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regulator: rc5t583: Convert to regulator_list_voltage_linear() 

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Axel Lin 2012-05-14 10:54:46 +08:00 committed by Mark Brown
parent 40baecee48
commit 3209be1798
1 changed files with 9 additions and 19 deletions
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28
drivers/regulator/rc5t583-regulator.c
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@ -41,9 +41,7 @@ struct rc5t583_regulator_info {
uint8_t deepsleep_reg;
/* Chip constraints on regulator behavior */
int min_uV;
int max_uV;
int step_uV;
/* Regulator specific turn-on delay and voltage settling time*/
int enable_uv_per_us;
@ -62,24 +60,16 @@ struct rc5t583_regulator {
struct regulator_dev *rdev;
};
static int rc5t583_list_voltage(struct regulator_dev *rdev, unsigned selector)
{
struct rc5t583_regulator *reg = rdev_get_drvdata(rdev);
struct rc5t583_regulator_info *ri = reg->reg_info;
return ri->min_uV + (ri->step_uV * selector);
}
static int rc5t583_set_voltage(struct regulator_dev *rdev,
int min_uV, int max_uV, unsigned *selector)
{
struct rc5t583_regulator *reg = rdev_get_drvdata(rdev);
struct rc5t583_regulator_info *ri = reg->reg_info;
int sel, ret;
if (min_uV < ri->min_uV)
min_uV = ri->min_uV;
if (min_uV < rdev->desc->min_uV)
min_uV = rdev->desc->min_uV;
sel = DIV_ROUND_UP(min_uV - ri->min_uV, ri->step_uV);
sel = DIV_ROUND_UP(min_uV - rdev->desc->min_uV, rdev->desc->uV_step);
if (sel >= rdev->desc->n_voltages) {
dev_err(&rdev->dev, "Invalid selector 0x%02x\n", sel);
@ -100,7 +90,7 @@ static int rc5t583_regulator_enable_time(struct regulator_dev *rdev)
{
struct rc5t583_regulator *reg = rdev_get_drvdata(rdev);
int vsel = regulator_get_voltage_sel_regmap(rdev);
int curr_uV = rc5t583_list_voltage(rdev, vsel);
int curr_uV = regulator_list_voltage_linear(rdev, vsel);
return DIV_ROUND_UP(curr_uV, reg->reg_info->enable_uv_per_us);
}
@ -110,12 +100,12 @@ static int rc5t583_set_voltage_time_sel(struct regulator_dev *rdev,
{
struct rc5t583_regulator *reg = rdev_get_drvdata(rdev);
int old_uV, new_uV;
old_uV = rc5t583_list_voltage(rdev, old_selector);
old_uV = regulator_list_voltage_linear(rdev, old_selector);
if (old_uV < 0)
return old_uV;
new_uV = rc5t583_list_voltage(rdev, new_selector);
new_uV = regulator_list_voltage_linear(rdev, new_selector);
if (new_uV < 0)
return new_uV;
@ -131,7 +121,7 @@ static struct regulator_ops rc5t583_ops = {
.enable_time = rc5t583_regulator_enable_time,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage = rc5t583_set_voltage,
.list_voltage = rc5t583_list_voltage,
.list_voltage = regulator_list_voltage_linear,
.set_voltage_time_sel = rc5t583_set_voltage_time_sel,
};
@ -141,9 +131,7 @@ static struct regulator_ops rc5t583_ops = {
.reg_disc_reg = RC5T583_REG_##_disc_reg, \
.disc_bit = _disc_bit, \
.deepsleep_reg = RC5T583_REG_##_id##DAC_DS, \
.min_uV = _min_mv * 1000, \
.max_uV = _max_mv * 1000, \
.step_uV = _step_uV, \
.enable_uv_per_us = _enable_mv * 1000, \
.change_uv_per_us = 40 * 1000, \
.deepsleep_id = RC5T583_DS_##_id, \
@ -158,6 +146,8 @@ static struct regulator_ops rc5t583_ops = {
.vsel_mask = _vout_mask, \
.enable_reg = RC5T583_REG_##_en_reg, \
.enable_mask = BIT(_en_bit), \
.min_uV = _min_mv * 1000, \
.uV_step = _step_uV, \
}, \
}