Messages in this thread Patch in this message | | | From | Chanwoo Choi <> | Subject | [PATCH] mfd: sec-core: Prepare regulators for suspend state to reduce power-consumption | Date | Mon, 09 Jun 2014 20:05:30 +0900 |
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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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