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authorAxel Lin <axel.lin@gmail.com>2012-03-28 15:00:36 +0800
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-04-01 11:59:39 +0100
commit4ca1e1d9e15b99529e55860677fe39b791b88920 (patch)
treebedfef763eca66559a92136ba419c10993ded1ba /drivers/regulator/88pm8607.c
parent53b6949ef3291778aa9f921985206fbfd95449d7 (diff)
downloadlinux-4ca1e1d9e15b99529e55860677fe39b791b88920.tar.bz2
regulator: Convert 88pm8607 to set_voltage_sel
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>
Diffstat (limited to 'drivers/regulator/88pm8607.c')
-rw-r--r--drivers/regulator/88pm8607.c43
1 files changed, 4 insertions, 39 deletions
diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c
index 81b665909171..7fafff23ec43 100644
--- a/drivers/regulator/88pm8607.c
+++ b/drivers/regulator/88pm8607.c
@@ -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,