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 <[email protected]> --- drivers/mfd/Kconfig | 1 + drivers/mfd/sec-core.c | 10 ++++++++++ 2 files changed, 11 insertions(+) diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index af0e83f..b5898dc 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -586,6 +586,7 @@ config MFD_SEC_CORE select MFD_CORE select REGMAP_I2C select REGMAP_IRQ + select REGULATOR help Support for the Samsung Electronics MFD series. This driver provides common support for accessing the device, diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c index 2621328..fb8ba64 100644 --- a/drivers/mfd/sec-core.c +++ b/drivers/mfd/sec-core.c @@ -31,6 +31,7 @@ #include <linux/mfd/samsung/s2mpu02.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[] = { @@ -430,6 +431,15 @@ 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; + default: + break; + } + return 0; } -- 1.8.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
