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Subject[PATCH 6/7] regulator: lp872x: set_current_limit should select the maximum current in specific range
From
Date
Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
drivers/regulator/lp872x.c | 18 ++++++++----------
1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/drivers/regulator/lp872x.c b/drivers/regulator/lp872x.c
index 212c38e..6199d0f 100644
--- a/drivers/regulator/lp872x.c
+++ b/drivers/regulator/lp872x.c
@@ -374,8 +374,8 @@ static int lp8725_buck_set_current_limit(struct regulator_dev *rdev,
{
struct lp872x *lp = rdev_get_drvdata(rdev);
enum lp872x_regulator_id buck = rdev_get_id(rdev);
- int i, max = ARRAY_SIZE(lp8725_buck_uA);
- u8 addr, val;
+ int i;
+ u8 addr;

switch (buck) {
case LP8725_ID_BUCK1:
@@ -388,17 +388,15 @@ static int lp8725_buck_set_current_limit(struct regulator_dev *rdev,
return -EINVAL;
}

- for (i = 0 ; i < max ; i++)
+ for (i = ARRAY_SIZE(lp8725_buck_uA) - 1 ; i >= 0; i--) {
if (lp8725_buck_uA[i] >= min_uA &&
lp8725_buck_uA[i] <= max_uA)
- break;
-
- if (i == max)
- return -EINVAL;
-
- val = i << LP8725_BUCK_CL_S;
+ return lp872x_update_bits(lp, addr,
+ LP8725_BUCK_CL_M,
+ i << LP8725_BUCK_CL_S);
+ }

- return lp872x_update_bits(lp, addr, LP8725_BUCK_CL_M, val);
+ return -EINVAL;
}

static int lp8725_buck_get_current_limit(struct regulator_dev *rdev)
--
1.7.9.5




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