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regulator: Use array to store dcdc_range settings for tps65912 

Then we can use the regulator id as array index to access the array.
This change makes the code simpler.

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 2012-03-09 07:05:41 +08:00 committed by Mark Brown
parent 5b5e977ce7
commit 85c5d86d0e
1 changed files with 20 additions and 50 deletions
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70
drivers/regulator/tps65912-regulator.c
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@ -114,10 +114,7 @@ struct tps65912_reg {
struct mutex io_lock;
int mode;
int (*get_ctrl_reg)(int);
int dcdc1_range;
int dcdc2_range;
int dcdc3_range;
int dcdc4_range;
int dcdc_range[TPS65912_NUM_DCDC];
int pwm_mode_reg;
int eco_reg;
};
@ -125,46 +122,31 @@ struct tps65912_reg {
static int tps65912_get_range(struct tps65912_reg *pmic, int id)
{
struct tps65912 *mfd = pmic->mfd;
if (id > TPS65912_REG_DCDC4)
return 0;
int range;
switch (id) {
case TPS65912_REG_DCDC1:
pmic->dcdc1_range = tps65912_reg_read(mfd,
TPS65912_DCDC1_LIMIT);
if (pmic->dcdc1_range < 0)
return pmic->dcdc1_range;
pmic->dcdc1_range = (pmic->dcdc1_range &
DCDC_LIMIT_RANGE_MASK) >> DCDC_LIMIT_RANGE_SHIFT;
return pmic->dcdc1_range;
range = tps65912_reg_read(mfd, TPS65912_DCDC1_LIMIT);
break;
case TPS65912_REG_DCDC2:
pmic->dcdc2_range = tps65912_reg_read(mfd,
TPS65912_DCDC2_LIMIT);
if (pmic->dcdc2_range < 0)
return pmic->dcdc2_range;
pmic->dcdc2_range = (pmic->dcdc2_range &
DCDC_LIMIT_RANGE_MASK) >> DCDC_LIMIT_RANGE_SHIFT;
return pmic->dcdc2_range;
range = tps65912_reg_read(mfd, TPS65912_DCDC2_LIMIT);
break;
case TPS65912_REG_DCDC3:
pmic->dcdc3_range = tps65912_reg_read(mfd,
TPS65912_DCDC3_LIMIT);
if (pmic->dcdc3_range < 0)
return pmic->dcdc3_range;
pmic->dcdc3_range = (pmic->dcdc3_range &
DCDC_LIMIT_RANGE_MASK) >> DCDC_LIMIT_RANGE_SHIFT;
return pmic->dcdc3_range;
range = tps65912_reg_read(mfd, TPS65912_DCDC3_LIMIT);
break;
case TPS65912_REG_DCDC4:
pmic->dcdc4_range = tps65912_reg_read(mfd,
TPS65912_DCDC4_LIMIT);
if (pmic->dcdc4_range < 0)
return pmic->dcdc4_range;
pmic->dcdc4_range = (pmic->dcdc4_range &
DCDC_LIMIT_RANGE_MASK) >> DCDC_LIMIT_RANGE_SHIFT;
return pmic->dcdc4_range;
range = tps65912_reg_read(mfd, TPS65912_DCDC4_LIMIT);
break;
default:
return 0;
}
if (range >= 0)
range = (range & DCDC_LIMIT_RANGE_MASK)
>> DCDC_LIMIT_RANGE_SHIFT;
pmic->dcdc_range[id] = range;
return range;
}
static unsigned long tps65912_vsel_to_uv_range0(u8 vsel)
@ -512,22 +494,10 @@ static int tps65912_list_voltage_dcdc(struct regulator_dev *dev,
struct tps65912_reg *pmic = rdev_get_drvdata(dev);
int range, voltage = 0, id = rdev_get_id(dev);
switch (id) {
case TPS65912_REG_DCDC1:
range = pmic->dcdc1_range;
break;
case TPS65912_REG_DCDC2:
range = pmic->dcdc2_range;
break;
case TPS65912_REG_DCDC3:
range = pmic->dcdc3_range;
break;
case TPS65912_REG_DCDC4:
range = pmic->dcdc4_range;
break;
default:
if (id > TPS65912_REG_DCDC4)
return -EINVAL;
}
range = pmic->dcdc_range[id];
switch (range) {
case 0: