
 loadswitch when LDO9 is turned on Author: Jee Su Chang - w20740

Change-Id: I5376c4da70385fccf9cc576df66775f7d25a0ec0
Reviewed-on: http://gerrit.pcs.mot.com/603308
SLTApproved: Slta Waiver <sltawvr@motorola.com>
Tested-by: Jira Key <jirakey@motorola.com>
Reviewed-by: Douglas Zobel <dzobel1@motorola.com>
Reviewed-by: Viditha Hanumanthareddy <ngjq36@motorola.com>
Submit-Approved: Jira Key <jirakey@motorola.com>
---
 drivers/misc/c55_ctrl.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'drivers/misc/c55_ctrl.c')

diff --git a/drivers/misc/c55_ctrl.c b/drivers/misc/c55_ctrl.c
index 04f29d3ff9a..3c116987e3d 100644
--- a/drivers/misc/c55_ctrl.c
+++ b/drivers/misc/c55_ctrl.c
@@ -17,6 +17,7 @@
 #include <linux/irq.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
 #include <linux/slab.h>
 #include <linux/wakelock.h>
 #include <linux/of.h>
@@ -26,6 +27,7 @@
 struct c55_ctrl_data {
 	int int_gpio;
 	struct wake_lock wake_lock;
+	struct regulator *reg;
 };
 
 #define NUM_GPIOS 3
@@ -138,6 +140,17 @@ static int  c55_ctrl_probe(struct platform_device *pdev)
 		return ret;
 	}
 
+	cdata->reg = regulator_get(&pdev->dev, "c55-ctrl");
+	if (IS_ERR(cdata->reg)) {
+		return PTR_ERR(cdata->reg);
+	}
+	ret = regulator_enable(cdata->reg);
+	if (ret) {
+		dev_err(&pdev->dev, "%s: c55_ctrl regulator_enable failed.\n", __func__);
+		regulator_put(cdata->reg);
+		return ret;
+	}
+
 	wake_lock_init(&cdata->wake_lock, WAKE_LOCK_SUSPEND, "c55_ctrl");
 
 	platform_set_drvdata(pdev, cdata);
@@ -146,6 +159,9 @@ static int  c55_ctrl_probe(struct platform_device *pdev)
 
 static int  c55_ctrl_remove(struct platform_device *pdev)
 {
+	struct c55_ctrl_data *cdata = platform_get_drvdata(pdev);
+
+	regulator_put(cdata->reg);
 	return 0;
 }
 
-- 
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