diff options
| author | Chanwoo Choi <cw00.choi@samsung.com> | 2014-06-25 16:14:47 +0900 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2014-07-09 14:58:12 +0100 |
| commit | b7cde7078d2344073c310aa65fc2b0a845d2cb5b (patch) | |
| tree | cea3062fcf908fed85cf3d4aad78367567a4171e /drivers | |
| parent | b264fc7002b658aceb679449952a674ef60b4655 (diff) | |
| download | linux-b7cde7078d2344073c310aa65fc2b0a845d2cb5b.tar.bz2 | |
mfd: sec-core: Prepare regulators for suspend state to reduce power-consumption
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>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mfd/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/mfd/sec-core.c | 10 |
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index defe58d65940..b8d9ca0b68e2 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -587,6 +587,7 @@ 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 2621328851ba..fb8ba6438268 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; } |