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Subject[PATCH] mfd: sec-core: Prepare regulators for suspend state to reduce power-consumption
Date
This patch use regulator_suspend_prepare() function to prepare the proper state
of regulators for suspend state to remove un-necessary leakage power-consumption.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
---
This patch has a dependency on following patchset[1].
- [1] https://lkml.org/lkml/2014/6/9/255
[PATCHv4 0/3] mfd: sec-core: Add support S2MPU02 PMIC device

drivers/mfd/sec-core.c | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c
index 5e8784b..e3413d5 100644
--- a/drivers/mfd/sec-core.c
+++ b/drivers/mfd/sec-core.c
@@ -30,6 +30,7 @@
#include <linux/mfd/samsung/s2mps14.h>
#include <linux/mfd/samsung/s5m8763.h>
#include <linux/mfd/samsung/s5m8767.h>
+#include <linux/regulator/machine.h>
#include <linux/regmap.h>

static const struct mfd_cell s5m8751_devs[] = {
@@ -406,6 +407,13 @@ static int sec_pmic_suspend(struct device *dev)
*/
disable_irq(sec_pmic->irq);

+ switch (sec_pmic->device_type) {
+ case S2MPS14X:
+ case S2MPU02:
+ regulator_suspend_prepare(PM_SUSPEND_MEM);
+ break;
+ };
+
return 0;
}

--
1.8.0


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