static int act8931_ldo_enable(struct regulator_dev *dev)
{
struct act8931 *act8931 = rdev_get_drvdata(dev);
int ldo = rdev_get_id(dev) - ACT8931_LDO1;
u16 mask = 0x80;
return act8931_set_bits(act8931, act8931_LDO_CONTR_REG(ldo), mask,
0x80);
}
static int act8931_ldo_set_mode(struct regulator_dev *dev, unsigned int mode)
{
struct act8931 *act8931 = rdev_get_drvdata(dev);
int ldo = rdev_get_id(dev) -ACT8931_LDO1 ;
u16 mask = 0x20;
switch(mode)
{
case REGULATOR_MODE_NORMAL:
return act8931_set_bits(act8931, act8931_LDO_CONTR_REG(ldo), mask, 0);
case REGULATOR_MODE_STANDBY:
return act8931_set_bits(act8931, act8931_LDO_CONTR_REG(ldo), mask, mask);
default:
printk("error:pmu_act8931 only lowpower and nomal mode\n");
return -EINVAL;
}
}
static unsigned int act8931_ldo_get_mode(struct regulator_dev *dev)
{
struct act8931 *act8931 = rdev_get_drvdata(dev);
int ldo = rdev_get_id(dev) -ACT8931_LDO1 ;
u16 mask = 0xcf;
u16 val;
val = act8931_reg_read(act8931, act8931_LDO_CONTR_REG(ldo));
val=val|mask;
if (val== mask)
return REGULATOR_MODE_NORMAL;
else
return REGULATOR_MODE_STANDBY;
}
static int act8931_ldo_is_enabled(struct regulator_dev *dev)
{
struct act8931 *act8931 = rdev_get_drvdata(dev);
int ldo = rdev_get_id(dev) -ACT8931_LDO1;
u16 val;
u16 mask=0x80;
val = act8931_reg_read(act8931, act8931_LDO_CONTR_REG(ldo));
if (val < 0)
return val;
val=val&~0x7f;
if (val & mask)
return 1;
else
return 0;
}
