[PATCH 2/2] regulator: max8997: Convert max8997_safeout_ops to set_voltage_sel and list_voltage_table

Axel Lin
2012-12-26T08:30:54Z

Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
drivers/regulator/max8997.c | 76 ++++++++++---------------------------------
1 file changed, 18 insertions(+), 58 deletions(-)

diff --git a/drivers/regulator/max8997.c b/drivers/regulator/max8997.c
index 57e8907..c30424a 100644
--- a/drivers/regulator/max8997.c
+++ b/drivers/regulator/max8997.c
@@ -54,6 +54,13 @@ struct max8997_data {
u8 saved_states[MAX8997_REG_MAX];
};

+static const unsigned int safeoutvolt[] = {
+ 4850000,
+ 4900000,
+ 4950000,
+ 3300000,
+};
+
static inline void max8997_set_gpio(struct max8997_data *max8997)
{
int set3 = (max8997->buck125_gpioindex) & 0x1;
@@ -130,29 +137,6 @@ static const struct voltage_map_desc *reg_voltage_map[] = {
[MAX8997_CHARGER_TOPOFF] = &topoff_current_map_desc,
};

-static int max8997_list_voltage_safeout(struct regulator_dev *rdev,
- unsigned int selector)
-{
- int rid = rdev_get_id(rdev);
-
- if (rid == MAX8997_ESAFEOUT1 || rid == MAX8997_ESAFEOUT2) {
- switch (selector) {
- case 0:
- return 4850000;
- case 1:
- return 4900000;
- case 2:
- return 4950000;
- case 3:
- return 3300000;
- default:
- return -EINVAL;
- }
- }
-
- return -EINVAL;
-}
-
static int max8997_list_voltage_charger_cv(struct regulator_dev *rdev,
unsigned int selector)
{
@@ -722,49 +706,23 @@ out:
return 0;
}

-static const int safeoutvolt[] = {
- 3300000,
- 4850000,
- 4900000,
- 4950000,
-};
-
/* For SAFEOUT1 and SAFEOUT2 */
-static int max8997_set_voltage_safeout(struct regulator_dev *rdev,
- int min_uV, int max_uV, unsigned *selector)
+static int max8997_set_voltage_safeout_sel(struct regulator_dev *rdev,
+ unsigned selector)
{
struct max8997_data *max8997 = rdev_get_drvdata(rdev);
struct i2c_client *i2c = max8997->iodev->i2c;
int rid = rdev_get_id(rdev);
int reg, shift = 0, mask, ret;
- int i = 0;
- u8 val;

if (rid != MAX8997_ESAFEOUT1 && rid != MAX8997_ESAFEOUT2)
return -EINVAL;

- for (i = 0; i < ARRAY_SIZE(safeoutvolt); i++) {
- if (min_uV <= safeoutvolt[i] &&
- max_uV >= safeoutvolt[i])
- break;
- }
-
- if (i >= ARRAY_SIZE(safeoutvolt))
- return -EINVAL;
-
- if (i == 0)
- val = 0x3;
- else
- val = i - 1;
-
ret = max8997_get_voltage_register(rdev, &reg, &shift, &mask);
if (ret)
return ret;

- ret = max8997_update_reg(i2c, reg, val << shift, mask << shift);
- *selector = val;
-
- return ret;
+ return max8997_update_reg(i2c, reg, selector << shift, mask << shift);
}

static int max8997_reg_disable_suspend(struct regulator_dev *rdev)
@@ -824,12 +782,12 @@ static struct regulator_ops max8997_fixedvolt_ops = {
};

static struct regulator_ops max8997_safeout_ops = {
- .list_voltage = max8997_list_voltage_safeout,
+ .list_voltage = regulator_list_voltage_table,
.is_enabled = max8997_reg_is_enabled,
.enable = max8997_reg_enable,
.disable = max8997_reg_disable,
.get_voltage_sel = max8997_get_voltage_sel,
- .set_voltage = max8997_set_voltage_safeout,
+ .set_voltage_sel = max8997_set_voltage_safeout_sel,
.set_suspend_disable = max8997_reg_disable_suspend,
};

@@ -1235,13 +1193,15 @@ static int max8997_pmic_probe(struct platform_device *pdev)
int id = pdata->regulators[i].id;

desc = reg_voltage_map[id];
- if (desc)
+ if (desc) {
regulators[id].n_voltages =
(desc->max - desc->min) / desc->step + 1;
- else if (id == MAX8997_ESAFEOUT1 || id == MAX8997_ESAFEOUT2)
- regulators[id].n_voltages = 4;
- else if (id == MAX8997_CHARGER_CV)
+ } else if (id == MAX8997_ESAFEOUT1 || id == MAX8997_ESAFEOUT2) {
+ regulators[id].volt_table = safeoutvolt;
+ regulators[id].n_voltages = ARRAY_SIZE(safeoutvolt);
+ } else if (id == MAX8997_CHARGER_CV) {
regulators[id].n_voltages = 16;
+ }

config.dev = max8997->dev;
config.init_data = pdata->regulators[i].initdata;
--
1.7.9.5