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regulator: Convert 88pm8607 to set_voltage_sel

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Signed-off-by: Axel Lin <axel.lin@gmail.com>
Tested-by: Jett Zhou <jtzhou@marvell.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Axel Lin 2012-03-28 15:00:36 +08:00 committed by Mark Brown
parent 53b6949ef3
commit 4ca1e1d9e1
1 changed files with 4 additions and 39 deletions
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43
drivers/regulator/88pm8607.c
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@ -223,51 +223,16 @@ static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
return ret;
}
static int choose_voltage(struct regulator_dev *rdev, int min_uV, int max_uV)
{
struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
int i, ret = -ENOENT;
if (info->slope_double) {
min_uV = min_uV >> 1;
max_uV = max_uV >> 1;
}
if (info->vol_table) {
for (i = 0; i < rdev->desc->n_voltages; i++) {
if (!info->vol_table[i])
break;
if ((min_uV <= info->vol_table[i])
&& (max_uV >= info->vol_table[i])) {
ret = i;
break;
}
}
}
if (ret < 0)
pr_err("invalid voltage range (%d %d) uV\n", min_uV, max_uV);
return ret;
}
static int pm8607_set_voltage(struct regulator_dev *rdev,
int min_uV, int max_uV, unsigned *selector)
static int pm8607_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
{
struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
uint8_t val, mask;
int ret;
if (min_uV > max_uV) {
pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV);
return -EINVAL;
}
ret = choose_voltage(rdev, min_uV, max_uV);
if (ret < 0)
return -EINVAL;
*selector = ret;
val = (uint8_t)(ret << info->vol_shift);
val = (uint8_t)(selector << info->vol_shift);
mask = (rdev->desc->n_voltages - 1) << info->vol_shift;
ret = pm860x_set_bits(info->i2c, info->vol_reg, mask, val);
ret = pm860x_set_bits(info->i2c, info->vol_reg, mask, selector);
if (ret)
return ret;
switch (info->desc.id) {
@ -328,7 +293,7 @@ static int pm8607_is_enabled(struct regulator_dev *rdev)
static struct regulator_ops pm8607_regulator_ops = {
.list_voltage = pm8607_list_voltage,
.set_voltage = pm8607_set_voltage,
.set_voltage_sel = pm8607_set_voltage_sel,
.get_voltage = pm8607_get_voltage,
.enable = pm8607_enable,
.disable = pm8607_disable,