linux-kernel - [PATCH] regulator: fan53555: fill set_suspend

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Message-Id: <1452596756-16617-1-git-send-email-zhangqing@rock-chips.com>
Date:	Tue, 12 Jan 2016 03:05:56 -0800
From:	zhangqing <zhangqing@...k-chips.com>
To:	heiko@...ech.de
Cc:	lgirdwood@...il.com, broonie@...nel.org, huangtao@...k-chips.com,
	zyw@...k-chips.com, linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org, zhangqing <zhangqing@...k-chips.com>
Subject: [PATCH] regulator: fan53555: fill set_suspend_enable/disable callback

Setting the set_suspend_enable/disable callback to support
enable and disable the dcdc when system is suspend.

Signed-off-by: zhangqing <zhangqing@...k-chips.com>
---
 drivers/regulator/fan53555.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/drivers/regulator/fan53555.c b/drivers/regulator/fan53555.c
index 4940e82..2cb5cc3 100644
--- a/drivers/regulator/fan53555.c
+++ b/drivers/regulator/fan53555.c
@@ -114,6 +114,22 @@ static int fan53555_set_suspend_voltage(struct regulator_dev *rdev, int uV)
 	return 0;
 }
 
+static int fan53555_set_suspend_enable(struct regulator_dev *rdev)
+{
+	struct fan53555_device_info *di = rdev_get_drvdata(rdev);
+
+	return regmap_update_bits(di->regmap, di->sleep_reg,
+				  VSEL_BUCK_EN, VSEL_BUCK_EN);
+}
+
+static int fan53555_set_suspend_disable(struct regulator_dev *rdev)
+{
+	struct fan53555_device_info *di = rdev_get_drvdata(rdev);
+
+	return regmap_update_bits(di->regmap, di->sleep_reg,
+				  VSEL_BUCK_EN, 0);
+}
+
 static int fan53555_set_mode(struct regulator_dev *rdev, unsigned int mode)
 {
 	struct fan53555_device_info *di = rdev_get_drvdata(rdev);
@@ -192,6 +208,8 @@ static struct regulator_ops fan53555_regulator_ops = {
 	.set_mode = fan53555_set_mode,
 	.get_mode = fan53555_get_mode,
 	.set_ramp_delay = fan53555_set_ramp,
+	.set_suspend_enable = fan53555_set_suspend_enable,
+	.set_suspend_disable = fan53555_set_suspend_disable,
 };
 
 static int fan53555_voltages_setup_fairchild(struct fan53555_device_info *di)
-- 
1.9.1