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regulator: max1586: Convert max1586_v3_ops to set_voltage_sel and map_voltage_linear 

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Axel Lin 2012-06-08 08:26:44 +08:00 committed by Mark Brown
parent 93f5de5c58
commit 9b558950bb
1 changed files with 6 additions and 16 deletions
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22
drivers/regulator/max1586.c
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@ -63,28 +63,17 @@ static int v6_voltages_uv[] = { 1, 1800000, 2500000, 3000000 };
* R24 and R25=100kOhm as described in the data sheet. * R24 and R25=100kOhm as described in the data sheet.
* The gain is approximately: 1 + R24/R25 + R24/185.5kOhm * The gain is approximately: 1 + R24/R25 + R24/185.5kOhm
*/ */
static int max1586_v3_set(struct regulator_dev *rdev, int min_uV, int max_uV, static int max1586_v3_set_voltage_sel(struct regulator_dev *rdev,
unsigned *selector) unsigned selector)
{ {
struct max1586_data *max1586 = rdev_get_drvdata(rdev); struct max1586_data *max1586 = rdev_get_drvdata(rdev);
struct i2c_client *client = max1586->client; struct i2c_client *client = max1586->client;
unsigned range_uV = max1586->max_uV - max1586->min_uV;
u8 v3_prog; u8 v3_prog;
if (min_uV > max1586->max_uV || max_uV < max1586->min_uV)
return -EINVAL;
if (min_uV < max1586->min_uV)
min_uV = max1586->min_uV;
*selector = DIV_ROUND_UP((min_uV - max1586->min_uV) *
MAX1586_V3_MAX_VSEL, range_uV);
if (regulator_list_voltage_linear(rdev, *selector) > max_uV)
return -EINVAL;
dev_dbg(&client->dev, "changing voltage v3 to %dmv\n", dev_dbg(&client->dev, "changing voltage v3 to %dmv\n",
regulator_list_voltage_linear(rdev, *selector) / 1000); regulator_list_voltage_linear(rdev, selector) / 1000);
v3_prog = I2C_V3_SELECT | (u8) *selector; v3_prog = I2C_V3_SELECT | (u8) selector;
return i2c_smbus_write_byte(client, v3_prog); return i2c_smbus_write_byte(client, v3_prog);
} }
@ -106,8 +95,9 @@ static int max1586_v6_set_voltage_sel(struct regulator_dev *rdev,
* the set up value. * the set up value.
*/ */
static struct regulator_ops max1586_v3_ops = { static struct regulator_ops max1586_v3_ops = {
.set_voltage = max1586_v3_set, .set_voltage_sel = max1586_v3_set_voltage_sel,
.list_voltage = regulator_list_voltage_linear, .list_voltage = regulator_list_voltage_linear,
.map_voltage = regulator_map_voltage_linear,
}; };
static struct regulator_ops max1586_v6_ops = { static struct regulator_ops max1586_v6_ops = {