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regulator: max1586: Convert max1586_v6_ops to regulator_list_voltage_table

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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 2012-06-04 12:56:58 +08:00 committed by Mark Brown
parent fc492f9bd1
commit 96d25221d2
1 changed files with 12 additions and 23 deletions
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35
drivers/regulator/max1586.c
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@ -47,6 +47,14 @@ struct max1586_data {
struct regulator_dev *rdev[0];
};
/*
* V6 voltage
* On I2C bus, sending a "x" byte to the max1586 means :
* set V6 to either 0V, 1.8V, 2.5V, 3V depending on (x & 0x3)
* As regulator framework doesn't accept voltages to be 0V, we use 1uV.
*/
static int v6_voltages_uv[] = { 1, 1800000, 2500000, 3000000 };
/*
* V3 voltage
* On I2C bus, sending a "x" byte to the max1586 means :
@ -97,19 +105,6 @@ static int max1586_v3_list(struct regulator_dev *rdev, unsigned selector)
return max1586_v3_calc_voltage(max1586, selector);
}
/*
* V6 voltage
* On I2C bus, sending a "x" byte to the max1586 means :
* set V6 to either 0V, 1.8V, 2.5V, 3V depending on (x & 0x3)
* As regulator framework doesn't accept voltages to be 0V, we use 1uV.
*/
static int max1586_v6_calc_voltage(unsigned selector)
{
static int voltages_uv[] = { 1, 1800000, 2500000, 3000000 };
return voltages_uv[selector];
}
static int max1586_v6_set(struct regulator_dev *rdev, int min_uV, int max_uV,
unsigned int *selector)
{
@ -130,23 +125,16 @@ static int max1586_v6_set(struct regulator_dev *rdev, int min_uV, int max_uV,
else if (min_uV >= 3000000)
*selector = 3;
if (max1586_v6_calc_voltage(*selector) > max_uV)
if (rdev->desc->volt_table[*selector] > max_uV)
return -EINVAL;
dev_dbg(&client->dev, "changing voltage v6 to %dmv\n",
max1586_v6_calc_voltage(*selector) / 1000);
rdev->desc->volt_table[*selector] / 1000);
v6_prog = I2C_V6_SELECT | (u8) *selector;
return i2c_smbus_write_byte(client, v6_prog);
}
static int max1586_v6_list(struct regulator_dev *rdev, unsigned selector)
{
if (selector > MAX1586_V6_MAX_VSEL)
return -EINVAL;
return max1586_v6_calc_voltage(selector);
}
/*
* The Maxim 1586 controls V3 and V6 voltages, but offers no way of reading back
* the set up value.
@ -158,7 +146,7 @@ static struct regulator_ops max1586_v3_ops = {
static struct regulator_ops max1586_v6_ops = {
.set_voltage = max1586_v6_set,
.list_voltage = max1586_v6_list,
.list_voltage = regulator_list_voltage_table,
};
static const struct regulator_desc max1586_reg[] = {
@ -176,6 +164,7 @@ static const struct regulator_desc max1586_reg[] = {
.ops = &max1586_v6_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = MAX1586_V6_MAX_VSEL + 1,
.volt_table = v6_voltages_uv,
.owner = THIS_MODULE,
},
};