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regulator: da9063: Optimize da9063_set_current_limit implementation

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All the current limit tables have the values in ascend order.
So we can slightly optimize the for loop iteration because the first match
is the minimal value.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Axel Lin 2013-08-30 20:07:38 +08:00 committed by Mark Brown
parent 69ca3e58d1
commit 556dcf903d
1 changed files with 4 additions and 11 deletions
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15
drivers/regulator/da9063-regulator.c
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@ -166,22 +166,15 @@ static int da9063_set_current_limit(struct regulator_dev *rdev,
{
struct da9063_regulator *regl = rdev_get_drvdata(rdev);
const struct da9063_regulator_info *rinfo = regl->info;
int val = INT_MAX;
unsigned sel = 0;
int n;
int tval;
int n, tval;
for (n = 0; n < rinfo->n_current_limits; n++) {
tval = rinfo->current_limits[n];
if (tval >= min_uA && tval <= max_uA && val > tval) {
val = tval;
sel = n;
}
if (tval >= min_uA && tval <= max_uA)
return regmap_field_write(regl->ilimit, n);
}
if (val == INT_MAX)
return -EINVAL;
return regmap_field_write(regl->ilimit, sel);
return -EINVAL;
}
static int da9063_get_current_limit(struct regulator_dev *rdev)