dect
/
linux-2.6
Archived
13
0
Fork 0
Code Releases Activity

regulator: Replace set_voltage with set_voltage_sel 

To apply delay time for voltage change,
replace s5m8767_set_voltage with s5m8767_set_voltage_sel.

Signed-off-by: Sangbeom Kim <sbkim73@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Sangbeom Kim 2012-06-13 17:28:18 +09:00 committed by Mark Brown
parent 38c20eb23f
commit df2643cfa4
1 changed files with 14 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
drivers/regulator/s5m8767.c
View File

@ -357,32 +357,34 @@ static int s5m8767_convert_voltage_to_sel(
return selector;
}
static inline void s5m8767_set_high(struct s5m8767_info *s5m8767)
static inline int s5m8767_set_high(struct s5m8767_info *s5m8767)
{
int temp_index = s5m8767->buck_gpioindex;
gpio_set_value(s5m8767->buck_gpios[0], (temp_index >> 2) & 0x1);
gpio_set_value(s5m8767->buck_gpios[1], (temp_index >> 1) & 0x1);
gpio_set_value(s5m8767->buck_gpios[2], temp_index & 0x1);
return 0;
}
static inline void s5m8767_set_low(struct s5m8767_info *s5m8767)
static inline int s5m8767_set_low(struct s5m8767_info *s5m8767)
{
int temp_index = s5m8767->buck_gpioindex;
gpio_set_value(s5m8767->buck_gpios[2], temp_index & 0x1);
gpio_set_value(s5m8767->buck_gpios[1], (temp_index >> 1) & 0x1);
gpio_set_value(s5m8767->buck_gpios[0], (temp_index >> 2) & 0x1);
return 0;
}
static int s5m8767_set_voltage(struct regulator_dev *rdev,
int min_uV, int max_uV, unsigned *selector)
static int s5m8767_set_voltage_sel(struct regulator_dev *rdev,
unsigned selector)
{
struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
const struct s5m_voltage_desc *desc;
int reg_id = rdev_get_id(rdev);
int sel, reg, mask, ret = 0, old_index, index = 0;
u8 val;
int reg, mask, ret = 0, old_index, index = 0;
u8 *buck234_vol = NULL;
switch (reg_id) {
@ -407,15 +409,9 @@ static int s5m8767_set_voltage(struct regulator_dev *rdev,
return -EINVAL;
}
desc = reg_voltage_map[reg_id];
sel = s5m8767_convert_voltage_to_sel(desc, min_uV, max_uV);
if (sel < 0)
return sel;
/* buck234_vol != NULL means to control buck234 voltage via DVS GPIO */
if (buck234_vol) {
while (*buck234_vol != sel) {
while (*buck234_vol != selector) {
buck234_vol++;
index++;
}
@ -423,22 +419,16 @@ static int s5m8767_set_voltage(struct regulator_dev *rdev,
s5m8767->buck_gpioindex = index;
if (index > old_index)
s5m8767_set_high(s5m8767);
return s5m8767_set_high(s5m8767);
else
s5m8767_set_low(s5m8767);
return s5m8767_set_low(s5m8767);
} else {
ret = s5m8767_get_voltage_register(rdev, &reg);
if (ret)
return ret;
s5m_reg_read(s5m8767->iodev, reg, &val);
val = (val & ~mask) | sel;
ret = s5m_reg_write(s5m8767->iodev, reg, val);
return s5m_reg_update(s5m8767->iodev, reg, selector, mask);
}
*selector = sel;
return ret;
}
static int s5m8767_set_voltage_time_sel(struct regulator_dev *rdev,
@ -463,7 +453,7 @@ static struct regulator_ops s5m8767_ops = {
.enable = s5m8767_reg_enable,
.disable = s5m8767_reg_disable,
.get_voltage_sel = s5m8767_get_voltage_sel,
.set_voltage = s5m8767_set_voltage,
.set_voltage_sel = s5m8767_set_voltage_sel,
.set_voltage_time_sel = s5m8767_set_voltage_time_sel,
};